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Current sensor module 5A ACS712


ACS712 Current Sensor

  • Low-noise analog signal path.
  • Device bandwidth is set via the new FILTER pin.
  • 5 µs output rise time in response to step input current.
  • Small footprint, low-profile SOIC8 package.
  • 2.1 kV RMS minimum isolation voltage from pins 1-4 to pins 5-8.

169.00 143.22+18% GST

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SKU 04AA022 Categories ,

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ACS712 Current Sensor

The 5A range Current Sensor Module ACS712 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 in which the Hall IC converts into a proportional voltage.

Sensing and controlling current flow is a fundamental requirement in a wide variety of applications including, over-current protection circuits, battery chargers, switching mode power supplies, digital watt meters, programmable current sources, etc.

This ACS721 current module is based on the ACS712 sensor, which can accurately detect AC or DC current.

The maximum AC or DC that can be detected can reach 5A, and the present current signal can be read via analog I / O port of Arduino.


  • 185 mV/A output sensitivity
  • 5.0 V, single supply operation
  • Output voltage proportional to AC or DC currents
  • Factory-trimmed for accuracy
  • Extremely stable output offset voltage
  • Nearly zero magnetic hysteresis
  • Ratiometric output from supply voltage
  • Low-noise analog signal path
  • Device bandwidth is set via the new FILTER pin
  • 5 µs output rise time in response to step input current
  • 80 kHz bandwidth
  • Total output error 1.5% at TA = 25°C
  • Small footprint, low-profile SOIC8 package
  • 1.2 mΩ internal conductor resistance
  • 2.1 kVRMS minimum isolation voltage from pins 1-4 to pins 5-8


Package Includes :

1 x Current sensor 5A


Learn how to interface a Current sensor with an Arduino.

Click here to download the datasheet of  ACS712.


Current sensor chip                           ACS712ELC-5A

Operating Voltage (V)                       4.5V ~ 5.5V DC

Measure Current Range                   -5 ~ +5A

Sensitivity                                            100mV/A

Length (mm)                                       32

Width (mm)                                         13

Height (mm)                                       13.5

Weight (gm)                                         5


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