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INA381
SBOS848B – DECEMBER 2017 – REVISED OCTOBER 2019
INA381 26-V, High-Speed, Current Sense Amplifier With Integrated Comparator
1 Features
•1 Common-mode input range: –0.
2 V to +26 V • High accuracy amplifier:
– Offset
voltage at TA = 25°C – 500 µV (maximum) at VCM = 12 V – 150 µV (maximum) at VCM = 0 V
– Offset
voltage drift: 1 µV/°C (maximum) – Gain error: 1% (maximum) at 25°C – Gain error drift: 20 ppm/°C (maximum) • Available amplifier gains: – INA381A1: 20 V/V – INA381A2: 50 V/V – INA381A3: 100 V/V – INA381A4: 200 V/V • Open-drain comparator: – Hysteresis: 50 mV – Propagation delay: 400 ns (typ) –...