OPA2228

ACTIVE

Dual, wide bandwidth, high precision, low noise operational amplifiers

Product details

Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Vos (offset voltage at 25°C) (max) (mV) 0.075 GBW (typ) (MHz) 33 Features Decompensated Slew rate (typ) (V/µs) 11 Rail-to-rail No Offset drift (typ) (µV/°C) 0.1 Iq per channel (typ) (mA) 3.7 Vn at 1 kHz (typ) (nV√Hz) 3 CMRR (typ) (dB) 138 Rating Catalog Operating temperature range (°C) -40 to 85 Input bias current (max) (pA) 10000 Iout (typ) (A) 0.045 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 2 Input common mode headroom (to positive supply) (typ) (V) -2 Output swing headroom (to negative supply) (typ) (V) 2 Output swing headroom (to positive supply) (typ) (V) -2 THD + N at 1 kHz (typ) (%) 0.00005
Number of channels 2 Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V) 36 Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V) 5 Vos (offset voltage at 25°C) (max) (mV) 0.075 GBW (typ) (MHz) 33 Features Decompensated Slew rate (typ) (V/µs) 11 Rail-to-rail No Offset drift (typ) (µV/°C) 0.1 Iq per channel (typ) (mA) 3.7 Vn at 1 kHz (typ) (nV√Hz) 3 CMRR (typ) (dB) 138 Rating Catalog Operating temperature range (°C) -40 to 85 Input bias current (max) (pA) 10000 Iout (typ) (A) 0.045 Architecture Bipolar Input common mode headroom (to negative supply) (typ) (V) 2 Input common mode headroom (to positive supply) (typ) (V) -2 Output swing headroom (to negative supply) (typ) (V) 2 Output swing headroom (to positive supply) (typ) (V) -2 THD + N at 1 kHz (typ) (%) 0.00005
PDIP (P) 8 92.5083 mm² 9.81 x 9.43 SOIC (D) 8 29.4 mm² 4.9 x 6
  • Low noise: 3 nV/√Hz
  • Wide bandwidth:
    • OPA227: 8 MHz, 2.3 V/µs
    • OPA228: 33 MHz, 10 V/µs
  • Settling time: 5 µs
  • High CMRR: 138 dB
  • High open-loop gain: 160 dB
  • Low input bias current: 10 nA maximum
  • Low offset voltage: 75 µV maximum
  • Wide supply range: ±2.5 V to ±18 V
  • Single, dual, and quad versions
  • Low noise: 3 nV/√Hz
  • Wide bandwidth:
    • OPA227: 8 MHz, 2.3 V/µs
    • OPA228: 33 MHz, 10 V/µs
  • Settling time: 5 µs
  • High CMRR: 138 dB
  • High open-loop gain: 160 dB
  • Low input bias current: 10 nA maximum
  • Low offset voltage: 75 µV maximum
  • Wide supply range: ±2.5 V to ±18 V
  • Single, dual, and quad versions

The OPAx227 and OPAx228 series operational amplifiers combine low noise and wide bandwidth with high precision to make them an excellent choice for applications requiring both ac and precision dc performance.

The OPAx227 are unity-gain stable and features high slew rate (2.3 V/µs) and wide bandwidth (8 MHz). The OPAx228 are optimized for closed-loop gains of 5 or greater, and offers higher speed with a slew rate of 10 V/µs and a bandwidth of 33 MHz.

The OPAx227 and OPAx228 series operational amplifiers are an excellent choice for professional audio equipment. In addition, low quiescent current and low cost make these op amps an excellent choice for portable applications requiring high precision.

The OPAx227 and OPAx228 series operational amplifiers are pin-for-pin replacements for the industry-standard OP27 and OP37 with substantial improvements across the board. The dual and quad versions are available for space savings and per-channel cost reduction.

The OPAx227 and OPAx228, are available in DIP-8 and SO-8 packages. The OPA4227 and OPA4228 are available in DIP-14 and SO-14 packages with standard pin configurations. Operation is specified from –40°C to +85°C.

The OPAx227 and OPAx228 series operational amplifiers combine low noise and wide bandwidth with high precision to make them an excellent choice for applications requiring both ac and precision dc performance.

The OPAx227 are unity-gain stable and features high slew rate (2.3 V/µs) and wide bandwidth (8 MHz). The OPAx228 are optimized for closed-loop gains of 5 or greater, and offers higher speed with a slew rate of 10 V/µs and a bandwidth of 33 MHz.

The OPAx227 and OPAx228 series operational amplifiers are an excellent choice for professional audio equipment. In addition, low quiescent current and low cost make these op amps an excellent choice for portable applications requiring high precision.

The OPAx227 and OPAx228 series operational amplifiers are pin-for-pin replacements for the industry-standard OP27 and OP37 with substantial improvements across the board. The dual and quad versions are available for space savings and per-channel cost reduction.

The OPAx227 and OPAx228, are available in DIP-8 and SO-8 packages. The OPA4227 and OPA4228 are available in DIP-14 and SO-14 packages with standard pin configurations. Operation is specified from –40°C to +85°C.

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Technical documentation

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Type Title Date
* Data sheet OPAx227, OPAx228 High-Precision, Low-Noise Operational Amplifiers datasheet (Rev. C) PDF | HTML 13 Mar 2023
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Application note OPA227, OPA2227, OPA4227, OPA228, OPA2228, OPA4228 EMI Immunity Performance (Rev. A) 02 Nov 2012

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

DIP-ADAPTER-EVM — DIP adapter evaluation module

Speed up your op amp prototyping and testing with the DIP adapter evaluation module (DIP-ADAPTER-EVM), which provides a fast, easy and inexpensive way to interface with small surface-mount ICs. You can connect any supported op amp using the included Samtec terminal strips or wire them (...)

User guide: PDF
Not available on TI.com
Evaluation board

DIYAMP-EVM — Universal do-it-yourself (DIY) amplifier circuit evaluation module

The DIYAMP-EVM is an evaluation module (EVM) family that provides engineers and do it yourselfers (DIYers) with real-world amplifier circuits, enabling you to quickly evaluate design concepts and verify simulations. It is available in three industry-standard packages (SC70, SOT-23 and SOIC) (...)

User guide: PDF | HTML
Simulation model

OPAx228 PSpice Model (Rev. C)

SBOM144C.ZIP (29 KB) - PSpice Model
Simulation model

OPAx228 TINA-TI Reference Design (Rev. C)

SBOC189C.TSC (350 KB) - TINA-TI Reference Design
Simulation model

OPAx228 TINA-TI Spice Model (Rev. B)

SBOM268B.ZIP (10 KB) - TINA-TI Spice Model
Calculation tool

ANALOG-ENGINEER-CALC — Analog engineer's calculator

The analog engineer’s calculator is designed to speed up many of the repetitive calculations that analog circuit design engineers use on a regular basis. This PC-based tool provides a graphical interface with a list of various common calculations ranging from setting operational-amplifier (...)
Calculation tool

OPAMP-NOISECALC Noise Calculator

This folder contains three tools to help in understandning and managing noise in cicuits. The included tools are:

  • A noise generator tool - This is a Lab View 4-Run Time executable that generates Gaussian white noise, uniform white noise, 1/f noise, short noise, and 60Hz line noise. Temporal data, (...)
Supported products & hardware

Supported products & hardware

Products
LCD & OLED display power & drivers
BUF20800-Q1 Automotive, 18-CH Gamma Voltage Generator with Two Programmable VCOM Channels
General-purpose op amps
TLE2027-EP Enhanced Product Excalibur Low-Noise High-Speed Precision Operational Amplifier TLE2142A Excalibur Low-Noise High-Speed Precision Dual Operational Amplifier TLE2142AM High Speed High Drive Precision Dual Operational Amplifier TLE2142AM-D High speed high drive single precision operational amplifier TLE2142M-D High speed high drive dual operational amplifier
Precision op amps (Vos<1mV)
ICL7652 High Precision , 5-µV offset, Chopper-Stabilized Operational Amplifier INA1620 High-fidelity audio operational amplifier with integrated thin-film resistors and EMI filtering LMC6061 Precision CMOS Single Micropower Operational Amplifier LMC6062 Precision CMOS Dual Micropower Operational Amplifier LMC6064 Precision CMOS Quad Micropower Operational Amplifier LMC6081 Precision CMOS Single Operational Amplifier LMC6081-MIL Precision CMOS Single Operational Amplifier LMC6082 Precision CMOS Dual Operational Amplifier LMC6084 Precision CMOS Quad Operational Amplifier LMC6462 Dual Micropower, Rail-to-Rail Input and Output CMOS Operational Amplifier LMC6464 Quad Micropower, Rail-to-Rail Input and Output CMOS Operational Amplifier LMC6464QML Quad Micropower, Rail-to-Rail Input and Output CMOS Operational Amplifier LMC6482 Ultra-low Bias Current, Precision CMOS Rail-to-Rail Input and Output Dual Operational Amplifier LMC6482QML Ultra-low Bias Current, Precision CMOS Rail-to-Rail Input and Output Operational Amplifier LMC6484 Ultra-low Bias Current, Precision CMOS Rail-to-Rail Input and Output Quad Operational Amplifier LMC6484QML Ultra-low Bias Current, Precision CMOS Rail-to-Rail Input and Output Operational Amplifier LMP2011 Single, High Precision, Rail-to-Rail Output Operational Amplifier LMP2012 Dual, High Precision, Rail-to-Rail Output Operational Amplifier LMP2012QML-SP Dual, High Precision, Rail-to-Rail Output Operational Amplifier LMP2014MT Quad, High Precision, Rail-to-Rail Output Operational Amplifier LMP2021 Zero Drift, Low Noise, EMI Hardened Single Amplifier LMP2022 Zero Drift, Low Noise, EMI Hardened Dual Amplifier LMP2231 Single Micropower, 1.6V, Precision Operational Amplifier with CMOS Inputs LMP2232 Dual, Micropower, 1.6V, Precision , Operational Amplifier with CMOS Input LMP2234 Quad Micropower, 1.6V, Precision, Operational Amplifier with CMOS Input LMP7701 Precision, CMOS Input, RRIO, Wide Supply Range Single Amplifier LMP7702 Precision, CMOS Input, RRIO, Wide Supply Range Dual Amplifier LMP7704 Precision, CMOS Input, RRIO, Wide Supply Range Quad Amplifier LMP7704-SP Radiation-hardness-assured (RHA), precision low-input-bias wide-supply-range amplifier with RRIO LMP7707 Precision, CMOS Input, RRIO, Wide Supply Range Decompensated Single Amplifier LMP7708 Precision, CMOS Input, RRIO, Wide Supply Range Decompensated Dual Amplifier LMP7709 Precision, CMOS Input, RRIO, Wide Supply Range Decompensated Quad Amplifier LMP7711 Single precision, 17-MHz, low-noise, low bias current, CMOS input amplifier with shutdown LMP7712 Dual precision, 17-MHz, low-noise, low bias current, CMOS input amplifier with shutdown LMP7715 Single precision, 17-MHz, low-noise, low bias current, CMOS input amplifier LMP7716 Dual precision, 17-MHz, low-noise, low bias current, CMOS input amplifier LMP7716-Q1 Automotive, Dual Precision, 17MHz, Low Noise, CMOS Input Amplifier LMP7721 3 Femtoampere Input Bias Current Precision Amplifier LMP7731 Single 2.9 nV/sqrt(Hz) Low Noise, Precision, RRIO Amplifier LMP7732 Dual 2.9 nV/sqrt(Hz) Low Noise, Precision, RRIO Amplifier LMV2011 High Precision, Rail-to-Rail Output Operational Amplifier LMV641 10 MHz, 12V, Low Power Amplifier LMV771 Single, Low Offset, Low Noise, RRO Operational Amplifiers LMV772 Dual, Low Offset, Low Noise, RRO Operational Amplifiers LMV772-Q1 Automotive, Low Offset, Low Noise, RRO Operational Amplifiers LMV774 Quad, Low Offset, Low Noise, RRO Operational Amplifiers LMV841 Single CMOS Input, RRIO, Wide Supply Range Operational Amplifiers LMV841-Q1 Automotive, CMOS Input, RRIO, Wide Supply Range Operational Amplifiers LMV842 Dual CMOS Input, RRIO, Wide Supply Range Operational Amplifiers LMV842-Q1 Automotive, Dual CMOS Input, RRIO, Wide Supply Range Quad Operational Amplifiers LMV844 Quad CMOS Input, RRIO, Wide Supply Range Operational Amplifiers LMV844-Q1 Automotive, Quad CMOS Input, RRIO, Wide Supply Range Quad Operational Amplifiers LPV811 Single Channel 450nA Precision Nanopower Operational Amplifier LPV812 Dual Channel 425nA Precision Nanopower Operational Amplifiers LPV821 650nA, Precision Zero-Drift Nanopower Amplifier LT1013 Low Power, 4V-44V wide supply range, dual precision operational amplifier LT1013D Low power, 5V - 44V wide supply range, dual precision operational amplifier LT1013M Dual Precision Operational Amplifier LT1014 Low Power, 5V-44V wide supply range, quad precision operational amplifier LT1014-MIL Quad Precision Operational Amplifier LT1014A Quad Precision Operational Amplifiers LT1014D Low Power, 5V-44V wide supply range, dual operational amplifier LT1014D-EP Enhanced Product Quad Precision Operational Amplifier OP07 Precision operational amplifier OP07C Low-offset voltage (0.25 mV) single operational amplifier OP07D Low-offset voltage (0.15 mV) single operational amplifier OP27 Low-Noise Precision High-Speed Operational Amplifier OPA130 Single, 1-MHz, 20-pA bias current, 530-µA power, FET operational amplifier OPA131 Single, 4-MHz, 50-pA bias current, 750-µA power, FET operational amplifier OPA140 Single-channel, 11-MHz, low-noise 36-V JFET precision operational amplifier with rail-to-rail output OPA140A-DIE 11-MHz, low-noise 36-V JFET precision operational amplifier with rail-to-rail output OPA145 Single, 5.5-MHz, high slew rate, low-noise, low-power, RRO precision JFET operational amplifier OPA177 Precision Operational Amplifier OPA180 0.1-μV/°C Drift, Low-Noise, Rail-to-Rail Output, 36-V, Zero-Drift Operational Amplifier OPA180-Q1 Automotive-Qualified 0.1μV/°C Drift, Low-Noise, RRO, 36V, Zero-Drift Op Amp OPA187 Zero drift (10µV, 0.001µV/°C), MUX-friendly, low-noise, RRO, CMOS precision op amp OPA188 Precision, Low-Noise, Rail-to-Rail Output, 36V Zero-Drift Operational Amplifier OPA188-Q1 Automotive-Qualified Precision, Low-Noise, RRO, 36V, Zero-Drift Operational Amplifier OPA189 Single, 14-MHz, mux-friendly, low-noise, zero-drift, RRO, CMOS precision operational amplifier OPA191 Low-Power, Precision, 36-V, e-trim CMOS Amplifier OPA192 High-Voltage, Rail-to-Rail Input/Output, 5µV, 0.2µV/˚C, Precision Operational Amplifier OPA192-Q1 Automotive High-Voltage Rail-to-Rail Input/Output Precision Op Amp E-Trim™ Series OPA196 Single, 36-V, low power, all-purpose amplifier with mux-friendly input OPA197 Single, 36-V, precision, rail-to-rail input output, low offset voltage op amp OPA197-Q1 Single, automotive 36-V, precision, rail-to-rail input output, low offset voltage op amp OPA202 Low-noise (0.2 µVPP, 9 nV/√Hz) heavy-capacitive-drive (25 nF) super-beta precision op amp OPA206 Low-power (240 µA) low-noise (8 nV/√Hz) precision e-trim™ op amp with super-beta inputs and OVP OPA207 Low power (350µA), low noise (7.5nV/√Hz), high precision (100µV, 0.2µV/⁰C), bipolar RRO op amp OPA209 Single, 2.2-nV/rtHz, 18-MHz, precision, RRO, 36-V operational amplifier OPA210 2.2-nV/√Hz, low-power, 36-V operational amplifier OPA211 1.1nV/rtHz Noise, Low-Power, Precision Operational Amplifier OPA211-EP Enhanced Product 1.1nV/rtHz Noise, Low Power, Precision Operational Amplifier OPA211-HT High Temperature 1.1nV/rtHz Noise, Low Power, Precision Operational Amplifier OPA2130 Dual, 1-MHz, 20-pA bias current, 530-µA power, FET operational amplifier OPA2131 Dual, 4-MHz, 50-pA bias current, 750-µA power, FET operational amplifier OPA2140 Dual-channel, 11-MHz, low-noise 36-V JFET precision operational amplifier with rail-to-rail output OPA2145 Dual, 5.5-MHz, high slew rate, low-noise, low-power, RRO precision JFET operational amplifier OPA2156 Low noise (3-nV/√Hz @10kHz), high speed (25-MHz, 40-V/µs), CMOS precision RRIO dual op amp OPA2180 0.1 uV/°C DRIFT, Low Noise, Rail-to-Rail Output, 36V Zero-Drift Op Amp OPA2180-Q1 Automotive-Qualified 0.1 uV/°C Drift, Low Noise, RRO, 36V, Zero-Drift Op Amp OPA2182 Industry’s lowest offset drift (0.012 uV/˚C, max), 5.7 nV/rtHz, MUX-friendly 36V op amp OPA2187 Zero-drift (10µV, 0.001µV/C˚), MUX-friendly, low-noise, RRO, CMOS precision op amp (dual) OPA2188 0.03µV/°C, 6µV Vos, Low Noise, Rail-to-Rail Output, 36V Zero-Drift Operational Amplifier OPA2188-Q1 Automotive-Qualified 0.03µV/°C Drift, 6µV Vos, Low-Noise, RRO, 36V, Zero-Drift Op Amp OPA2189 Dual, 14-MHz, MUX-friendly, low-noise, zero-drift, RRO, CMOS precision operational amplifier OPA2191 Low-power, 36-V, CMOS precision e-trim™ operational amplifier OPA2192 36-V, Precision, RRIO, Low Offset Voltage, Low Input Bias Current Op Amp With e-trim OPA2192-Q1 Automotive 36-V, Precision, RRIO, Low Offset Voltage, Low Input Bias Current Op Amp With e-trim OPA2196 Dual, 36-V, low power, all-purpose amplifier with mux-friendly input OPA2197 Dual 36-V, precision, rail-to-rail input output, low offset voltage op amp OPA2197-Q1 Dual automotive 36-V, precision, rail-to-rail input output, low offset voltage op amp OPA2202 Low-noise (0.2 µVPP, 9 nV/√Hz), heavy-capacitive-drive (25 nF) dual super-beta precision op amp OPA2205 Dual, rail-to-rail bipolar precision e-trim™ op amp with low input bias current and low noise OPA2206 OVP ±40-V, low-power, low-noise, precision amplifier with e-trim™ and super beta input transistors OPA2209 Dual, 2.2-nV/rtHz, 18-MHz, precision, RRO, 36-V operational amplifier OPA2210 Ultra-low noise (2.2-nV/√Hz), super beta (0.3nA), high precision (5µV, 0.1µV/°C), 36-V, dual op amp OPA2211-EP 1.1 nV/√Hz Noise, Low Power, Precision Operational Amplifier OPA2211-HT 1.1nV/rtHz noise, low power, precision op amp OPA2211A 1.1nV/rtHz Noise, Low Power, Precision Operational Amplifier OPA2227 Dual high precision, low noise operational amplifiers OPA2227-EP Enhanced Product High Precision, Low Noise Operational Amplifier OPA2228 Dual, wide bandwidth, high precision, low noise operational amplifiers OPA2237 Dual Single-Supply Operational Amplifiers MicroAmplifier™ Series OPA2241 Dual, 5V single-supply, micro power operational amplifiers OPA2251 Dual, 15V single-supply, micro power operational amplifiers OPA227 High Precision, Low Noise Operational Amplifiers OPA2277 10µV, 0.1µV/˚C, High-Precision, Low-Power Operational Amplifier OPA2277-DIE High Precision Operational Amplifier OPA2277-EP Enhanced Product High Precision Operational Amplifier OPA228 33-MHz, 3-nV/√Hz noise, high precision operational amplifiers OPA2317 Dual, Low Offset, Rail-to-Rail I/O Operational Amplifier OPA2317-Q1 OPAx317-Q1 Low-Offset, Rail-to-Rail I/O Operational Amplifier OPA2320 Dual, precision, zero-crossover, 20-MHz, 0.9-pA Ib, RRIO, CMOS operational amplifier OPA2320-Q1 Automotive, dual, precision, zero-crossover, 20-MHz, 0.9-pA Ib, RRIO, CMOS op amp OPA2325 Dual precision, wide bandwidth, low noise, low power ADC driving op amp with RRIO and zero-crossover OPA2330 Dual, 1.8-V, 35-µA, micropower, precision, zero drift CMOS op amp OPA2333 1.8V, 17µA, 2 channels, microPower, Precision, Zero Drift CMOS Op Amp OPA2333-HT High Temperature 1.8-V Micropower CMOS Operational Amplifier Zero-Drift Series OPA2333-Q1 Automotive catalog 1.8V, 17uA, 2uV, microPOWER CMOS Zero-Drift Series Operational Amplifier OPA2333A-EP Enhanced Product 1.8 V, Micropower Cmos Operational Amplifiers Zero-Drift Series OPA2333P Industry's smallest, low-power, high-precision dual Op Amp with >300kHz GBW OPA2334 Dual 0.05uV/C max, single-supply CMOS operational amplifier with shutdown OPA2335 Dual 0.05uV/C max, single-supply CMOS operational amplifier OPA2335M 0.05uV/C max, Single-Supply CMOS Operational Amplifier OPA2336 Single-Supply, MicroPower CMOS Operational Amplifiers MicroAmplifier Series OPA2340 Dual single-supply, rail-to-rail, low power operational amplifier OPA2340-DIE Single-Supply, Rail-to-Rail Operational Amplifier MicroAmplifier™ OPA2350 Dual single-supply, rail-to-rail, high speed, low-noise operational amplifier OPA2369 Dual, 1.8-V, 700-nA, zero-crossover rail-to-rail I/O operational amplifier OPA237 Single-Supply Operational Amplifiers MicroAmplifier™ Series OPA2376 Dual, precision, low-noise, low quiescent current operational amplifier OPA2376-Q1 Low Noise, Low Quiescent Current, Precision Operational Amplifier e-trim/trade OPA2377 Low-Cost, Low Noise, 5MHz CMOS Operational Amplifier OPA2377-Q1 Automotive-Qualified, Rail-to-Rail In/Out, Low Noise, 5MHz CMOS Operational Amplifier OPA2378 Dual, low-noise, 900-kHz, RRIO, precision operational amplifier, zero-drift series OPA2381 Precision, Low Power, Transimpedance Amplifier OPA2387 Ultra-high-precision zero-drift low-input-bias-current operational amplifier OPA2388 Dual, 10-MHz, CMOS, zero-drift, zero-crossover, true RRIO precision operational amplifier OPA2388-Q1 Dual, automotive qualified, wide-bandwidth, zero-drift, zero-crossover, precision amplifier OPA241 Single, 5V single-supply, micro power operational amplifiers OPA251 Single, 15V single-supply, micro power operational amplifiers OPA27 Ultra-low-noise (4.5-nV/√Hz), 100-µV offset, unity gain stable precision operational amplifier OPA2727 e-trim™20MHz, High Precision CMOS Operational Amplifier OPA2734 Dual 0.05uV/degC (max) single-supply CMOS operational amplifier, zero-drift series with shutdown OPA2735 Dual 0.05uV/degC (max) single-supply CMOS operational amplifier, zero-drift series OPA277 Dual, 36-V, 10µV offset, 0.1µV/˚C drift, bipolar, operational amplifier OPA2828 Dual, high-speed (45 MHz and 150 V/μs), 36-V, low-noise (4 nV/√Hz) RRO JFET operational amplifier OPA317 Low Offset, Rail-to-Rail I/O Operational Amplifier OPA317-Q1 Automotive-Qualified Operational Amplifier with Low-Offset, RRIO, and Low Current Consumption OPA320 Precision, zero-crossover, 20-MHz, 0.9-pA Ib, RRIO, CMOS operational amplifier OPA320-Q1 Automotive qualified, precision, zero-crossover, 20-MHz, 0.9-pA Ib, RRIO, CMOS operational amplifier OPA325 Low noise (10nV/rtHz), wide bandwidth (10MHz), low power (0.65mA), zero crossover op amp OPA328 Precision, zero-crossover, 50-μV offset voltage, 40-MHz wide-bandwidth RRIO CMOS op amp OPA330 Single, 1.8-V, 35-µA, micropower, precision, zero drift CMOS op amp OPA333 Micropower, 1.8-V, 17-µA zero-drift CMOS precision operational amplifier OPA333-Q1 Automotive, micropower, 1.8-V, 17-µA zero-drift CMOS precision operational amplifier OPA333A-EP Enhanced-product, micropower, 1.8-V, 17-µA zero-drift CMOS precision operational amplifier OPA334 Single 0.05uV/C max, single-supply CMOS operational amplifier with shutdown OPA335 Single 0.05uV/C max, single-supply CMOS operational amplifier OPA336 Single-Supply, MicroPower CMOS Operational Amplifiers MicroAmplifier™ Series OPA336-EP Enhanced Product Single-Supply, Micropower Cmos Operational Amplifiers Microamplifier(Tm) OPA340 Single, single-supply, rail-to-rail, low power operational amplifier OPA340-EP Enhanced Product Single-Supply, Rail-to-Rail Operational Amplifiers MicroAmplifier™ Series OPA350 Single, single-supply, rail-to-rail, high speed, low noise operational amplifier OPA369 Single, 1.8-V, 700-nA, zero-crossover rail-to-rail I/O operational amplifier OPA37 Ultra-low-noise (4.5-nV/√Hz), 100-µV offset, decompensated precision operational amplifier OPA376 Precision (0.025mV), low noise (7.5nV/rtHz), low quiescent current (760uA) op amp OPA376-Q1 Automotive Precision, Low Noise, Low Iq Operational Amplifier OPA377 Low-cost, low-noise, 5.5-MHz CMOS operational amplifier OPA377-Q1 Automotive Qualified, Low Noise, Low Voltage, Precision Operational Amplifier OPA378 Low-noise, 900-kHz, RRIO, precision operational amplifier, zero-drift series OPA381 Precision, Low Power, High-Speed Transimpedance Amplifier OPA387 Ultra-high precision (2 µV), zero-drift (0.003 µV/C), low-input-bias-current op amp (single) OPA388 Single, 10-MHz, CMOS, zero-drift, zero-crossover, true RRIO precision operational amplifier OPA388-Q1 Automotive qualified, wide bandwidth, zero drift, zero cross over, precision amplifier OPA391 Micropower, single, high-precision low-bias-current RRIO op amp with high speed-to-power ratio OPA392 Single, low-offset (10 μV), low-noise (6 nV/rtHz) femtoamp-bias-current e-trim™ op amp OPA396 Micro-power, high precision, high speed-to-power ratio, cost optimized RRIO single op amp OPA397 Single, low-offset (60 µV), low-noise, low-bias-current RRIO e-trim™ operational amplifier OPA3S328 High-speed (40 MHz) high-precision (60 µV) low-noise op amp with integrated gain switches OPA404 Quad High Speed Precision Difet® Operational Amplifier OPA4140 Quad-channel, 11-MHz, low-noise 36-V JFET precision operational amplifier with rail-to-rail output OPA4180 0.1 uV/C Drift, Quad, Low Noise, Rail-to-Rail, 36V Zero Drift Op Amp OPA4187 Zero-drift (10µV, 0.001µV/C˚), MUX-friendly, low-noise, RRO, CMOS quad precision op amp (quad) OPA4188 0.03µV/C, Low Noise, Rail-to-Rail Output, 36V Zero-Drift Operational Amplifier OPA4189 Quad, 14-MHz, MUX-friendly, zero-drift, rail-to-rail-output, precision operational amplifier OPA4191 Quad, low-power, 36-V, precision, e-trim amplifier with RRIO OPA4192 Low-Noise, Low Quiescent Current, 36V RRI/O Precision Op Amps, E-Trim™ Series OPA4196 Quad, 36-V, low power, all-purpose amplifier with mux-friendly input OPA4197 Quad, 36-V, precision, rail-to-rail input output, low offset voltage op amp OPA4197-Q1 Automotive, quad channel, high precision, 36-V, 10-MHz, rail-to-rail input output op amp OPA4202 Low-noise (0.2 µVPP, 9 nV/√Hz), heavy-capacitive-drive (25 nF) quad super-beta precision op amp OPA4205 Quad, rail-to-rail bipolar precision e-trim™ op amp with low input bias current and low noise OPA4209 Quad, 2.2-nV/rtHz, 18-MHz, precision, RRO, 36-V operational amplifier OPA4227 Quad high precision, low noise operational amplifiers OPA4228 Quad high precision, wide bandwidth, low noise operational amplifiers OPA4241 Quad, 5V single-supply, micro power operational amplifiers OPA4251 Quad, 15V single-supply, micro power operational amplifiers OPA4277 Quad, low-offset (10 µV), precision op amp OPA4277-EP Enhanced Products High Precision Operational Amplifiers OPA4277-SP High-precision operational amplifier OPA4317 Quad, Low Offset, Rail-to-Rail I/O Operational Amplifier OPA4325 Low noise (10nV/rtHz), wide bandwidth (10MHz), low power (0.65mA), quad zero crossover op amp OPA4330 Quad, 1.8-V, 35-µA, micropower, precision, zero drift CMOS op amp OPA4336 Quad Single-Supply, MicroPower CMOS Operational Amplifiers MicroAmplifier™ Series OPA4340 Quad, single-supply, rail-to-rail, low power operational amplifier OPA4350 Quad, single-supply, rail-to-rail, high speed, low noise operational amplifier OPA4350-DIE High-Speed, Single-Supply, Rail-to-Rail Operational Amplifiers MicroAmplifier™ Series OPA4376 Quad precision, low-noise, low quiescent current operational amplifier OPA4376-Q1 Automotive-Qualified Precision Op Amp With E-Trim, Low Quiescent Current and Low Noise OPA4377 Quad low-cost, low-noise, 5.5-MHz CMOS operational amplifier OPA4377-Q1 Automotive-Qualified CMOS Operational Amplifier With Low Noise and 5.5MHz GBW OPA4387 Ultra-high precision (2 μV), zero-drift (0.003 μV/C), low-input-bias-current op amp (quad) OPA4388 Quad, 10-MHz, CMOS, zero-drift, zero-crossover, true RRIO precision operational amplifier OPA4727 e-trim™ 20MHz, High Precision CMOS Operational Amplifier OPA4H014-SEP Radiation-tolerant, 11-MHz, low-noise, precision rail-to-rail output JFET amplifier OPA593 85-V, 100-µV wide-bandwidth (10 MHz) high-output-current (250 mA) precision operational amplifier OPA627 55V/µS, High-Speed, 0.8µV/˚C Drift Max, Precision Operational Amplifier OPA627-DIE OPA627-DIE Precision High-Speed Difet Operational Amplifier OPA637 Precision High-Speed Difet® Operational Amplifiers OPA727 Single high precision, low noise operational amplifiers OPA728 20-MHz, 2.5-fA/√Hz noise, high precision operational amplifiers OPA734 Single 0.05-uV/degC (max) single-supply CMOS op amp, zero-drift series with shutdown OPA735 Single 0.05uV/degC (max) single-supply CMOS operational amplifier, zero-drift series OPA827 Low-noise, high-precision, JFET-input operational amplifier OPA828 High-speed (45 MHz and 150 V/μs), 36-V, low-noise (4 nV/√Hz) RRO JFET operational amplifier OPA928 High-voltage femtoampere-input-bias precision e-trim™ operational amplifier with RRIO SM72501 Precision, CMOS Input, RRIO, Wide Supply Range Amplifier SM73307 Dual, precision, 17-MHz, low-noise, CMOS input amplifier SM73308 Low Offset, Low Noise, RRO Operational Amplifiers THP210 High precision (40-μV, 0.1μV/C), high-voltage (36-V), low-noise (3.7-nV/√Hz), fully-differential amp TLC1078 Dual Micropower Precision Low-Voltage Operational Amplifier TLC1079 Quad Micropower Precision Low-Voltage Operational Amplifier TLC2201 Low Noise Precision Rail-To-Rail Output Operational Amplifier TLC2201-SP Space Low Noise Precision Advanced LinCMOS™ Single Operational Amplifier TLC2201A Advanced LinCMOS™ Low-Noise Precision Operational Amplifier TLC2201AM Low Noise Precision Advanced LinCMOS™ Single Operational Amplifier TLC2201AM-MIL Low Noise Precision Advanced LinCMOS™ Single Operational Amplifier TLC2201M Low Noise Precision Advanced LinCMOS™ Single Operational Amplifier TLC2202 Dual Low-Noise Precision Rail-To-Rail Operational Amplifier TLC2202A Advanced LinCMOS™ Low-Noise Precision Dual Operational Amplifier TLC2202AM Low Noise Precision Advanced LinCMOS™ Dual Operational Amplifier TLC2202M Low Noise Precision Advanced LinCMOS™ Dual Operational Amplifier TLC2252A Rail-To-Rail Dual Operational Amplifier TLC2252A-EP Enhanced Product Advanced Lincmos Rail-To-Rail Very Low Power Operational Amplifiers TLC2252A-Q1 Automotive Catalog Advanced LinCMOS Rail-to-Rail Very Low-Power Operational Amplifier TLC2252AM Rail-To-Rail uPower Precision Advanced LinCMOS™ Dual Operational Amplifier TLC2254A Rail-To-Rail Quad Operational Amplifier TLC2254A-EP Enhanced Product Advanced Lincmos Rail-To-Rail Very Low-Power Operational Amplifiers TLC2254A-Q1 Automotive advanced LinCMOS rail-to-rail very low-power precision operational amplifier TLC2254AM Rail-To-Rail uPower Precision Advanced LinCMOS™ Quad Operational Amplifier TLC2264A-Q1 Automotive Catalog Rail-to-Rail Very Low Power Operational Amplifier TLC2272A Dual, low-noise, 2.18-MHz rail-to-rail operational amplifier TLC2272A-EP Enhanced Product Advanced Lincmos(Tm) Rail-To-Rail Dual Operational Amplifier TLC2272A-Q1 Automotive Catalog Advanced LinCMOS™ Rail-to-Rail Operational Amplifiers TLC2272AM Advanced LinCMOS™ rail-to-rail dual precision operational amplifier with wide temperature r TLC2272AM-MIL Rail-To-Rail Low Noise Advanced LinCMOS™ Dual Operational Amplifier TLC2274A Advanced LinCMOS™ rail-to-rail quad precision operational amplifier TLC2274A-EP Enhanced Product Advanced Lincmos(Tm) Rail-To-Rail Operational Amplifiers TLC2274A-Q1 Automotive advanced LinCMOS™ rail-to-rail quad precision operational amplifier TLC2652 High precision, 1-µV offset, chopper-stabilized operational amplifier TLC2652A Advanced LinCMOS™ Precision Chopper-Stabilized Operational Amplifier TLC2652AM Precision Chopper-Stabilized Advanced LinCMOS™ Operational Amplifier TLC2652M-MIL Precision Chopper-Stabilized Advanced LinCMOS™ Operational Amplifier TLC2654 Low-Noise Chopper-Stabilized Operational Amplifier TLC2654A Advanced LinCMOS™ Low-Noise Chopper-Stabilized Operational Amplifier TLC2654AM Low Noise Chopper-Stabilized Advanced LinCMOS™ Operational Amplifier TLC277 Dual Precision Single Supply Operational Amplifier TLC279 Quad Precision Single Supply Operational Amplifier TLC27L7 Dual Precision Single Supply uPower Operational Amplifier TLC27L9 Quad Precision Single Supply Micropower Operational Amplifier TLC27M7 Dual, precision single supply low-power operational amplifier TLC27M9 Quad, precision single supply low-power operational amplifier TLC4501 Advanced LinEPIC Self-Calibrating (Self-Cal) Precision Single Operational Amplifier TLC4501A Advanced LinEPIC Self-Calibrating (Self-Cal) Precision Operational Amplifier TLC4502 Advanced LinEPIC Self-Calibrating Precision Dual Operational Amplifier TLC4502A Advanced, self-calibrating, precision, dual operational amplifier TLC4502AM Advanced, self-calibrating, precision, dual operational amplifier TLC4502M Advanced LinEPIC Self-Calibrating Precision Dual Operational Amplifier TLE2021 Precision Low-Power Single Supply Operational Amplifier TLE2021-EP Enhanced Product Precision Low-Power Single Supply Operational Amplifier TLE2021-Q1 Automotive excalibur high-speed low-power single operational amplifier TLE2021A Excalibur high-speed low-power single precision operational amplifier TLE2021A-EP Enhanced Product Excalibur High-Speed Low-Power Precision Operational Amplifiers TLE2021A-Q1 Automotive excalibur high-speed low-power single precision operational amplifier TLE2021AM High-Speed, Low-Power, Precision Single Operational Amplifier TLE2021B Excalibur High-Speed Low-Power Precision Operational Amplifier TLE2021M High-Speed, Low-Power, Precision Single Operational Amplifier TLE2021M-MIL High-Speed, Low-Power, Precision Single Operational Amplifier TLE2022 Dual Precision Low-Power Single Supply Operational Amplifier TLE2022-EP Enhanced Product Excalibur High-Speed Low-Power Precision Operational Amplifiers TLE2022-Q1 Automotive excalibur high-speed low-power single dual operational amplifier TLE2022A Excalibur High-Speed Low-Power Precision Dual Operational Amplifier TLE2022A-EP Enhanced Product Excalibur High-Speed Low-Power Precision Operational Amplifiers TLE2022A-Q1 Automotive excalibur high-speed low-power dual precision operational amplifier TLE2022AM High-Speed, Low-Power, Precision Dual Operational Amplifier TLE2022AM-MIL High-Speed, Low-Power, Precision Dual Operational Amplifier TLE2022BM High-Speed, Low-Power, Precision Dual Operational Amplifier TLE2022M Excalibur high-speed low-power precision dual operational amplifier with wide temperature ranges TLE2022M-MIL High-Speed, Low-Power, Precision Dual Operational Amplifier TLE2024A Excalibur high-speed low-power quad precision operational amplifier TLE2024A-EP Enhanced Product Excalibur High-Speed Low-Power Precision Op Amps TLE2024AM High-Speed, Low-Power, Precision Quad Operational Amplifier TLE2024B Excalibur High-Speed Low-Power Precision Quad Operational Amplifier TLE2027 Low-Noise Precision Operational Amplifier TLE2027AM Low-noise, high-speed, precision (25-µV offset) single operational amplifier TLE2027AM-MIL Low-Noise, High-Speed Precision Single Operational Amplifier TLE2027M Low-noise, high-speed, precision (100-µV offset) single operational amplifier TLE2027M-MIL Low-Noise, High-Speed Precision Single Operational Amplifier TLE2037 Low-Noise High-Speed Precision Decomp. Operational Amplifier TLE2037A Excalibur Low-Noise High-Speed Precision Decompensated Operational-Amplifier TLE2037A-Q1 Automotive Excalibur Low-Noise High-Speed Precision Operational Amplifiers TLE2141 Low Noise High-Speed Precision Single Supply Operational Amplifier TLE2141-EP Enhanced Product Excaliber Low-Noise High-Speed Precision Operational Amplifier TLE2141-Q1 Automotive Low-Noise High-Speed Precision Op Amps TLE2141A Excalibur Low-Noise High-Speed Precision Operational Amplifier TLE2141AM High Speed High Drive Precision Operational Amplifier TLE2141M High Speed High Drive Precision Operational Amplifier TLE2141M-D High speed high drive single operational amplifier TLV07 Precision, 36-V, low noise, rail-to-rail output, operational amplifier TLV197-Q1 Automotive, single channel, high-voltage, precision, RRIO op amp TLV2186 Low power,  rail-to-rail input and output, 24-V, zero-drift operational amplifier TLV2197-Q1 Automotive, dual channel, high-voltage, precision, RRIO op amp TLV2252 Dual Rail-To-Rail Low-Voltage Low Power Operational Amplifier TLV2252-Q1 Automotive, advanced LinCMOS™ rail-to-rail very low-power dual operational amplifier TLV2252A Advanced LinCMOS™ rail-to-rail very low-power dual precision operational amplifier TLV2252A-EP Enhanced Product Advanced Lincmos(Tm) Rail-To-Rail Very Low-Power Operational Amplifiers TLV2252A-Q1 Automotive, advanced LinCMOS™ rail-to-rail very low-power dual precision op amp TLV2252AM Low Voltage Rail-To-Rail uPower Precision Advanced LinCMOS™ Dual Operational Amplifier TLV2252M Low Voltage Rail-To-Rail Micropower Advanced LinCMOS™ Dual Operational Amplifier TLV2254 Advanced LinCMOS™ rail-to-rail very low-power quad operational amplifier TLV2254A Quad Low-Voltage Rail-To-Rail Operational Amplifier TLV2254A-EP Enhanced Product Advanced Lincmos(Tm) Rail-To-Rail Very Low-Power Operational Amplifiers TLV2262 Dual Rail-To-Rail Low-Voltage Low-Power Operational Amplifier TLV2262A Dual advanced linCMOS™, 0.2-mA, rail-to-rail operational amplifier TLV2262A-Q1 Dual, automotive precision advanced linCMOS rail-to-rail operational amplifier TLV2262AM Low Voltage Rail-To-Rail Low Power Precision Advanced LinCMOS™ Dual Operational Amplifier TLV2262M Low Voltage Rail-To-Rail Low Power Advanced LinCMOS™ Dual Operational Amplifier TLV2264 Quad Rail-To-Rail Low-Voltage Low-Power Operational Amplifier TLV2264A Quad, advanced linCMOS™, 0.2-mA, rail-to-rail operational amplifier TLV2264A-Q1 Quad, automotive precision advanced linCMOS rail-to-rail operational amplifier TLV2264AM Low Voltage Rail-To-Rail Low Power Precision Advanced LinCMOS™ Quad Operational Amplifier TLV2333 Dual, 350-kHz, low-noise, RRIO, CMOS operational amplifier for cost-sensitive systems TLV2369 Dual, 800-nA 1.8-V RRIO operational amplifier with zero-crossover distortion TLV2376 Dual 5.5-MHz, 100-µV offset, 8-nV/√Hz noise, 815-µA power, precision operational amplifiers TLV2422A Rail-to-Rail Output Wide-Input-Voltage Micropower Dual Op Amps TLV2442 Advanced LinCMOS™ rail-to-rail output wide-input-voltage dual operational amplifier TLV2442A Advanced LinCMOS™ rail-to-rail output wide-input-voltage dual precision op amp TLV2442A-Q1 Automotive, advanced LinCMOS™ rail-to-rail output wide-input-voltage dual precision op amp TLV2442AM Advanced LinCMOS™ Rail-to-Rail Output Wide-Input-Voltage Dual Operational Amplifier TLV2442M Advanced LinCMOS™ Rail-to-Rail Output Wide-Input-Voltage Dual Operational Amplifier TLV2444 Advanced LinCMOS™ rail-to-rail output wide-input-voltage quad operational amplifier TLV2444A Advanced LinCMOS™ rail-to-rail output wide-input-voltage quad precision op amp TLV333 Single, 350-kHz, low-noise, RRIO, CMOS operational amplifier for cost-sensitive systems TLV369 Single, 800-nA, 1.8-V, RRIO op amp with zero-crossover distortion for cost-sensitive application TLV376 5.5-MHz, 100-µV offset, 8-nV/√Hz noise, 815-µA power, precision operational amplifier TLV4197-Q1 Automotive, quad-channel, high-voltage, low-offset, rail-to-rail input output op amp TLV4333 Quad, 350-kHz, low-noise, RRIO, CMOS operational amplifier for cost-sensitive systems TLV4376 Quad 5.5-MHz, 100-µV offset, 8-nV/√Hz noise, 815-µA power, precision operational amplifiers TLV6003 Single ultra-low power (980nA), 16-V precision rail-to-rail input and output operational amplifier TLV8811 Single 425-nA precision nanopower operational amplifier for cost-optimized systems TLV8812 Dual 425-nA precision nanopower operational amplifier for cost-optimized systems
Design tool

CIRCUIT060001 — Single-supply, low-side, unidirectional current-sensing circuit

This single–supply, low–side, current sensing solution accurately detects load current up to 1A and converts it to a voltage between 50mV and 4.9V. The input current range and output voltage range can be scaled as necessary and larger supplies can be used to accommodate larger swings.
User guide: PDF
Design tool

CIRCUIT060002 — Temperature sensing with NTC thermistor circuit

This temperature sensing circuit uses a resistor in series with a negative–temperature–coefficient (NTC) thermistor to form a voltage divider, which has the effect of producing an output voltage that is linear over temperature. The circuit uses an op amp in a non–inverting (...)
User guide: PDF
Design tool

CIRCUIT060003 — Temperature sensing with PTC thermistor circuit

This temperature sensing circuit uses a resistor in series with a positive–temperature–coefficient (PTC) thermistor to form a voltage–divider, which has the effect of producing an output voltage that is linear over temperature. The circuit uses an op amp in a non–inverting (...)
Design tool

CIRCUIT060004 — Low-noise and long-range PIR sensor conditioner circuit

This two stage amplifier design amplifies and filters the signal from a passive infrared (PIR) sensor. The circuit includes multiple low–pass and high–pass filters to reduce noise at the output of the circuit to be able to detect motion at long distances and reduce false triggers. This (...)
Design tool

CIRCUIT060005 — High-side current sensing with discrete difference amplifier circuit

This single–supply, high–side, low–cost current sensing solution detects load current between 50mA and 1A and converters it to an output voltage from 0.25V to 5V. High–side sensing allows for the system to identify ground shorts and does not create a ground disturbance on (...)
User guide: PDF
Design tool

CIRCUIT060006 — Bridge amplifier circuit

A strain gauge is a sensor whose resistance varies with applied force. To measure the variation in resistance, the strain gauge is placed in a bridge configuration. This design uses a 2 op amp instrumentation circuit to amplify a differential signal created by the change in resistance of a strain (...)
Design tool

CIRCUIT060007 — Low-side bidirectional current-sensing circuit

This single-supply, low-side, bidirectional, current-sensing solution can accurately detect load currents from –1 A to 1 A. The linear range of the output is from 110 mV to 3.19 V. Low-side current sensing keeps the common-mode voltage near ground, and is thus most useful in applications with (...)
User guide: PDF
Design tool

CIRCUIT060008 — Full-wave rectifier circuit

This absolute value circuit can turn alternating current (AC) signals to single polarity signals. This circuit functions with limited distortion for ±10-V input signals at frequencies up to 50kHz and for signals as small as ±25mV at frequencies up to 1kHz.
User guide: PDF
Design tool

CIRCUIT060009 — Half-wave rectifier circuit

The precision half-wave rectifier inverts and transfers only the negative-half input of a time varying input signal (preferably sinusoidal) to its output. By appropriately selecting the feedback resistor values, different gains can be achieved. Precision half-wave rectifiers are commonly used with (...)
Design tool

CIRCUIT060010 — PWM generator circuit

This circuit utilizes a triangle wave generator and comparator to generate a 500 kHz pulse-width modulated (PWM) waveform with a duty cycle that is inversely proportional to the input voltage. An op amp and comparator generate a triangle waveform which is applied to the inverting input of a second (...)
User guide: PDF
Design tool

CIRCUIT060011 — Single-supply, second-order, multiple feedback high-pass filter circuit

The multiple-feedback (MFB) high-pass (HP) filter is a 2nd-order active filter. Vref provides a DC offset to accommodate for single-supply applications. This HP filter inverts the signal (Gain = –1 V/V) for frequencies in the pass band. An MFB filter is preferable when the gain is high or (...)
Design tool

CIRCUIT060012 — Single-supply, 2nd-order, multiple feedback low-pass filter circuit

The multiple-feedback (MFB) low-pass filter (LP filter) is a second-order active filter. Vref provides a DC offset to accommodate for single-supply applications. This LP filter inverts the signal (Gain = –1 V/V) for frequencies in the pass band. An MFB filter is preferable when the gain is (...)
Design tool

CIRCUIT060014 — Voltage-to-current (V-I) converter circuit with MOSFET

This single-supply, low-side, V-I converter delivers a well-regulated current to a load which can be connected to a voltage greater than the op amp supply voltage. The circuit accepts an input voltage between 0 V and 2 V and converts it to a current between 0 mA and 100 mA. The current is (...)
User guide: PDF
Design tool

CIRCUIT060016 — Non-inverting microphone pre-amplifier circuit

This circuit uses a non–inverting amplifier circuit configuration to amplify the microphone output signal. This circuit has very good magnitude flatness and exhibits minor frequency response deviations over the audio frequency range. The circuit is designed to be operated from a single 5-V (...)
User guide: PDF
Design tool

CIRCUIT060017 — Dual-supply, discrete, programmable gain amplifier circuit

This circuit provides programmable, non-inverting gains ranging from 6 dB (2 V/V) to 60 dB (1000 V/V) using a variable input resistance. The design maintains the same cutoff frequency over the gain range.
Design tool

CIRCUIT060018 — Photodiode amplifier circuit

This circuit consists of an op amp configured as a transimpedance amplifier for amplifying the light dependent current of a photodiode.
User guide: PDF
Design tool

CIRCUIT060019 — Inverting op amp with non-inverting positive reference voltage circuit

This design uses an inverting amplifier with a non-inverting positive reference voltage to translate an input signal of –1 V to 2 V to an output voltage of 0.05 V to 4.95 V. This circuit can be used to translate a sensor output voltage with a positive slope and negative offset to a usable (...)
Design tool

CIRCUIT060020 — Inverting amplifier circuit

This design inverts the input signal, Vi , and applies a signal gain of –2 V/V. The input signal typically comes from a low-impedance source because the input impedance of this circuit is determined by the input resistor, R1. The common-mode voltage of an inverting amplifier is equal to the (...)
Design tool

CIRCUIT060074 — High-side current sensing with comparator circuit

This high-side, current sensing solution uses one comparator with a rail-to-rail input common mode range to create an over-current alert (OC-Alert) signal at the comparator output (COMP OUT) if the load current rises above 1 A. The OC-Alert signal in this implementation is active low. So when the (...)
Design tool

CIRCUIT060075 — High-speed overcurrent detection circuit

This high-speed, low-side overcurrent detection solution is implemented with a single zero-drift fast-settling amplifier (OPA388) and one high-speed comparator (TLV3201). This circuit is designed for applications that monitor fast current signals and overcurrent events, such as current detection in (...)
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Simulation tool

TINA-TI — SPICE-based analog simulation program

TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
User guide: PDF
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  • Ongoing reliability monitoring

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