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INA2191

Texas Instruments
Part Number INA2191
Manufacturer Texas Instruments
Description Ultra-Precise Current Sense Amplifier
Published May 1, 2022
Detailed Description INA191, INA2191 SLYS020C – FEBRUARY 2019 – REVISED AUGUST 2021 INAx191 40-V, Bidirectional, Ultra-Precise Current Sense ...
Datasheet PDF File INA2191 PDF File

INA2191
INA2191

Overview
INA191, INA2191 SLYS020C – FEBRUARY 2019 – REVISED AUGUST 2021 INAx191 40-V, Bidirectional, Ultra-Precise Current Sense Amplifier With picoamp IB and ENABLE in WCSP Package 1 Features • Low power: – Supply voltage, VS: 1.
7 V to 5.
5 V – Shutdown current: 100 nA (max INA191) – Quiescent current: 43 μA at 25 °C (INA191) • Low input bias currents: 100 pA (typical) (enables microamp current measurement) • Bidirectional current measurement (INA2191) • Accuracy: – ±0.
25% max gain error (A2 to A5 devices) – 7-ppm/°C gain drift (maximum) – ±12 μV (maximum) offset voltage – 0.
13-μV/°C offset drift (maximum) • Wide common-mode voltage: –0.
2 V to +40 V • Gain options: – INAx191A1: 25 V/V – INAx191A2: 50 V/V – INAx191A3: 100 V/V – INAx191A4: 200 V/V – INAx191A5: 500 V/V • Packages: – INA191: 0.
895-mm2 DSBGA – INA2191: 1.
79-mm2 DSBGA 2 Applications • Notebook computers • Cell phones • Battery-powered devices • Telecom equipment • Power management • Battery chargers Bus Voltage up to 40 V RSENSE ...


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