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ACS712 CURRENT SENSOR 20AMP

200

Description The 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.

  • 5.0 V, single supply operation
  • Output voltage proportional to AC or DC currents
  • Extremely stable output offset voltage
  • Nearly zero magnetic hysteresis

It provides up to 3000 VRMS galvanic isolation. The low-profile, small form factor packages are ideal for reducing PCB area over sense resistor op-amp or bulky current transformer configurations. The low resistance internal conductor allows for sensing up to 20 A continuous current. Providing typical output error of 1%.

Features

  • 100 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

The ACS712 Current Sensors offered on the internet are designed to be easily used with micro controllers like the Arduino.These sensors are based on the Allegro ACS712ELC chip.These current sensors are offered with full scale values of 5A,  20A and 30A.The basic functional operation of each of these devices is identical.  The only difference is with the scale factor at the output. 

Description The 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.

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