ACS712 Current Sensor

Description

ACS712 Hall Effect Based Linear Current Sensor (+/- 20AMP) – ACS712ELCTR-20A-T – SOIC8 – Allegro Microsystems The Allegro ACS712 provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. The device package allows for easy implementation by the customer. Typical applications include motor control, load detection and management, switched-mode power supplies, and overcurrent fault protection. The device is not intended for automotive applications. Features 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 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 Specifications Attribute Value Category Sensors/Current Sensors Datasheet Allegro MicroSystems, LLC ACS712ELCTR-20A-T Package SOIC-8 Operating Temperature -40℃~+85℃ Current Range 20A Supply Voltage 5V