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INA241A, INA241B
SBOSA30B – MARCH 2022 – REVISED JULY 2023
INA241x –5 V to 110 V, Bidirectional, Ultra-Precise Current Sense Amplifier With Enhanced PWM Rejection
1 Features
• Enhanced PWM rejection optimized for systems subject to switching common-mode voltages
– Supports switching frequencies up to 125 kHz • Wide common-mode voltage:
– Operational voltage: −5 V to +110 V – Survival voltage: −20 V to +120 V • Bidirectional operation • High small signal bandwidth: 1.1 MHz (at all gains) • Slew rate: 8 V/µs • Step response settling time to 1%: 1 µs • Excellent CMRR
– 166 dB DC-CMRR – 104 dB AC-CMRR at 100 kHz – 89 dB AC-CMRR at 1 MHz • Accuracy:
– Gain error (maximum)
• Version A: ±0.01%, ±1 ppm/°C drift • Version B: ±0.
INA241A Datasheet
