INA132

ACTIVE

Low Power, Single-Supply Difference Amplifier

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Product details

Parameters

Number of channels (#) 1 Vs (Min) (V) 2.7 Vs (Max) (V) 36 CMRR (Min) (dB) 76 Common mode input low (Min) (V) -15 Common mode input high (Max) (V) 28 Input offset (+/-) (Max) (uV) 250 Iq (Typ) (mA) 0.16 Small signal bandwidth (Typ) (MHz) 0.3 Slew rate (Typ) (V/us) 0.1 Gain (Min) (V/V) 1 Gain (Max) (V/V) 1 Gain error (+/-) (Max) (%) 0.075 Rating Catalog Operating temperature range (C) -40 to 85 Gain drift (Max) (ppm/C) 1 open-in-new Find other Difference amplifiers

Package | Pins | Size

SOIC (D) 8 19 mm² 3.91 x 4.9 open-in-new Find other Difference amplifiers

Features

  • LOW QUIESCENT CURRENT: 160mA
  • WIDE SUPPLY RANGE
    • Single Supply: 2.7V to 36V
    • Dual Supplies: ±1.35V to ±18V
  • LOW GAIN ERROR: ±0.075% max
  • LOW NONLINEARITY: 0.001% max
  • HIGH CMR: 90dB
  • HIGHLY VERSATILE CIRCUIT
  • EASY TO USE
  • LOW COST
  • 8-PIN DIP AND SO-8 PACKAGES

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Description

The INA132 is a low power, unity-gain differential amplifier consisting of a precision op amp with a precision resistor network. The on-chip resistors are laser trimmed for accurate gain and high commonmode rejection. Excellent TCR tracking of the resistors maintains gain accuracy and common-mode rejection over temperature. The internal op amp’s common-mode range extends to the negative supply—ideal for single-supply applications. It operates on single (2.7V to 36V) or dual supplies (±1.35V to ±18V).

The differential amplifier is the foundation of many commonly used circuits. The INA132 provides this circuit function without using an expensive precision resistor network. The INA132 is available in 8-pin DIP and SO-8 surface-mount packages and is specified for operation over the extended industrial temperature range, −40°C to +85°C.

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Technical documentation

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Type Title Date
* Datasheet Low Power, Single-Supply Difference Amplifier datasheet Sep. 27, 2000
User guides Universal Difference Amplifier Evaluation Module User's Guide Oct. 16, 2018
White papers The Signal e-book: A compendium of blog posts on op amp design topics Mar. 28, 2017
Application notes High-Voltage Signal Conditioning for Low-Voltage ADCs (Rev. B) May 18, 2015
Technical articles Difference Amplifiers—the need for well-matched resistors Apr. 24, 2012
Application notes High-Voltage Signal Conditioning for Low Voltage ADCs Jun. 15, 2004
Application notes Precision Absolute Value Circuits Oct. 02, 2000

Design & development

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

Hardware development

EVALUATION BOARDS Download
document-generic User guide
25
Description
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 (...)
Features
  • Intuitive jumper configuration as difference amplifier, precision gain amplifier, or current source
  • Socketed IC connection for multi-package evaluation and easy comparison between devices
  • 6 DIP adapter boards supporting SOIC and MSOP packages
  • Onboard reference buffer for single supply operation
EVALUATION BOARDS Download
document-generic User guide
Description

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 (...)

Features
  • Simplifies prototyping of SMT IC’s
  • Supports 6 common package types
  • Low Cost

Design tools & simulation

SIMULATION MODELS Download
SBOC147B.TSC (81 KB) - TINA-TI Reference Design
SIMULATION MODELS Download
SBOM025A.ZIP (39 KB) - PSpice Model
SIMULATION MODELS Download
SBOM216A.ZIP (5 KB) - TINA-TI Spice Model
SIMULATION TOOLS Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — 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 (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SIMULATION TOOLS Download
SPICE-based analog simulation program
TINA-TI 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 (...)
document-generic User guide

Reference designs

REFERENCE DESIGNS Download
PM2.5 and PM10 Particle Sensor Analog Front-End for Air Quality Monitoring Reference Design
TIDA-00378 The TIDA-00378 TI Design provides an analog front-end solution for measuring PM2.5 and PM10 particle matter. The design detects the light scattered by particles suspended in air. A sample software algorithm is provided to convert the analog output of the design into a particle size and concentration (...)
document-generic Schematic document-generic User guide

CAD/CAE symbols

Package Pins Download
SOIC (D) 8 View options

Ordering & quality

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