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Precision op amps (Vos<1mV)

LMP7704-SP

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Radiation hardness assured (RHA), precision, low-input bias, RRIO, wide-supply range amplifiers

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Data sheet

LMP7704-SP

ACTIVE
Data sheet Order now

Product details

Number of channels (#) 4 Total supply voltage (Max) (+5V=5, +/-5V=10) 12 Total supply voltage (Min) (+5V=5, +/-5V=10) 2.7 Vos (offset voltage @ 25 C) (Max) (mV) 0.26 GBW (Typ) (MHz) 2.5 Slew rate (Typ) (V/us) 1 Rail-to-rail In, Out Offset drift (Typ) (uV/C) 1 Iq per channel (Typ) (mA) 0.8 Vn at 1 kHz (Typ) (nV/rtHz) 9 CMRR (Typ) (dB) 130 Rating Space Operating temperature range (C) -55 to 125 Output current (Typ) (mA) 42 Architecture CMOS THD + N @ 1 kHz (Typ) (%) 0.02
Number of channels (#) 4 Total supply voltage (Max) (+5V=5, +/-5V=10) 12 Total supply voltage (Min) (+5V=5, +/-5V=10) 2.7 Vos (offset voltage @ 25 C) (Max) (mV) 0.26 GBW (Typ) (MHz) 2.5 Slew rate (Typ) (V/us) 1 Rail-to-rail In, Out Offset drift (Typ) (uV/C) 1 Iq per channel (Typ) (mA) 0.8 Vn at 1 kHz (Typ) (nV/rtHz) 9 CMRR (Typ) (dB) 130 Rating Space Operating temperature range (C) -55 to 125 Output current (Typ) (mA) 42 Architecture CMOS THD + N @ 1 kHz (Typ) (%) 0.02
CFP (HBH) 14 63 mm² 6.45 x 9.73
  • QML Class V (QMLV), RHA, SMD 5962-19206
  • Radiation performance
    • RHA up to TID = 100 krad(Si)
    • ELDRS-free up to TID = 100 krad(Si)
    • SEL immune to LET = 85 MeV·cm2/mg
    • SEE characterized to LET = 85 MeV·cm2/mg
  • Ultra-low input bias current: ±500 fA
  • Input offset voltage: ±60 µV
  • Unity-gain bandwidth: 2.5 MHz
  • Supply voltage range: 2.7 V to 12 V
  • Rail-to-rail input and output
  • Military temperature range: −55°C to +125°C
  • Available in 14-lead CFP with industry-standard quad amp pinout
  • QML Class V (QMLV), RHA, SMD 5962-19206
  • Radiation performance
    • RHA up to TID = 100 krad(Si)
    • ELDRS-free up to TID = 100 krad(Si)
    • SEL immune to LET = 85 MeV·cm2/mg
    • SEE characterized to LET = 85 MeV·cm2/mg
  • Ultra-low input bias current: ±500 fA
  • Input offset voltage: ±60 µV
  • Unity-gain bandwidth: 2.5 MHz
  • Supply voltage range: 2.7 V to 12 V
  • Rail-to-rail input and output
  • Military temperature range: −55°C to +125°C
  • Available in 14-lead CFP with industry-standard quad amp pinout

The LMP7704-SP is a precision amplifier with low input bias, low offset voltage, 2.5-MHz gain bandwidth product, and a wide supply voltage. The device is radiation hardened and operates in the military temperature range of −55°C to +125°C.

The high dc precision of this amplifier, specifically the low offset voltage of ±60 µV and ultra-low input bias of ±500 fA, make this device an excellent choice for interfacing with precision sensors with high output impedances. This amplifier can be configured for transducer, bridge, strain gauge, and transimpedance amplification.

The LMP7704-SP is a precision amplifier with low input bias, low offset voltage, 2.5-MHz gain bandwidth product, and a wide supply voltage. The device is radiation hardened and operates in the military temperature range of −55°C to +125°C.

The high dc precision of this amplifier, specifically the low offset voltage of ±60 µV and ultra-low input bias of ±500 fA, make this device an excellent choice for interfacing with precision sensors with high output impedances. This amplifier can be configured for transducer, bridge, strain gauge, and transimpedance amplification.
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Technical documentation

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* Data sheet LMP7704-SP Radiation Hardness Assured (RHA), Precision, Low Input Bias, RRIO, Wide Supply Range Amplifier datasheet (Rev. C) PDF | HTML 31 Mar 2022
Application note Heavy Ion Orbital Environment Single-Event Effects Estimations (Rev. A) PDF | HTML 17 Nov 2022
Application note Single-Event Effects Confidence Interval Calculations (Rev. A) PDF | HTML 19 Oct 2022
Application note Space-Grade, 100-krad, 125-kHz Photodiode Transimpedance Amplifier (TIA) Circuit (Rev. A) PDF | HTML 29 Apr 2022
Application note Analog Front-End Design With Texas Instruments’ Tooling Landscape PDF | HTML 07 Mar 2022
Selection guide TI Space Products (Rev. I) 03 Mar 2022
Application note Space-Grade, 100-krad, 100-V, High-Side Current Sensing Circuit (Rev. A) PDF | HTML 23 Feb 2022
Application note Space-Grade, 100-krad, 1.25-V, Low-Noise Voltage Reference Circuit PDF | HTML 24 Jan 2022
Application note Space-Grade, 100-krad, Linear Thermoelectric Cooler (TEC) Driver Circuit (Rev. A) PDF | HTML 11 Jan 2022
Application note Space-Grade, 100-krad, Voltage-Controlled Current Sink (0–200 mA) Circuit PDF | HTML 30 Jun 2021
Circuit design Space-Grade, 100-krad, Discrete, Three Op Amp Instrumentation Amplifier Circuit PDF | HTML 28 Jun 2021
Application note Space-Grade, 100-krad, Programmable Negative Voltage Source (–5 to 0 V) Circuit 07 Jun 2021
Application note Space-Grade, 100-krad, Programmable Voltage Source Circuit With Remote Sense FB 07 Jun 2021
Circuit design Space-Grade, 50-krad, 2-Wire, Discrete 4–20-mA Current Transmitter Circuit PDF | HTML 27 May 2021
Technical article Satellite state of health: how space-grade ICs are improving telemetry circuit design 26 Jan 2021
More literature TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing 17 Jun 2019

Design & development

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Evaluation board

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User guide: PDF
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DIYAMP-EVM — Universal Do-It-Yourself (DIY) Amplifier Circuit Evaluation Module

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User guide: PDF | HTML
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Simulation model

LMP7704-SP PSpice Model (Rev. A)

SNOM739A.ZIP (31 KB) - PSpice Model
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Simulation model

LMP7704-SP TINA-TI Reference Design

SNOM737.TSC (324 KB) - TINA-TI Reference Design
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Simulation model

LMP7704-SP TINA-TI Spice Model

SNOM738.ZIP (11 KB) - TINA-TI Spice Model
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Calculation tool

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OPAMP-NOISECALC — Noise Calculator, Generator and Examples

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CIRCUIT060002 — Temperature sensing with NTC thermistor circuit

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CIRCUIT060003 — Temperature sensing with PTC thermistor circuit

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

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CIRCUIT060006 — Bridge amplifier circuit

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CIRCUIT060007 — Low-side, bidirectional current-sensing circuit

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CIRCUIT060008 — Full-wave rectifier circuit

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CIRCUIT060009 — Half-wave rectifier circuit

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CIRCUIT060010 — PWM generator circuit

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

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

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CIRCUIT060016 — Non-inverting microphone pre-amplifier circuit

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CIRCUIT060018 — Photodiode amplifier circuit

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CIRCUIT060074 — High-side current sensing with comparator circuit

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CIRCUIT060075 — High-speed overcurrent detection circuit

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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

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Reference designs

TIDA-060042 — Series resistance temperature detector (RTD) sensing reference design

The TIDA-060042 reference design demonstrates a fully space-graded ratiometric temperature sensing circuit using ADS1282EVM-PDK. This circuit measures temperature at up to 10 different locations without any use of buffers. The majority of space applications require temperature measurement in (...)
Design guide: PDF
Reference designs

TIDA-010197 — Versatile satellite health monitoring and control platform reference design with < 1% accuracy

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Schematic: PDF
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CFP (HBH) 14 View options

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