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MCS1802 - Linear Hall-Effect Current Sensor

General Description

The MCS1802 is a linear Hall-effect current sensor for AC or DC current sensing.

The Hall array is differential, which cancels out any stray magnetic field.

A primary conductor with a low resistance allows current to flow close to the IC, which contains high-accuracy Hall-effect sensors.

Key Features

  • 3.3V Single Supply.
  • Immune to External Magnetic Fields by Differential Sensing.
  • 2.2kVRMS Minimum Isolation Voltage.
  • Operating Temperature: -40°C to +125°C.
  • 0.9mΩ Internal Conductor Resistance.
  • ±5A to ±50A Bi-directional Range.
  • Adjustable Bandwidth up to 100kHz.
  • 4μs Output Rising Time.
  • Ratiometric Output from Supply Voltage.
  • Output Proportional to AC or DC Currents.
  • Factory-Trimmed for Accuracy.

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MCS1802 3.3V, Linear Hall-Effect Current Sensor with ±2.5% Accuracy Over Temperature DESCRIPTION The MCS1802 is a linear Hall-effect current sensor for AC or DC current sensing. The Hall array is differential, which cancels out any stray magnetic field. A primary conductor with a low resistance allows current to flow close to the IC, which contains high-accuracy Hall-effect sensors. This current generates a magnetic field that is sensed at two different points by the integrated Hall-effect transducers. The magnetic field difference between these two points is then converted into a voltage that is proportional to the applied current. A spinning current technique is used for a low and stable offset.