High-Accuracy, Galvanically Isolated Current Sensor IC with Pin-Selectable Bandwidth

ACS722

Markets Served

These parts are in production but have been determined to be NOT FOR NEW DESIGN. Please refer to ACS37002 or ACS725 in MA Package, and ACS71240 or ACS37010 or ACS725 in LC Package for new designs.

The ACS722 provides precise current measurements for AC or DC current, featuring pin-selectable bandwidth (80kHz or 20kHz), galvanic isolation, and a small footprint for space-constrained applications. Operates at 3.3V.

Product Details

Top Features

UL60950-1 (ed. 2) certified
- Dielectric Strength Voltage
  - ACS722LLC: 2.4 kVrms
  - ACS722KMA: 4.8 kVrms
- Basic Isolation Working Voltage
  - ACS722LLC: 420 Vpk or VDC / 297 Vrms
  - ACS722KMA: 1550 Vpk / 1097 Vrms or VDC
- Reinforced Isolation Working Voltage
  - ACS722KMA: 800 Vpk / 565 Vrms or VDC
Primary conductor resistance for low power loss and high inrush current withstand capability
- ACS722LLC: 0.65 mΩ
- ACS722KMA: 0.85 mΩ
Packages:
- ACS722LLC: Small footprint, low-profile SOIC8 package suitable for space-constrained applications
- ACS722KMA: Low-profile SOIC16 wide-body package suitable for space-constrained, high isolation applications
3 to 3.6 V, single supply operation
Ratiometric output from supply voltage