Hall-Effect Current Sensor Unit

      Hall-Effect Current Sensor Unit

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      This is a breakout board for the fully integrated Hall Effect based linear ACS712 current sensor. The sensor gives precise current measurement for both AC and DC signals. The ACS712 outputs an analog voltage output signal that varies linearly with sensed current. The device requires 5VDC for VCC and a couple of filter capacitors.


      • x05B (5 Amp) version
      • Low-noise analog signal path
      • Device bandwidth is set via the FILTER pin
      • 5 µs output rise time in response to step input current
      • 80 kHz bandwidth
      • Total output error 1.5% at TA = 25°C
      • Small footprint, low-profile SOIC8 package
      • 1.2 mΩ internal conductor resistance
      • 2.1 kVRMS minimum isolation voltage from pins 1-4 to pins 5-8
      • 5.0 V, single supply operation
      • 66 to 185 mV/A output sensitivity
      • Output voltage proportional to AC or DC currents
      • Factory-trimmed for accuracy
      • Extremely stable output offset voltage
      • Nearly zero magnetic hysteresis
      • Ratiometric output from supply voltage