The Allegro™ACS711 provides economical and precise solutions for AC or DC current sensing in <100 V audio, communications systems, and white goods. The device package allows for easy implementation by the customer. Typical applications include circuit protection, current monitoring, and motor and inverter control.
Feature
and Benefits No external sense resistor required; single package solution Reduced Power Loss: 0.6 mΩinternal conductor resistance on EX package 1.2 mΩinternal conductor resistance on LC package Economical low- and high-side current sensing Output voltage proportional to AC or DC currents ±12.5 A and ±25 A full scale sensing ranges on LC package ±15.5 A and ±31 A full scale sensing ranges on EX package Overcurrent ¯F¯ ¯A¯ ¯U¯ ¯L¯ ¯T¯trips and latches at 100% of full-scale current Low-noise analog signal path 100 kHz bandwidth Small footprint, low-profile SOIC8 and QFN packages 3.0 to 5.5 V, single supply operation Integrated electrostatic shield for output stability Factory-trimmed for accuracy Extremely stable output offset voltage Zero magnetic hysteresis Ratiometric output from supply voltage
