ACS712ELCTR 20A Allegro Hall Effect Current Sensor IC - SOP-8 Package

ACS712ELCTR 20A Hall Effect Current Sensor IC - SOP-8 Package is a fully integrated Hall-effect current sensor designed for precise AC and DC current measurement up to ±20A. It provides galvanic isolation between the current-carrying conductor and the signal output, ensuring safe and accurate current sensing with low power loss. Featuring 100mV/A sensitivity, low internal conductor resistance, and fast response time, it is ideal for motor control, battery management, power supplies, inverters, overcurrent protection, and industrial automation applications.

ACS712ELCTR Current Sensor IC Datasheet

Features:

1. Hall Effect-Based Linear Current Sensor
2. Measures Both AC and DC Current
3. ±20A Current Sensing Range
4. 100mV/A Output Sensitivity
5. 2.1kVRMS Electrical Isolation
6. 5V Single Supply Operation
7. Low 1.2mΩ Internal Conductor Resistance
8. Low Noise Analog Voltage Output
9. Integrated FILTER Pin for Bandwidth Adjustment
10. 50kHz Bandwidth
11. 5µs Fast Rise Time
12. Factory Calibrated for High Accuracy
13. Ratiometric Output from Supply Voltage
14. Excellent Noise Immunity
15. Suitable for Automotive and Industrial Applications
16. RoHS Compliant

Specifications:

Parameter	Value
Product Type	Hall Effect Current Sensor IC
Part Number	ACS712ELCTR-20A-T
Package	SOP-8
Current Sensing Range	±20A
Output Sensitivity	100mV/A (Typ.)
Supply Voltage	4.5V ~ 5.5V
Supply Current	8mA (Typ.)
Output Type	Analog Voltage
Zero Current Output	VCC/2 (Typ.)
Isolation Voltage	2.1kVRMS (Min.)
Internal Conductor Resistance	1.2mΩ (Typ.)
Bandwidth	50kHz
Rise Time	5µs
Response Time	7µs
Propagation Delay	3µs
Total Output Error	±1.5% (Typ. @ 25°C)
Operating Temperature	-40°C to +85°C
Storage Temperature	-65°C to +170°C
RoHS Compliance	Yes

Pin Configuration:

Pin	Name	Description
1	IP+	Current Input
2	IP+	Current Input
3	IP−	Current Output
4	IP−	Current Output
5	GND	Ground
6	FILTER	Bandwidth Control
7	VIOUT	Analog Output
8	VCC	Supply Voltage

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Package Includes:

1 x ACS712ELCTR Hall Effect Current Sensor IC – SOP-8 Package