ACS715 データシートの表示（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 = 20 A, unless otherwise specified
Mean Supply Current versus Ambient Temperature
10.5
10.4
10.3
10.2
10.1
VCC = 5 V
10.0
9.9
9.8
9.7
9.6
-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
10
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
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
5250
Supply Current versus Supply Voltage
11.2
11.0
10.8
VCC = 5 V
10.6
10.4
10.2
10.0
9.8
9.6
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
0.10
0.05
0
–50 –25 0
25 50 75 100 125 150
TA (°C)
Sensitivity versus Ambient Temperature
188
187
186
185
184
183
182
–50 –25 0
25 50 75 100 125 150
TA (°C)
Sensitivity versus Sensed Current
200.00
198.00
196.00
194.00
192.00
190.00
188.00
186.00
184.00
182.00
TA (°C)
–40
180.00
25
178.00
85
176.00
150
174.00
0
5
10
15
20
25
Ip (A)
0 A Output Voltage Current versus Ambient Temperature
–19.75
5200
5150
IP = 0 A
–19.80
–19.85
IP = 0 A
5100
–19.90
5050
–19.95
5000
–20.00
4950
–20.05
4900
-50 -25 0
25 50 75 100 125 150
TA (°C)
–20.10
-50 -25 0
25 50 75
TA (°C)
100 125 150
Allegro MicroSystems, Inc.
7
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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