AD8210

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High Voltage, Bidirectional Current Shunt Monitor

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Overview

  • ±4000 V HBM ESD
  • High common-mode voltage range
    −2 V to +65 V operating
    −5 V to +68 V survival
  • Buffered output voltage
  • 5 mA output drive capability
  • Wide operating temperature range:
    −40°C to +125°C
  • Ratiometric half-scale output offset
  • Excellent ac and dc performance
    1 μV/°C typical offset drift
    10 ppm/°C typical gain drift
    120 dB typical CMRR at dc
    80 dB typical CMRR at 100 kHz
  • Available in 8-lead SOIC

The AD8210 is a single-supply, difference amplifier ideal for amplifying small differential voltages in the presence of large common-mode voltages. The operating input common-mode voltage range extends from −2 V to +65 V. The typical supply voltage is 5 V. 

The AD8210 is offered in a SOIC package. The operating temperature range is −40°C to +125°C.

Excellent ac and dc performance over temperature keep errors in the measurement loop to a minimum. Offset drift and gain drift are guaranteed to a maximum of 8 μV/°C and 20 ppm/°C, respectively.

The output offset can be adjusted from 0.05 V to 4.9 V with a 5 V supply by using the VREF1 pin and the VREF2 pin. With the VREF1 pin attached to the V+ pin and the VREF2 pin attached to the GND pin, the output is set at half scale. Attaching both VREF1 and VREF2 to GND causes the output to be unipolar, starting near ground. Attaching both VREF1 and VREF2 to V+ causes the output to be unipolar, starting near V+. Other offsets can be obtained by applying an external voltage to VREF1 and VREF2.

Applications

  • Current sensing
  • Motor controls
    Transmission controls
    Diesel injection controls
    Engine management
    Suspension controls
    Vehicle dynamic controls
    DC-to-dc converters

AD8210
High Voltage, Bidirectional Current Shunt Monitor
AD8210 Functional Block Diagram AD8210 Pin Configuration
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Hardware Ecosystem

Parts Product Life Cycle Description
AD8410A RECOMMENDED FOR NEW DESIGNS −2 V to 70 V Wide Input Voltage Range, 2.2 MHz High Bandwidth, Current-Sense Amplifier with PWM Rejection and Gain 20 V/V
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Tools & Simulations


Reference Designs

CN0415
Robust, Closed-Loop Control and Monitoring System for Solenoid Actuators 
Circuit Diagram
EVAL-CN0415-ARDZ Evaluation Board
EVAL-CN0415-ARDZ Evaluation Board - Top View
EVAL-CN0415-ARDZ Evaluation Board - Bottom View

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