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ACS712 Current Sensor- 20A

ACS712 Current Sensor- 20A

The ACS712 sensor reads the current value and converts it into a relevant voltage value. The measurement sensitivity for 20A model is 100mV/A. The sensor can measure positive and negative currents (range -20A -- +20A), and power supply is 5V for the sensor, and the middle sensing voltage is 2.5V when no current.


  • Low-noise analog signal path
  • 5 μs output rise time in response to step input current
  • 80 kHz bandwidth
  • Total output error 1.5% at TA= 25°C
  • 5.0V single supply operation
  • Package List:

  • 1 x ACS712 Current Sensor- 20A
  • Documents:

  • Schematic
  • Demo code
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    • Views: 13237
    • Product Code: MSE71220A
    • Availability: In Stock
    • $1.20
    This product has a minimum quantity of 21