Information
High Accuracy, Galvanically Isolated Current Sensor IC
With Small Footprint SOIC8 Package
ACS722
14
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
Zero Current Output Voltage vs. Temperature
Offset Voltage vs. Temperature
Sensitivity vs. Temperature
Nonlinearity vs. Temperature
Total Error at I vs. Temperature
PR(max)
Sensitivity Error vs. Temperature
Temperature (ºC)
Offset Voltage (mV)
-50
-50
-50
-50
-50
-50
0
0
0
0
0
0
50
50
50
50
50
50
100
100
100
100
100
100
150
150
150
150
150
150
Temperature (ºC)
65
1634 1634
-4
65
1636 1636
-3
66
1638 1638
-2
67
1640 1640
-1
68
1648 1648
2
1644 1644
0
69
1650 1650
3
67
1646 1646
1
69
1652 1652
5
V (mV)
IOUT(Q)
Temperature (ºC)
Sensitivity (mV/A)
Temperature (ºC)
Sensitivity Error (%)
Temperature (ºC)
Total Error (%)
Temperature (ºC)
Nonlinearity (%)
-1.00
-6
-0.80
-4
-0.40
-2
-0.20
0.00
0
0.20
0.80
4
0.60
1.00
6
+3 Sigma Average -3 Sigma
0.40
2
-0.60
68
66
4
1642 1642
xLLCTR-20AB Key Parameters