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AD8215:  High Voltage, Current Shunt Monitor

The AD8215 is a high voltage, precision current shunt monitor. It features a set gain of 20 V/V, with a maximum ±0.3% gain error over the entire temperature range. The buffered output voltage directly interfaces with any typical converter. Excellent common-mode rejection from −2 V to +65 V is independent of the 5 V supply. The AD8215 performs unidirectional current measurements across a shunt ...More

AD8215:  High Voltage, Current Shunt Monitor

Product Description

The AD8215 is a high voltage, precision current shunt monitor. It features a set gain of 20 V/V, with a maximum ±0.3% gain error over the entire temperature range. The buffered output voltage directly interfaces with any typical converter. Excellent common-mode rejection from −2 V to +65 V is independent of the 5 V supply. The AD8215 performs unidirectional current measurements across a shunt resistor in a variety of industrial and automotive applications, such as motor controls, solenoid controls, or battery management.

Special circuitry is devoted to output linearity being maintained throughout the input differential voltage range of 0 mV to 250 mV, regardless of the common-mode voltage present. The AD8215 has an operating temperature range of −40°C to +125°C and is offered in a small 8-lead SOIC_N package.

Applications

  • High-side current sensing
  • Motor controls
  • Transmission controls
  • Engine management
  • Suspension controls
  • Vehicle dynamic controls
  • DC-to-dc converters

    • RESOURCES & TOOLS

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    • ±4000 V HBM ESD
    • High common-mode voltage range
      −2 V to +65 V operating
      −3 V to +68 V survival
    • Buffered output voltage
    • Wide operating temperature range
      8-Lead SOIC_N: −40°C to +125°C
    • Excellent ac and dc performance
      6 μV/°C typical offset drift
      −8 ppm/°C typical gain drift
      120 dB typical CMRR at dc
    • Single/Dual Supply: Single
    • Voltage Supply (Vmax) : +5.5V
    • Gain Setting Method: fixed
    • Gain Range (min to max): 20
    • Bandwidth G=10 (kHz typ): 450kHz
    • CMRR (dB): 100dB
    • Vnoise RTI 1-10 Hz µVp-p : 7µV p-p
    • Temperature Range: -40 to +125
    • Supply Current : 2.2mA
    • Package: SOIC
    • Vosi (µV): 1000µV

    Functional Block Diagram for AD8215

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