INA281B3IDBVR Amplifier IC Chips
Current Sense 1.3MHz High Precision Current Sense Amplifier Package
SOT-23-5
Description:
The INA281 is a high-precision current sense amplifier that can
measure voltage drops across shunt resistors over a wide
common-mode range from –4 V to 110 V. The negative common-mode
voltage allows the device to operate below ground, thus
accommodating precise measurement of recirculating currents in
half-bridge applications. The combination of a low offset voltage,
small gain error and high DC CMRR enables highly accurate current
measurement. The INA281 is not only designed for DC current
measurement, but also for high-speed applications (like fast
overcurrent protection, for example) with a high bandwidth of 1.3
MHz and an 65-dB AC CMRR (at 50 kHz).
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