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Precision op amps (Vos<1mV)
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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
Radiation hardness assured (RHA), precision, low-input bias, RRIO, wide supply range amplifiers

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) 0.2 GBW (Typ) (MHz) 2.5 Slew rate (Typ) (V/us) 1.5 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) 86 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) 0.2 GBW (Typ) (MHz) 2.5 Slew rate (Typ) (V/us) 1.5 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) 86 Architecture CMOS THD + N @ 1 kHz (Typ) (%) 0.02
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  • 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
open-in-new Find other Precision op amps (Vos<1mV)

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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Type Title Date
* Data sheet LMP7704-SP Radiation Hardness Assured (RHA), Precision, Low Input Bias, RRIO, Wide Supply Range Amplifiers datasheet (Rev. B) 30 Sep 2021
Application note Space-Grade, 100-krad, Voltage-Controlled Current Sink (0–200 mA) Circuit 30 Jun 2021
Application note Space-Grade, 100-krad, 125-kHz Photodiode Transimpedance Amplifier (TIA) Circuit 28 Jun 2021
Application note Space-Grade, 100-krad, Discrete, Three Op Amp Instrumentation Amplifier Circuit 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
Application note Space-Grade, 50-krad, 2-Wire, Discrete 4–20-mA Current Transmitter Circuit 27 May 2021
Application note Space-Grade, 100-krad, Linear Thermoelectric Cooler (TEC) Driver Circuit 25 May 2021
Selection guide TI Space Products (Rev. H) 27 Jan 2021
Technical article Satellite state of health: how space-grade ICs are improving telemetry circuit design 26 Jan 2021
Application note Heavy Ion Orbital Environment Single-Event Effects Estimations 18 May 2020
Application note Single-Event Effects Confidence Interval Calculations 14 Jan 2020
More literature TI Engineering Evaluation Units vs. MIL-PRF-38535 QML Class V Processing 17 Jun 2019

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-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 directly to existing circuits.

The (...)

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Evaluation board

DIYAMP-EVM — Universal Do-It-Yourself (DIY) Amplifier Circuit Evaluation Module

The DIYAMP-EVM is a unique 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, SOT23, SOIC) and 12 (...)
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Simulation model

LMP7701 PSPICE Model (Rev. B)

SNOM105B.ZIP (16 KB) - PSpice Model
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Simulation model

LMP7701 TINA-TI Reference Design (Rev. A)

SNOM640A.TSC (1710 KB) - TINA-TI Reference Design
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Simulation model

LMP7701 TINA-TI Spice Model (Rev. A)

SNOM641A.ZIP (10 KB) - TINA-TI Spice 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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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 (...)
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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 (...)
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Calculation tool

OPAMP-NOISECALC — Noise Calculator, Generator and Examples

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 (...)
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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.
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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 (...)
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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 (...)
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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 (...)
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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 the load.
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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 (...)
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Design tool

CIRCUIT060007 — Low-side, bidirectional current-sensing circuit

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

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

This reference design features a highly modular design for radiation-hardened satellite telemetry systems that utilizes the versatility of LMP7704-SP to accurately monitor temperature, voltage and current to provide feedback to the host board. It also provides controlled analog outputs to provide (...)
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  • Ongoing reliability monitoring

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