Current Sense Amplifiers Automotive AEC-Q100, -4-V to 110-V, 1.3-MHz current sense amplifier 5-SOT-23 -40 to 125

Sku: TT-MU-595-INA281B1QDBVRQ1

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Description of product

INA281/INA281-Q1 Current Sense Amplifier

Texas Instruments INA281/INA281-Q1 Current Sense Amplifier can measure voltage drops across shunt resistors over a wide common-mode range from –4V to 110V. 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 Texas Instruments INA281/INA281-Q1 is not only designed for DC current measurement but also high-speed applications (like fast over current protection, for example) with high bandwidth of 1.3MHz and a 65dB AC CMRR (at 50kHz).