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参数资料
| 型号： | ACS712ELCTR-20A-T |
| 厂商： | Allegro Microsystems Inc |
| 文件页数： | 12/15页 |
| 文件大小： | 0K |
| 描述： | SENSOR CURRENT 20A 5V BI 8-SOIC |
| 特色产品： | Allegro? ACS712 Current Sensor IC |
| 标准包装： | 1 |
| 电流 - 感应： | ±20A |
| 精确度： | ±1.5% |
| 灵敏度： | 96 ~ 104 mV/A |
| 电流 - 电源： | 10mA |
| 传感器类型： | 霍尔效应 |
| 电源电压： | 4.5 V ~ 5.5 V |
| 输出： | 2.5V |
| 频率： | 80kHz |
| 响应时间： | 5µs |
| 电极标记： | 双向 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 标准包装 |
| 产品目录页面： | 1140 (CN2011-ZH PDF) |
| 其它名称： | 620-1190-6 |
ACS712
Fully Integrated, Hall Effect-Based Linear Current Sensor IC
with 2.1 kVRMS Isolation and a Low-Resistance Current Conductor
Typical Applications
+5 V
V PEAK
+5 V
C BYP
0.1 μF
C2
0.1 μF
V RESET
C BYP
0.1 μF
R1
100 kΩ
IP+
R3
330 kΩ
IP+
I P
1
2
3
4
VCC
IP+ VIOUT
ACS712
IP– FILTER
IP–
GND
8
7
6
5
R F
10 kΩ
C OUT
0.1 μF
V OUT
R1
1 MΩ
C F
1 nF
R2
33 kΩ
R4
10 kΩ
U1 D1
LT1178 1N914
C1
0.1 μF
Q1
2N7002
I P
1
2
3
4
VCC
IP+ VIOUT
ACS712
IP– FILTER
IP–
GND
8
7
6
5
R2
100 kΩ
R F
1 kΩ
C F
0.01 μF
1
3
LM321
5
4
2
R3
3.3 kΩ
V OUT
C1
1000 pF
Application 3. This configuration increases gain to 610 mV/A
(tested using the ACS712ELC-05A).
Application 2. Peak Detecting Circuit
+5 V
+5 V
C BYP
C BYP
0.1 μF
R1
33 kΩ
IP+ VIOUT
IP– FILTER
IP–
R1
IP+
I P
0.1 μF
1 VCC
IP+
2
ACS712
3
4
GND
8
7
6
5
V OUT
R F
2 kΩ
10 kΩ
C F
1 nF
D1
1N4448W
C1
A-to-D
Converter
I P
1
2
3
4
VCC
IP+ VIOUT
ACS712
IP– FILTER
IP–
GND
8
7
6
5
R2
100 kΩ
V OUT
C F
1 nF
4
3
–
+
R PU
100 kΩ
5
1 Fault
2 U1
LMV7235
D1
1N914
Application 4. Rectified Output. 3.3 V scaling and rectification application
for A-to-D converters. Replaces current transformer solutions with simpler
ACS circuit. C1 is a function of the load resistance and filtering desired.
R1 can be omitted if the full range is desired.
Application 5. 10 A Overcurrent Fault Latch. Fault threshold set by R1 and
R2. This circuit latches an overcurrent fault and holds it until the 5 V rail is
powered down.
Allegro MicroSystems, LLC
115 Northeast Cutoff
Worcester, Massachusetts 01615-0036 U.S.A.
1.508.853.5000; www.allegromicro.com
12
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| ACS712ELCTR-30A-T | 功能描述:SENSOR CURRENT 30A 5V BI 8-SOIC RoHS:是 类别:传感器，转换器 >> 电流 系列:- 标准包装:10 系列:* |
| ACS712ELCTR-30A-T | 制造商:Allegro MicroSystems 功能描述:Hall Effect-Based Linear Current Sensor |
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| ACS713ELCTR-20A-T | 功能描述:SENSOR CURRENT 20A 5V UNI 8-SOIC RoHS:是 类别:传感器，转换器 >> 电流 系列:- 标准包装:10 系列:* |
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