ACS714 データシートの表示（PDF） - Allegro MicroSystems
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ACS714 Datasheet PDF : 19 Pages
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ACS714
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
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
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 75 100 125 150
TA (°C)
Allegro MicroSystems, LLC
9
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
www.allegromicro.com
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