ACS712ELCTR-20A-T - Hall Effect Based Linear Current Sensor IC, 20A

ACS712T ELC20A - Hall Effect Based Linear Current Sensor IC, Max 20A,

Fully Integrated, Hall Effect-Based Linear Current Sensor IC with 2.1 kVRMS Isolation and a Low-Resistance Current Conductor

The Allegro™ACS712 provides economical and precise solutions for AC or DC current sensing in industrial, commercial, and communications systems. The device consists of a precise, low-offset, linear Hall circuit with a copper conduction path located near the surface of the die. Applied current flowing through this copper conduction path generates a magnetic field which the Hall IC converts into a proportional voltage. Device accuracy is optimized through the close proximity of the magnetic signal to the Hall transducer.  A precise, proportional voltage is provided by the low-offset,  chopper-stabilized BiCMOS Hall IC, which is programmed for accuracy after packaging.

• Total output error 1.5% at T = 25°C
• 2.1 kVRMS minimum isolation voltage from pins 1-4 to pins 5-8
• 5.0 V, single supply operation
• 66 to 185 mV/A output sensitivity
• Output voltage proportional to AC or DC currents
• Extremely stable output offset voltage
• Nearly zero magnetic hysteresis

Technical Datasheet (644 KB)  

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