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Operational amplifiers (op amps)
Precision op amps (Vos<1mV)

OPA376

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Precision (0.025mV), low noise (7.5nV/rtHz), low quiescent current (760uA) op amp

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Data sheet
Precision (0.025mV), low noise (7.5nV/rtHz), low quiescent current (760uA) op amp

OPA376

ACTIVE
Data sheet Order now

Product details

Number of channels (#) 1 Total supply voltage (Max) (+5V=5, +/-5V=10) 5.5 Total supply voltage (Min) (+5V=5, +/-5V=10) 2.2 Vos (offset voltage @ 25 C) (Max) (mV) 0.025 GBW (Typ) (MHz) 5.5 Features EMI Hardened, Small Size Slew rate (Typ) (V/us) 2 Rail-to-rail In, Out Offset drift (Typ) (uV/C) 0.32 Iq per channel (Typ) (mA) 0.76 Vn at 1 kHz (Typ) (nV/rtHz) 7.5 CMRR (Typ) (dB) 90 Rating Catalog Operating temperature range (C) -40 to 125 Input bias current (Max) (pA) 10 Output current (Typ) (mA) 30 Architecture CMOS THD + N @ 1 kHz (Typ) (%) 0.00027
Number of channels (#) 1 Total supply voltage (Max) (+5V=5, +/-5V=10) 5.5 Total supply voltage (Min) (+5V=5, +/-5V=10) 2.2 Vos (offset voltage @ 25 C) (Max) (mV) 0.025 GBW (Typ) (MHz) 5.5 Features EMI Hardened, Small Size Slew rate (Typ) (V/us) 2 Rail-to-rail In, Out Offset drift (Typ) (uV/C) 0.32 Iq per channel (Typ) (mA) 0.76 Vn at 1 kHz (Typ) (nV/rtHz) 7.5 CMRR (Typ) (dB) 90 Rating Catalog Operating temperature range (C) -40 to 125 Input bias current (Max) (pA) 10 Output current (Typ) (mA) 30 Architecture CMOS THD + N @ 1 kHz (Typ) (%) 0.00027
open-in-new Find other Precision op amps (Vos<1mV)
SOIC (D) 8 19 mm² 3.91 x 4.9 SOT-23 (DBV) 5 5 mm² 2.9 x 1.6 SOT-SC70 (DCK) 5 4 mm² 2 x 2.1
open-in-new Find other Precision op amps (Vos<1mV)
  • Low Noise: 7.5 nV/√Hz at 1 kHz
  • 0.1 Hz to 10 Hz Noise: 0.8 µVPP
  • Quiescent Current: 760 µA (typical)
  • Low Offset Voltage: 5 µV (typ)
  • Gain Bandwidth Product: 5.5 MHz
  • Rail-to-Rail Input and Output
  • Single-Supply Operation
  • Supply Voltage: 2.2 V to 5.5 V
  • Space-Saving Packages:
    • SC70, SOT-23, DSBGA, VSSOP, TSSOP
  • Low Noise: 7.5 nV/√Hz at 1 kHz
  • 0.1 Hz to 10 Hz Noise: 0.8 µVPP
  • Quiescent Current: 760 µA (typical)
  • Low Offset Voltage: 5 µV (typ)
  • Gain Bandwidth Product: 5.5 MHz
  • Rail-to-Rail Input and Output
  • Single-Supply Operation
  • Supply Voltage: 2.2 V to 5.5 V
  • Space-Saving Packages:
    • SC70, SOT-23, DSBGA, VSSOP, TSSOP
open-in-new Find other Precision op amps (Vos<1mV)

The OPA376 family represents a new generation of low-noise operational amplifiers with e-trim™, offering outstanding dc precision and ac performance. Rail-to-rail input and output, low offset (25 µV, maximum), low noise (7.5 nV/√Hz), quiescent current of 950 µA (maximum), and a 5.5-MHz bandwidth make this part very attractive for a variety of precision and portable applications. In addition, this device has a reasonably wide supply range with excellent PSRR, making it attractive for applications that run directly from batteries without regulation.

The OPA376 (single version) is available in MicroSIZE SC70-5, SOT-23-5, and SOIC-8 packages. The OPA2376 (dual) is offered in the DSBGA-8, VSSOP-8, and SOIC-8 packages. The OPA4376 (quad) is offered in a TSSOP-14 package. All versions are specified for operation from –40°C to +125°C.

The OPA376 family represents a new generation of low-noise operational amplifiers with e-trim™, offering outstanding dc precision and ac performance. Rail-to-rail input and output, low offset (25 µV, maximum), low noise (7.5 nV/√Hz), quiescent current of 950 µA (maximum), and a 5.5-MHz bandwidth make this part very attractive for a variety of precision and portable applications. In addition, this device has a reasonably wide supply range with excellent PSRR, making it attractive for applications that run directly from batteries without regulation.

The OPA376 (single version) is available in MicroSIZE SC70-5, SOT-23-5, and SOIC-8 packages. The OPA2376 (dual) is offered in the DSBGA-8, VSSOP-8, and SOIC-8 packages. The OPA4376 (quad) is offered in a TSSOP-14 package. All versions are specified for operation from –40°C to +125°C.

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Similar products you might be interested in

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Pin-for-pin with same functionality to the compared device.
NEW OPA392 ACTIVE Single, low-offset (0.01 mV), low-noise (6 nV/rtHz), femtoampere bias current, RRIO, e-trim™ op amp For higher BW and lower offset see the OPA392.

Technical documentation

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Type Title Date
* Data sheet OPAx376 Low-Noise, Low Quiescent Current, Precision Operational Amplifier e-trim Series datasheet (Rev. G) 30 Dec 2015
E-book Tips and tricks for designing with voltage references (Rev. A) 07 May 2021
Application note Offset Correction Methods: Laser Trim, e-Trim, and Chopper (Rev. C) 13 Apr 2021
Application note Low-noise and long-range PIR sensor conditioner circuit (Rev. A) 29 Feb 2020
Application note Inverting op amp with non-inverting positive reference voltage circuit (Rev. A) 04 Feb 2019
Application note Integrator circuit (Rev. A) 31 Jan 2019
Application note Inverting dual-supply to single-supply amplifier circuit 09 Jan 2019
Application note Dual-supply, discrete, programmable gain amplifier circuit 30 Dec 2018
Application note Single-supply strain gauge bridge amplifier circuit 30 Dec 2017
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017
Technical article SPICE op amp macromodels: “Trust but verify” 25 Sep 2015
Technical article Understanding voltage references: level shift of precision voltage references 15 May 2015
Technical article Trimmed or chopped: How do you like your op amp? 07 Apr 2015
Technical article Options abound to power your LEDs! 21 Dec 2013

Design & development

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Evaluation board

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DIP-ADAPTER-EVM — DIP adapter evaluation module

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The (...)

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

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PLABS-SAR-EVM-PDK — TI Precision Labs SAR ADC Evaluation Module Performance Demonstration Kit (PDK)

PLABS-SAR-EVM-PDK is an experimental platform used in conjunction with TI Precision Labs videos to gain a deeper understanding of successive approximation register (SAR) analog-to-digital converter (ADC) circuits. The evaluation module (EVM) platform contains two channels for common SAR (...)

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Simulation model

OPAx376 TINA-TI Reference Design (Rev. F)

SBOC261F.TSC (281 KB) - TINA-TI Reference Design
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Simulation model

OPAx376 TINA-TI Spice Model (Rev. E)

SBOM309E.ZIP (9 KB) - TINA-TI Spice Model
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Simulation model

OPAx376 PSpice Model (Rev. E)

SBOM406E.ZIP (17 KB) - PSpice Model
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Simulation model

TINA-TI Reference Design Companion for Dual-supply, discrete, PGA Circuit

SBOMAU3.ZIP (22 KB) - TINA-TI Reference Design
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Simulation model

TINA-TI Reference Design Companion for Single-supply strain gauge bridge amp

SBOMAU4.ZIP (157 KB) - TINA-TI Reference Design
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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

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CIRCUIT060003 — Temperature sensing with PTC thermistor circuit

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Design tool

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

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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 (...)
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CIRCUIT060006 — Bridge amplifier circuit

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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 (...)
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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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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

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CIRCUIT060016 — Non-inverting microphone pre-amplifier circuit

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

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CIRCUIT060018 — Photodiode amplifier circuit

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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 (...)
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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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Design tool

CIRCUIT060074 — High-side current sensing with comparator circuit

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Design tool

CIRCUIT060075 — High-speed overcurrent detection circuit

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Design tool

Simulation for Integrator Circuit

SBOC496.ZIP (465 KB)
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Design tool

Simulation for Low-Side, Bidirectional Current Sensing Circuit

SBOC500.ZIP (297 KB)
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Design tool

Simulation for Inverting Op Amp With Non-Inverting Positive Reference

SBOC514.ZIP (205 KB)
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Design tool

Simulation for Discrete Programmable Gain Amplifier Circuit

SBOC521.ZIP (22 KB)
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