CURRENT SENSOR ACS 712 30A

The ACS712 30A Current Sensor Module uses a Hall-effect IC to accurately measure AC or DC currents up to 30A. Outputs an analog voltage proportional to the measured current, readable directly by Arduino or any microcontroller ADC. Factory-trimmed for accuracy with extremely stable offset voltage and near-zero magnetic hysteresis.

Features:

1. Measures AC and DC currents up to 30A
2. Analog voltage output proportional to current
3. 5V single-supply operation
4. Output sensitivity: 66mV/A (30A variant)
5. 5µs output rise time for step input current
6. 2.1kV RMS isolation (pins 1–4 to pins 5–8)
7. Configurable bandwidth via FILTER pin
8. Low-noise analog signal path

Applications:

• Over-current protection circuits
• Battery chargers and switching power supplies
• Digital watt meters
• Programmable current sources