AD8411AWBRMZ

AD8411AWBRMZ is a high-voltage, high-bandwidth current-sense amplifier. The buffered output voltage directly interfaces with any typical converter. This performs bidirectional current measurements across a shunt resistor in various industrial and automotive applications. The device includes circuitry to achieve a wide input common-mode range and balanced input bias currents, regardless of input differential voltage or common-mode voltage, and circuitry to achieve ultra-low CMRR drift. The device also includes circuitry to enable output accuracy in the presence of pulse-width modulation (PWM) type input common mode voltages. Application includes in-phase or High-side current sensing in, BLDC motors, Low-inductance motors, bidirectional 48 V to 12 V DC-DC converters, solenoid controls, power rail monitoring, low-side current sensing.

• 2.7MHz typical small signal, -3dB bandwidth (TA = 25°C)
• In-package trim core (DigiTrim™), precision without chopping and/or auto-zero
• Voltage offset over temperature is ±200µV (typical, TA = −40°C to +125°C, supply voltage (VS) = 5V)
• Operating voltage range from 2.9V to 5.5V
• 142dB typ common-mode rejection ratio (Specified temperature range, DC, VCM = -2 to +70V)
• Wide common-mode input voltage range from -2 to +70V (common mode, continuous)
• 50V/V typical initial gain (TA = -40°C to +125°C, supply voltage (VS) = 5V)
• Bidirectional operation, AEC-Q100 automotive qualified
• 10V/µs typical slew rate (TA = 25°C, supply voltage (VS) = 5V)
• 8 lead MSOP package, wide operating temperature range from -40°C to +125°C

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