ACS712_V13 View Datasheet(PDF) - Allegro MicroSystems
Part Name
Description
Manufacturer
ACS712_V13 Datasheet PDF : 14 Pages
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ACS712
Fully Integrated, Hall Effect-Based Linear Current Sensor IC
with 2.1 kVRMS Isolation and a Low-Resistance Current Conductor
Characteristic Performance
IP = 5 A, unless otherwise specified
Mean Supply Current versus Ambient Temperature
10.30
10.25
10.20
10.15
10.10
10.05
10.00
VCC = 5 V
9.95
9.90
9.85
9.80
9.75
-50 -25 0 25 50 75 100 125 150
TA (°C)
Magnetic Offset versus Ambient Temperature
0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
VCC = 5 V; IP = 0 A,
After excursion to 20 A
–3.5
–4.0
–4.5
–5.0
-50 -25 0
25 50 75 100 125 150
TA (°C)
Mean Total Output Error versus Ambient Temperature
8
6
4
2
0
–2
–4
–6
–8
–50 –25 0
25 50 75 100 125 150
TA (°C)
Output Voltage versus Sensed Current
4.0
3.5
3.0
VCC = 5 V
2.5
2.0
TA (°C)
–40
1.5
25
1.0
85
150
0.5
0
–7 –6 –5 –4 –3 –2 –1 0 1 2 3 4 5 6 7
IP (A)
0 A Output Voltage versus Ambient Temperature
2520
Supply Current versus Supply Voltage
10.9
10.8
10.7
10.6
10.5
VCC = 5 V
10.4
10.3
10.2
10.1
10.0
4.5 4.6 4.7 4.8 4.9 5.0 5.1 5.2 5.3 5.4 5.5
VCC (V)
Nonlinearity versus Ambient Temperature
0.6
0.5
0.4
VCC = 5 V
0.3
0.2
0.1
0
–50 –25 0
25 50 75 100 125 150
TA (°C)
Sensitivity versus Ambient Temperature
186.5
186.0
185.5
185.0
184.5
184.0
183.5
183.0
182.5
182.0
181.5
181.0
–50 –25 0
25 50 75 100 125 150
TA (°C)
Sensitivity versus Sensed Current
200.00
190.00
180.00
170.00
160.00
150.00
140.00
130.00
120.00
TA (°C)
–40
25
85
150
110.00
100.00
-6
-4
-2
0
2
4
6
Ip (A)
0 A Output Voltage Current versus Ambient Temperature
0.20
2515
0.15
2510
IP = 0 A
0.10
IP = 0 A
2505
0.05
2500
0
2495
–0.05
2490
–0.10
2485
-50 -25 0
25 50 75 100 125 150
TA (°C)
–0.15
-50 -25 0
25 50 75
TA (°C)
100 125 150
Allegro MicroSystems, Inc.
6
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
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