ACS712ELCTR-30A
Overview
The ACS712ELCTR-30A is a fully integrated, Hall effect-based linear current sensor designed for AC or DC current sensing up to 30A. It features a low-resistance integrated copper conduction path that allows for minimal power loss during operation while providing 2.1kV RMS isolation. The device outputs an analog voltage ratiometric to the input current with a sensitivity of 66mV/A.
Why Choose This Part
The SOIC-8 package minimizes PCB footprint while maintaining an internal conductor resistance of only 1.2 milliohms. Its Hall-effect technology provides inherent galvanic isolation and eliminates the need for expensive high-side differential amplifiers or bulky shunt resistors. The device is factory-trimmed to achieve a low 1.5 percent error rate and features a nearly zero magnetic hysteresis output.
Applications
Key Specifications
Getting Started
To implement this sensor, connect pins 1-2 and 3-4 to the high-current path and interface the VOUT pin to a 5V ADC input on a microcontroller. Since the output is ratiometric, ensure your ADC reference voltage is stable or derived from the same VCC as the sensor for best accuracy. Add a 0.1uF bypass capacitor near the VCC pin and a filter capacitor on the FILT pin to set the desired signal bandwidth.
