Product details

Architecture Voltage FB Number of channels (#) 1 Total supply voltage (Min) (+5V=5, +/-5V=10) 2.5 Total supply voltage (Max) (+5V=5, +/-5V=10) 5.5 GBW (Typ) (MHz) 118 BW @ Acl (MHz) 205 Acl, min spec gain (V/V) 1 Slew rate (Typ) (V/us) 560 Vn at flatband (Typ) (nV/rtHz) 4.6 Vn at 1 kHz (Typ) (nV/rtHz) 4.6 Iq per channel (Typ) (mA) 1 Vos (offset voltage @ 25 C) (Max) (mV) 0.4 Rail-to-rail In to V-, Out Features Shutdown Rating Catalog Operating temperature range (C) -40 to 125 CMRR (Typ) (dB) 116 Input bias current (Max) (pA) 1000000 Offset drift (Typ) (uV/C) 1.1 Output current (Typ) (mA) 50 2nd harmonic (dBc) 85 3rd harmonic (dBc) 79 @ MHz 1
Architecture Voltage FB Number of channels (#) 1 Total supply voltage (Min) (+5V=5, +/-5V=10) 2.5 Total supply voltage (Max) (+5V=5, +/-5V=10) 5.5 GBW (Typ) (MHz) 118 BW @ Acl (MHz) 205 Acl, min spec gain (V/V) 1 Slew rate (Typ) (V/us) 560 Vn at flatband (Typ) (nV/rtHz) 4.6 Vn at 1 kHz (Typ) (nV/rtHz) 4.6 Iq per channel (Typ) (mA) 1 Vos (offset voltage @ 25 C) (Max) (mV) 0.4 Rail-to-rail In to V-, Out Features Shutdown Rating Catalog Operating temperature range (C) -40 to 125 CMRR (Typ) (dB) 116 Input bias current (Max) (pA) 1000000 Offset drift (Typ) (uV/C) 1.1 Output current (Typ) (mA) 50 2nd harmonic (dBc) 85 3rd harmonic (dBc) 79 @ MHz 1
SOT-23 (DBV) 6 5 mm² 2.9 x 1.6 WQFN (RUN) 10 4 mm² 2 x 2
  • Low Power:
    • Supply Voltage: 2.5 V to 5.5 V
    • Quiescent Current: 1 mA (Typical)
    • Power Down Mode: 0.5 µA (Typical)
  • Bandwidth: 205 MHz
  • Slew Rate: 560 V/µs
  • Rise Time: 3 ns (2 VSTEP)
  • Settling Time (0.1%): 22 ns (2 VSTEP)
  • Overdrive Recovery Time: 60 ns
  • SNR: 0.00013% (–117.6 dBc) at 1 kHz (1 VRMS)
  • THD: 0.00003% (–130 dBc) at 1 kHz (1 VRMS)
  • HD2/HD3: –85 dBc/–105 dBc at 1 MHz (2 VPP)
  • Input Voltage Noise: 4.6 nV/√ Hz (f = 100 kHz)
  • Input Offset Voltage: 65 µV (±400-µV Maximum)
  • CMRR: 116 dB
  • Output Current Drive: 50 mA
  • RRO: Rail-to-Rail Output
  • Input Voltage Range: –0.2 V to +3.9 V (5-V Supply)
  • Operating Temperature Range: –40°C to +125°C
  • Low Power:
    • Supply Voltage: 2.5 V to 5.5 V
    • Quiescent Current: 1 mA (Typical)
    • Power Down Mode: 0.5 µA (Typical)
  • Bandwidth: 205 MHz
  • Slew Rate: 560 V/µs
  • Rise Time: 3 ns (2 VSTEP)
  • Settling Time (0.1%): 22 ns (2 VSTEP)
  • Overdrive Recovery Time: 60 ns
  • SNR: 0.00013% (–117.6 dBc) at 1 kHz (1 VRMS)
  • THD: 0.00003% (–130 dBc) at 1 kHz (1 VRMS)
  • HD2/HD3: –85 dBc/–105 dBc at 1 MHz (2 VPP)
  • Input Voltage Noise: 4.6 nV/√ Hz (f = 100 kHz)
  • Input Offset Voltage: 65 µV (±400-µV Maximum)
  • CMRR: 116 dB
  • Output Current Drive: 50 mA
  • RRO: Rail-to-Rail Output
  • Input Voltage Range: –0.2 V to +3.9 V (5-V Supply)
  • Operating Temperature Range: –40°C to +125°C

The OPA836 and OPA2836 devices (OPAx836) are single- and dual-channel, ultra-low power, rail-to-rail output, negative-rail input, voltage-feedback (VFB) operational amplifiers designed to operate over a power-supply range of 2.5 V to 5.5 V with a single supply, or ±1.25 V to ±2.75 V with a dual supply. Consuming only 1 mA per channel and a unity-gain bandwidth of 205 MHz, these amplifiers set an industry-leading power-to-performance ratio for rail-to-rail amplifiers.

For battery-powered, portable applications where power is of key importance, the low-power consumption and high-frequency performance of the OPA836 and OPA2836 devices offer performance-versus-power capability that is not attainable in other devices. Coupled with a power-savings mode to reduce current to < 1.5 µA, these devices offer an attractive solution for high-frequency amplifiers in battery-powered applications.

The OPA836 RUN package option includes integrated gain-setting resistors for the smallest possible footprint on a printed-circuit board (approximately 2.00 mm × 2.00 mm). By adding circuit traces on the PCB, gains of +1, –1, –1.33, +2, +2.33, –3, +4, –4, +5, –5.33, +6.33, –7, +8 and inverting attenuations of –0.1429, –0.1875, –0.25, –0.33, –0.75 can be achieved. See Table 9-1 and Table 9-2 for details.

The OPA836 and OPA2836 devices are characterized for operation over the extended industrial temperature range of –40°C to +125°C.

The OPA836 and OPA2836 devices (OPAx836) are single- and dual-channel, ultra-low power, rail-to-rail output, negative-rail input, voltage-feedback (VFB) operational amplifiers designed to operate over a power-supply range of 2.5 V to 5.5 V with a single supply, or ±1.25 V to ±2.75 V with a dual supply. Consuming only 1 mA per channel and a unity-gain bandwidth of 205 MHz, these amplifiers set an industry-leading power-to-performance ratio for rail-to-rail amplifiers.

For battery-powered, portable applications where power is of key importance, the low-power consumption and high-frequency performance of the OPA836 and OPA2836 devices offer performance-versus-power capability that is not attainable in other devices. Coupled with a power-savings mode to reduce current to < 1.5 µA, these devices offer an attractive solution for high-frequency amplifiers in battery-powered applications.

The OPA836 RUN package option includes integrated gain-setting resistors for the smallest possible footprint on a printed-circuit board (approximately 2.00 mm × 2.00 mm). By adding circuit traces on the PCB, gains of +1, –1, –1.33, +2, +2.33, –3, +4, –4, +5, –5.33, +6.33, –7, +8 and inverting attenuations of –0.1429, –0.1875, –0.25, –0.33, –0.75 can be achieved. See Table 9-1 and Table 9-2 for details.

The OPA836 and OPA2836 devices are characterized for operation over the extended industrial temperature range of –40°C to +125°C.

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Technical documentation

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Type Title Date
* Data sheet OPAx836 Very-Low-Power, Rail-to-Rail Out, Negative-Rail In, VFB Op Amps datasheet (Rev. J) 12 Mar 2021
E-book Simplifying Current Sensing (Rev. A) 09 Jan 2020
Application note Increase Measurement Accuracy With HS Amps for Low-Side Shunt Current Monitoring (Rev. A) 26 Aug 2019
Application note Higher accuracy using an external amplifier in ultrasonic flow measurement 05 Feb 2019
Technical article How to reduce distortion in high-voltage, high-frequency signal generation for AWGs 30 Oct 2018
Technical article What are the advantages of using JFET-input amplifiers in high-speed applications? 19 Jun 2018
Technical article Unique active mux capability combines buffer and switch into one solution 10 Oct 2017
Application note Low-Cost, Low-Power, Small 14-bit AFE: Interleaved ADCs Scalable up to 7.5 MSPS 26 May 2017
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
User guide ADS7056EVM-PDK Quick Start Guide 09 Mar 2017
Technical article How to minimize filter loss when you drive an ADC 20 Oct 2016
Application note OPA836 Low-Power Op Amp Applications 08 Sep 2011
User guide OPA835DBV and OPA836DBV EVM User's Guide 08 Mar 2011
Analog design journal Designing for low distortion with high-speed op amps 02 Mar 2005
Application note Noise Analysis for High Speed Op Amps (Rev. A) 17 Jan 2005
Application note Voltage Feedback vs. Current Feedback Op Amps 30 Nov 1998

Design & development

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

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Simulation model

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SLOM218C.ZIP (33 KB) - PSpice Model
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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 (...)
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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 (...)
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 op-amp gain with feedback (...)
Calculation tool

VOLT-DIVIDER-CALC — Voltage Divider Determines A Set of Resistors for a Voltage Divider

VOLT-DIVIDER-CALC quickly determines a set of resistors for a voltage divider. This KnowledgeBase Javascript utility can be used to find a set of resistors for a voltage divider to achieve the desired output voltage. This calculator can also be used to design non-inverting attentuation circuits.

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Reference designs

TIDM-02003 — Ultrasonic sensing subsystem reference design for gas flow measurement

This reference design helps designers develop an ultrasonic gas-metering subsystem using an integrated, ultrasonic sensing solution (USS) module, which provides superior metrology performance with low-power consumption and maximum integration. The design is based on the 64KB MSP430FR6043 (...)
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This TI Verified Design is the realization of a high precision, 16-bit 1MSPS data acquisition system suitable for applications such as digital audio that require front-ends with very low distortion and noise. The circuit uses a high performance Successive Approximation Register Analog to Digital (...)
Package Pins Download
QFN (RUN) 10 View options
SOT-23 (DBV) 6 View options

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