asc712 current sensor

AC / DC 20A Current Sensing Module ACS712
     100 mV/A output sensitivity
     5. 0 V, single supply operation
     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
     Low-noise analog signal path
     Device bandwidth is set via the new 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
     1.2 mΩ internal conductor resistance