Datasheet Texas Instruments INA181A1IDBVT — Ficha de datos

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Documents INA181, INA2181, INA4181
SBOS793C – APRIL 2017 – REVISED DECEMBER 2017 INAx181 Bidirectional, Low-and High-Side Voltage Output, Current-Sense Amplifiers
1 Features 3 Description The INA181, INA2181, and INA4181 (INAx181)
current sense amplifiers are designed for costoptimized applications. These devices are part of a
family of bidirectional, current-sense amplifiers (also
called current-shunt monitors) that sense voltage
drops across current-sense resistors at commonmode voltages from –0.2 V to +26 V, independent of
the supply voltage. The INAx181 family integrates a
matched resistor gain network in four, fixed-gain
device options: 20 V/V, 50 V/V, 100 V/V, or 200 V/V.
This matched gain resistor network minimizes gain
error and reduces the temperature drift. 1 Common-Mode Range (VCM): –0.2 V to +26 V
High Bandwidth: 350 kHz (A1 Devices)
Offset Voltage:
– ±150 µV (Max) at VCM = 0 V
– ±500 µV (Max) at VCM = 12 V
Output Slew Rate: 2 V/Вµs
Bidirectional Current-Sensing Capability …