Magnetic Field Sensor

X3G_T_OH047_048

The X3G-OH047, X3G-OH048, X3T-OH047 and X3T-OH048 are sensitive magnetic field sensors, employing the magneto-resistive effect of thin film permalloy. The sensors contain two parallel supplied Wheatstone bridges at a relative angle of 45° to each other.

A rotating magnetic field in the surface parallel to the chip (x-y plane) will deliver two independent sinusoidal output signals, one following a cos(2α) and the other following a sin(2α) function, α being the angle between sensor and field direction.

The X3G-OH047, X3G-OH048, X3T-OH047 and X3T-OH048 are suited for high precision angle measurement applications under low field conditions (saturation field strength 25 kA/m).

The sensors can be operated at any frequency between DC and 1 MHz.

All type numbers shown in the data sheet are valid for a single-die (single sensor). The double-die has two magnetic field sensors with electrical and magnetic parameters which fulfill the specified single-die values and do not correlate to each other.

Product Details

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Features

  • Accurate and reliable angle measurement
  • Mechanical robustness, contactless principle
  • Wear-free operation
  • Accuracy independent of mechanical tolerances
  • Extended temperature range

Target Applications

  • Steering angle and torsion
  • Headlight adjustment
  • Motor positioning
  • Window wipers
  • Fuel level
  • Mirror positioning

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