Details

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BUY ACS712ELCTR-20A https://www.utsource.net/itm/p/12607937.html

Parameter	Symbol	Min	Typ	Max	Unit
Supply Voltage	VCC	4.5	-	5.5	V
Output Sensitivity	SV	-	110	-	mV/A
Quiescent Output Voltage	VIO	2.4	2.5	2.6	V
Bandwidth	BW	-	80	-	kHz
Response Time	τ	-	1.2	-	μs
Operating Temperature Range	Toper	-40	-	85	°C
Isolation Voltage	Viso	-	2.2	-	kVRMS
Maximum RMS Current	IRMS	-	20	-	A

Instructions for ACS712ELCTR-20A

1. Power Supply Connection:

   • Connect the VCC pin to a power supply within the range of 4.5V to 5.5V.
   • Ensure the GND pin is properly grounded.

2. Output Signal Handling:

   • The output voltage (VO) is proportional to the current flowing through the sensor, with a sensitivity of 110mV per ampere.
   • At zero current, the quiescent output voltage (VIO) is approximately 2.5V.

3. Current Sensing:

   • Pass the current-carrying conductor through the center hole of the sensor module.
   • Ensure that the maximum RMS current does not exceed 20A to avoid damaging the sensor.

4. Temperature Considerations:

   • Operate the sensor within the temperature range of -40°C to +85°C to ensure reliable performance.

5. Electrical Isolation:

   • The sensor provides electrical isolation up to 2.2kVRMS, which helps in protecting against high voltages.

6. Signal Processing:

   • Use a low-pass filter if necessary to reduce noise and improve signal quality, considering the bandwidth of 80kHz.

7. Installation:

   • Mount the sensor in a location where it will not be exposed to excessive heat or mechanical stress.
   • Keep the sensor away from magnetic fields to prevent interference with measurements.

(For reference only)