Automotive Grade, Fully Integrated, Hall-Effect-Based Linear Current Sensor ICACS714with 2.1 kVRMS Voltage Isolation and Low-Resistance Current ConductorFunctional Block Diagram +5 V VCC (Pin 8) Hall Current Drive IP+ (Pin 1) Sense Temperature Coefficient Trim IP+ (Pin 2) fset Signal VIOUT Recovery (Pin 7) RF(INT) Dynamic Of Cancellation IP− (Pin 3) Sense Trim IP− (Pin 4) 0 Ampere Offset Adjust GND FILTER (Pin 5) (Pin 6) Pin-out Diagram IP+ 1 8 VCC IP+ 2 7 VIOUT IP– 3 6 FILTER IP– 4 5 GND Terminal List TableNumberNameDescription 1 and 2 IP+ Terminals for current being sampled; fused internally 3 and 4 IP– Terminals for current being sampled; fused internally 5 GND Signal ground terminal 6 FILTER Terminal for external capacitor that sets bandwidth 7 VIOUT Analog output signal 8 VCC Device power supply terminal 3 Allegro MicroSystems 955 Perimeter Road Manchester, NH 03103-3353 U.S.A. www.allegromicro.com