AD8417-2 Datasheet

• 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
• Electromagnetic interference (EMI) filters included
• High common-mode input voltage range
  • −2 V to +42 V continuous
• Initial gain = 60 V/V
• Wide operating temperature range: −40°C to +125°C
• Bidirectional operation
• Dual channel in a small 1 mm × 1.9 mm WLCSP
• Common-mode rejection ratio (CMRR): 86 dB, dc to 10 kHz

• High-side current sensing in:
  • Motor controls
  • Solenoid controls
  • Power management
• Low-side current sensing
• Diagnostic protection

The AD8417-2 is a high voltage, high resolution, and dual channel 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 AD8417-2 performs bidirectional current measurements across a shunt resistor in a variety of applications, including motor control, power management, and solenoid control.

The AD8417-2 offers breakthrough performance throughout the −40°C to +125°C temperature range. It features a zero drift core, which leads to a typical offset drift of 0.1 μV/°C throughout the operating temperature range and the common-mode voltage range. The device includes EMI filters and patented circuitry to enable output accuracy with pulse-width modulation (PWM) type input common-mode voltages. The typical input offset voltage is ±200 μV.

The AD8417-2 is offered in a small 10-ball 1 mm × 1.9 mm WLCSP. It requires a smaller board area than a typical single-channel current sense amplifier, increasing channel density, without compromising performance.