Pmod ISNS20: 20A Current Sensor

Pmod ISNS20: 20A Current Sensor

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Product Description

The Digilent Pmod ISNS20 is a small current sense module with a digital SPI interface. The board combines an Allegro ACS722 Hall Effect current sensor with a 12-bit analog-to-digital converter from Texas Instruments. The Pmod ISNS20 is quick, accurate, and easy to use for a variety of applications.

Support Materials

DatasheetSchematics (PDF)

For all other material:

Resource Center

Features Include:

  • High accuracy current sensor
  • Measure current with 120Hz/20kHz/80kHz jumper selections
  • ±20A DC or AC input
  • Accurate to within ±2%
  • 12-bit ADC
  • Small PCB size for flexible designs 1.3 in × 0.8 in (3.3 cm × 2.0 cm)
  • 6-pin Pmod connector with SPI interface
  • Follows Digilent Pmod Interface Specification Type 2
  • Library and example code available in resource center


  • Current measurement
  • Power metering
  • Closed loop current control
  • Over-current protection


  • Pmod ISNS20
  • Custom antistatic Pmod packaging