AD8417

Data Sheet Bidirectional, Zero Drift, Current Sense Amplifier AD8417 FEATURES Typical 0.1 µV/°C offset drift Maximum ±400 µV voltage offset over full temperature range 2.7 V to 5.5 V power supply operating range EMI filters included High common-mode input voltage range −2 V to +70 V continuous −3 V to +80 V survival Initial gain = 60 V/V Wide operating temperature range AD8417WB (8-lead MSOP, 8-lead SOIC_N, and 10-lead MSOP) and AD8417B (8-lead MSOP): −40°C to +125°C AD8417WH (8-lead SOIC_N and 8-lead MSOP): −40°C to +150°C Bidirectional operation Available in 8-lead SOIC_N, 8-lead MSOP, and FMEA tolerant 10-lead MSOP pinout CMRR: 86 dB, dc to 10 kHz AEC-Q100 qualified for automotive applications APPLICATIONS High-side current sensing in Motor controls Solenoid controls Power management Low-side current sensing Diagnostic protection GENERAL DESCRIPTION The AD8417 is a high voltage, high resolution current sense amplifier. It features an initial gain of 60 V/V, with a maximum ±0.3% gain error over the entire temperature range. The buffered output voltage directly interfaces with any typical converter. The AD8417 offers excellent input common-mode rejection from −2 V to +70 V. The AD8417 performs bidirectional current measurements across a shunt resistor in a variety of automotive and industrial applications, including motor control, power management, and solenoid control. The AD8417 offers breakthrough performance throughout the −40°C to +150°C temperature range (AD8417WH)....