ACS715
Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor IC
with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
Characteristic Performance
I P = 30 A, unless otherwise specified
Mean Supply Current versus Ambient Temperature
10.1
10.0
9.9
10.8
10.6
10.4
Supply Current versus Supply Voltage
90.8
9.7
9.6
9.5
9.4
V CC = 5 V
10.2
10.0
9.8
9.6
9.4
-50
-25
0
25
50
75
100
125
150
4.5
4.6
4.7
4.8
4.9
5.0
5.1
5.2
5.3
5.4
5.5
T A (°C)
Magnetic Offset versus Ambient Temperature
0
–0.5
–1.0
–1.5
V CC (V)
Nonlinearity versus Ambient Temperature
0.35
0.30
0.25
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
V CC = 5 V; I P = 0 A,
After excursion to 20 A
0.20
0.15
0.10
0.05
0
V CC = 5 V
-50
-25
0
25
50
75
100
125
150
–50
–25
0
25
50
75
100
125
150
T A (°C)
Mean Total Output Error versus Ambient Temperature
8
6
4
2
0
–2
–4
–6
133.5
133.0
132.5
132.0
131.5
131.0
130.5
130.0
T A (°C)
Sensitivity versus Ambient Temperature
–8
–50
–25
0
25
50
75
100
125
150
129.5
–50
–25
0
25
50
75
100
125
150
T A (°C)
Output Voltage versus Sensed Current
T A (°C)
Sensitivity versus Sensed Current
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0
0
5
V CC = 5 V
10 15
20
I P (A)
25
T A (°C)
–40
–20
25
85
125
30
35
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
0
5
10
15
20
Ip (A)
25
T A (°C)
–40
25
85
150
30
35
0 A Output Voltage versus Ambient Temperature
514
512
510
0 A Output Voltage Current versus Ambient Temperature
0.080
0.060
508
506
504
I P = 0 A
0.040
0.020
I P = 0 A
502
500
498
496
494
0
-0.020
-0.040
-50
-25
0
25
50
75
100
125
150
-50
-25
0
25
50
75
100
125
150
T A (°C)
T A (°C)
Allegro MicroSystems, LLC
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
8
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