ACS722
High Accuracy, Galvanically Isolated Current Sensor IC
With Small Footprint SOIC8 Package
VCC
Master Current
Supply
To All Subcircuits
POR
Programming
Control
Hall
Current
Drive
Temperature
Sensor
EEPROM and
Control Logic
IP+
Offset
Control
Sensitivity
IP+
Control
Tuned
Filter
IP –
IP –
BW_SEL GND
Functional Block Diagram
VIOUT
Allegro MicroSystems, LLC
4
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com