INA190 Datasheet Precision Current-sense Amplifier

Manufacturer: Texas Instruments

Overview: Product Folder Order Now Technical Documents Tools & Software Support & Community INA190 SBOS863D – MARCH 2018 – REVISED NOVEMBER 2019 INA190 Bidirectional, Low-Power, Zero-Drift, Wide Dynamic Range, Precision.

Datasheet Details

Part number	INA190
Manufacturer	Texas Instruments
File Size	1.43 MB
Description	Precision Current-Sense Amplifier
Datasheet	INA190-etcTI.pdf

General Description

The INA190 is a low-power, voltage-output, currentshunt monitor (also called a current-sense amplifier).

This device is commonly used for overcurrent protection, precision current measurement for system optimization, or in closed-loop feedback circuits.

The INA190 can sense drops across shunts at commonmode voltages from –0.2 V to +40 V, independent of the supply voltage.

Key Features

1 Low input bias currents: 500 pA (typ) (enables microamp current measurement).
Low power:.
Low supply voltage, VS: 1.7 V to 5.5 V.
Low shutdown current: 100 nA (max).
Low quiescent current: 50 μA at 25°C (typ).
Accuracy:.
Common-mode rejection ratio: 132 dB (min).
Gain error: ±0.2% (A1 device).
Gain drift: 7 ppm/°C (max).
Offset voltage, VOS: ±15 μV (max).
Offset drift: 80 nV/°C (max).
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