Information

High Accuracy, Galvanically Isolated Current Sensor IC
With Small Footprint SOIC8 Package
ACS722
3
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Thermal Characteristics
Characteristic Symbol Test Conditions* Value Units
Package Thermal Resistance
(Junction to Ambient)
R
θJA
Mounted on the Allegro 85-0593 evaluation board with 400 mm
2
of
4 oz. copper on each side, connected to pins 1 and 2, and to pins 3
and 4, with thermal vias connecting the layers. Performance values
include the power consumed by the PCB.
23 ºC/W
Package Thermal Resistance
(Junction to Lead)
R
θJL
Mounted on the Allegro ASEK 722 evaluation board. 5 ºC/W
*Additional thermal information available on the Allegro website.
Isolation Characteristics
Characteristic Symbol Notes Rating Unit
Dielectric Strength Test Voltage V
ISO
Agency type-tested for 60 seconds per UL 60950-1 (edition.
2). Production tested at V
ISO
for 1 second, in accordance
with UL 60950-1 (edition. 2).
2400 V
RMS
Working Voltage for Basic Isolation V
WVBI
Maximum approved working voltage for basic (single)
isolation according UL 60950-1 (edition 2).
420 V
PK or
VDC
297 V
RMS
Clearance D
cl
Minimum distance through air from IP leads to signal leads. 3.9 mm
Creepage D
cr
Minimum distance along package body from IP leads to
signal leads.
3.9 mm
Absolute Maximum Ratings
Characteristic Symbol Notes Rating Units
Supply Voltage V
CC
6 V
Reverse Supply Voltage V
RCC
–0.1 V
Output Voltage V
IOUT
25 V
Reverse Output Voltage V
RIOUT
–0.1 V
Operating Ambient Temperature T
A
Range L –40 to 150 °C
Junction Temperature T
J
(max) 165 °C
Storage Temperature T
stg
–65 to 165 °C
SPECIFICATIONS