8-Bit Angular Hall Encoder, Cascadable

The CMOS device iC-MA consists of a quadruple Hall sensor array which has been optimized for the magnetic measurement of angles of rotation.

With the aid of the integrated 8-bit sine/digital converter the angle of rotation is determined from the sine/cosine signals. This is output via an incremental interface in a number of selectable resolutions. The zero angle is indicated by an index pulse. The maximum resolution of 8-bit is maintained up to rotations of 60 000 rpm.

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Features

  • Quadruple Hall sensor array for error-tolerant adjustment
  • Non-sensitive to magnetic stray fields due to differential measurement technique
  • Interpolator with a resolution of up to 256 angle steps per cycle

Applications

  • Analog and digital angle sensors
  • Incremental angular encoders
  • Magnetic multiturn encoders


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