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INA143

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High speed (5-V/µs), 250-µV offset, G= 10 or G= 0.1 precision difference amplifier

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Data sheet

INA143

ACTIVE
Data sheet Order now

Product details

Number of channels 1 Vs (min) (V) 4.5 Vs (max) (V) 36 CMRR (min) (dB) 80 Common-mode input low (min) (V) -18.7 Common-mode input high (max) (V) 18.7 Input offset (±) (max) (V) 0.00025 Iq (typ) (mA) 0.95 Slew rate (typ) (V/µs) 4.5 Voltage gain (min) (V/V) 0.1 Voltage gain (max) (V/V) 10 Small-signal bandwidth (typ) (Hz) 150000 Rating Catalog Operating temperature range (°C) -40 to 85 Gain drift (max) (ppm/°C) 1 Gain error (±) (max) (%) 0.05
Number of channels 1 Vs (min) (V) 4.5 Vs (max) (V) 36 CMRR (min) (dB) 80 Common-mode input low (min) (V) -18.7 Common-mode input high (max) (V) 18.7 Input offset (±) (max) (V) 0.00025 Iq (typ) (mA) 0.95 Slew rate (typ) (V/µs) 4.5 Voltage gain (min) (V/V) 0.1 Voltage gain (max) (V/V) 10 Small-signal bandwidth (typ) (Hz) 150000 Rating Catalog Operating temperature range (°C) -40 to 85 Gain drift (max) (ppm/°C) 1 Gain error (±) (max) (%) 0.05
SOIC (D) 8 29.4 mm² 4.9 x 6
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Technical documentation

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* Data sheet High-Speed, Precision, G = 10 or G = 0.1 Difference Amplifiers datasheet 27 Sep 2000
E-book The Signal e-book: A compendium of blog posts on op amp design topics 28 Mar 2017

Design & development

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

Evaluation board

DIFFAMP-EVM — Universal Difference Amplifier Evaluation Module

Be confident in your choice of difference amplifier and easily evaluate and compare devices with the DIFFAMP-EVM. With support for a variety of configurations, this module can be tailored towards your desired application for a reliable evaluation. A DIP adapter section is provided to enable (...)
User guide: PDF | HTML
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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
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Simulation model

INA143 TINA-TI Reference Design (Rev. B)

SBOC153B.TSC (102 KB) - TINA-TI Reference Design
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Simulation model

INA143 TINA-TI Spice Model (Rev. A)

SBFC025A.ZIP (4 KB) - TINA-TI Spice Model
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Simulation model

INA143 and INA2143 PSpice Model (Rev. B)

SBOC051B.ZIP (23 KB) - PSpice Model
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Calculation tool

ANALOG-ENGINEER-CALC — PC software 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 (...)

Supported products & hardware

Supported products & hardware
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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 (...)
User guide: PDF
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