ACS712 Allegro MicroSystems, Inc., ACS712 Datasheet - Page 6
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ACS712
Manufacturer Part Number
ACS712
Description
Fully Integrated, Hall Effect-based Linear Current Sensor With 2.1 Kvrms Voltage Isolation And A Low-resistance Current Conductor
Manufacturer
Allegro MicroSystems, Inc.
Datasheet
1.ACS712.pdf
(14 pages)
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ACS712
Mean Total Output Error versus Ambient Temperature
Mean Supply Current versus Ambient Temperature
10.30
10.25
10.20
10.15
10.10
10.05
10.00
0 A Output Voltage versus Ambient Temperature
2520
2515
2510
2505
2500
2495
2490
2485
9.95
9.90
9.85
9.80
9.75
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
Magnetic Offset versus Ambient Temperature
–2
–4
–6
–8
-50
-50
-50
0
8
6
4
2
0
0
–50
–7 –6 –5 –4 –3 –2 –1 0
Output Voltage versus Sensed Current
-25
-25
-25
–25
V
After excursion to 20 A
V
CC
0
0
CC
0
0
= 5 V; I
= 5 V
25
25
25
25
V
CC
P
= 0 A,
= 5 V
T
T
T
T
I
A
A
A
50
50
50
P
50
A
I
(°C)
(°C)
(°C)
2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
(A)
P
(°C)
= 0 A
1
75
75
75
75
2
3
100
100
100
100
T
A
4
(°C)
–40
150
Fully Integrated, Hall Effect-Based Linear Current Sensor with
25
85
125
125
125
125
5
6
Characteristic Performance
150
150
150
150
7
I
P
= 5 A, unless otherwise specified
0 A Output Voltage Current versus Ambient Temperature
200.00
190.00
180.00
170.00
160.00
150.00
140.00
130.00
120.00
110.00
100.00
186.5
186.0
185.5
185.0
184.5
184.0
183.5
183.0
182.5
182.0
181.5
181.0
–0.05
–0.10
–0.15
10.9
10.8
10.7
10.6
10.5
10.4
10.3
10.2
10.1
10.0
0.20
0.15
0.10
0.05
0.6
0.5
0.4
0.3
0.2
0.1
-50
0
–50
0
–50
4.5
-6
Nonlinearity versus Ambient Temperature
Sensitivity versus Ambient Temperature
Supply Current versus Supply Voltage
Sensitivity versus Sensed Current
4.6
-25
–25
–25
-4
4.7
0
V
0
0
CC
4.8
V
-2
CC
= 5 V
25
25
25
= 5 V
4.9
T
V
T
T
T
A
Ip (A)
5.0
50
CC
50
50
A
A
A
0
(°C)
115 Northeast Cutoff
1.508.853.5000; www.allegromicro.com
Allegro MicroSystems, Inc.
Worcester, Massachusetts 01615-0036 U.S.A.
(°C)
–40
150
(°C)
(°C)
(V)
25
85
5.1
75
75
75
I
P
2
= 0 A
5.2
100
100
100
5.3
4
125
125
125
5.4
150
150
5.5
150
6
6