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INA180 - current-sense amplifiers

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General Description

The INA180, INA2180, and INA4180 (INAx180) current sense amplifiers are designed for costoptimized applications.

These devices are part of a family of current-sense amplifiers (also called currentshunt monitors) that sense voltage drops across current-sense resistors at common-mode voltages from –0.2 V to +26 V, independent of the supply voltage.

The INAx180 integrate a matched resistor gain network in four, fixed-gain device options: 20 V/V, 50 V/V, 100 V/V, or 200 V/V.

Overview

INA180, INA2180, INA4180 SBOS741H – APRIL 2017 – REVISED JULY 2022 INAx180 Low- and High-Side Voltage Output, Current-Sense Amplifiers.

Key Features

  • Common-mode range (VCM):.
  • 0.2 V to +26 V.
  • High bandwidth: 350 kHz (A1 devices).
  • Offset voltage:.
  • ±150 µV (maximum) at VCM = 0 V.
  • ±500 µV (maximum) at VCM = 12 V.
  • Output slew rate: 2 V/µs.
  • Accuracy:.
  • ±1% gain error (maximum).
  • 1-µV/°C offset drift (maximum).
  • Gain options:.
  • 20 V/V (A1 devices).
  • 50 V/V (A2 devices).
  • 100 V/V (A3 devices).
  • 200 V/V (A4 devices).

More Datasheets from Texas Instruments

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