TESTtz

ACS712
Fully Integrated, Hall Effect-Based Linear Current Sensor with
2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
Characteristic Performance
I P = 30 A, Sens = 66 mV/A unless otherwise specified
Mean I CC (mA)
Mean Supply Current versus Ambient Temperature
V CC = 5 V
10.0
9.5
9.0
8.5
8.0
7.5
7.0
6.5
6.0
-50 0 50 100 150 200
T A (°C)
Magnetic Offset Current versus Ambient Temperature
I CC (mA)
Supply Current versus Supply Voltage
10.5
10.3
10.1
9.9
9.7
9.5
9.3
9.1
8.9
8.7
8.5
4.5 4.6 4.7 4.8 4.9 5 5.1 5.2 5.3 5.4 5.5
V CC (V)
Nonlinearity versus Ambient Temperature
V ERROM (mV)
1.00
0.80
0.60
0.40
0.20
0
-50 0 50 100 150 200
T A (°C)
E LIN (%)
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
-50 0 50 100 150 200
T A (°C)
Mean Total Output Error versus Ambient Temperature
Mean E TOT (%)
5.0
4.0
3.0
2.0
1.0
0.0
-1.0
-2.0
-3.0
-4.0
-5.0
-50 0 50 100 150 200
T A (°C)
Output Voltage versus Sensed Current
Sensitivity versus Sensed Current
V IOUT (V)
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
T A (°C)
150
85
25
-40
50.0
-30 -20 -10 0 10 20 30 -30 -20 -10 0 10 20 30
Ip (A)
Ip (A)
Sens (mV/A)
75.0
70.0
65.0
60.0
55.0
T A (°C)
85
25
-40
Allegro MicroSystems, Inc.
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com