ACS715 查看數據表（PDF） - Allegro MicroSystems
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ACS715 Datasheet PDF : 13 Pages
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ACS715
Automotive Grade, Fully Integrated, Hall Effect-Based Linear Current Sensor
with 2.1 kVRMS Voltage Isolation and a Low-Resistance Current Conductor
Characteristic Performance
IP = 30 A, unless otherwise specified
Mean Supply Current versus Ambient Temperature
10.1
Supply Current versus Supply Voltage
10.8
10.0
10.6
9.9
90.8
VCC = 5 V
10.4
10.2
VCC = 5 V
9.7
10.0
9.6
9.8
9.5
9.6
9.4
-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
9.4
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
0.35
0.30
0.25
0.20
0.15
VCC = 5 V
0.10
0.05
0
–50 –25 0
25 50 75 100 125 150
TA (°C)
Sensitivity versus Ambient Temperature
133.5
6
133.0
4
132.5
2
132.0
0
131.5
–2
131.0
–4
130.5
–6
130.0
–8
–50 –25 0
25 50 75 100 125 150
TA (°C)
Output Voltage versus Sensed Current
5.0
4.5
4.0
3.5
VCC = 5 V
3.0
2.5
2.0
1.5
1.0
0.5
TA (°C)
–40
–20
25
85
125
0
0
5
10 15 20 25 30 35
IP (A)
0 A Output Voltage versus Ambient Temperature
5140
5120
5100
5080
5060
IP = 0 A
5040
5020
5000
4980
4960
4940
-50 -25 0 25 50 75 100 125 150
TA (°C)
129.5
–50 –25 0
25 50 75 100 125 150
TA (°C)
Sensitivity versus Sensed Current
140
139
138
137
136
135
134
133
132
131
130
129
128
127
126
125
0
TA (°C)
–40
25
85
150
5
10 15 20 25 30 35
Ip (A)
0 A Output Voltage Current versus Ambient Temperature
0
–5
–10
–15
IP = 0 A
–20
–25
–30
–35
-50 -25 0
25 50 75
TA (°C)
100 125 150
Allegro MicroSystems, Inc.
8
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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