Overview

Features and Benefits

  • 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 +36 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 x 1.9 mm WLCSP
  • Common-mode rejection ratio (CMRR): 86 dB, dc to 10 kHz

Product Details

The AD8417-2 is a high-voltage, high-resolution dual-channel current shunt amplifier. It features an initial gain of 60 V/V and 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 AD8417-2 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 2× channel density, and a lower cost per channel without compromising performance.

APPLICATIONS

  • High-side current sensing in:
    • Motor controls
    • Solenoid controls
    • Power management
  • Low-side current sensing
  • Diagnostic protection
Related Devices
Part No. Description
AD8205 Current sense amplifier, gain = 50
AD8206 Current sense amplifier, gain = 20
AD8207 High accuracy current-sense amplifier, gain = 20
AD8210 High speed current sense amplifier, gain = 20
AD8417 High accuracy current sense amplifier, gain = 60
AD8418 High accuracy current sense amplifier, gain = 20

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This product has been released to the market. The data sheet contains all final specifications and operating conditions. For new designs, ADI recommends utilization of these products.

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