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TMR4019 - TMR Geartooth Sensor

This page provides the datasheet information for the TMR4019, a member of the TMR4001 TMR Geartooth Sensor family.

Datasheet Summary

Description

The TMR40xx series of geartooth sensor adopts a unique push-pull Wheatstone bridge design.

This design includes a single-channel or dual-channel Wheatstone full bridge composed of four or eight unshielded high-sensitivity tunneling magnetoresistance (TMR) sensing elements.

Features

  • Tunneling magnetoresistance (TMR) technology.
  • High saturation field allows operation in large DC magnetic field.
  • High sensitivity to magnetic gradient.
  • Compatible to small pitch gear measurement.
  • Sine/cosine signal output with accurate phase difference.
  • Excellent resistance to external magnetic field interference.
  • Wide air gap tolerance.
  • DC (zero speed).

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Datasheet preview – TMR4019

Datasheet Details

Part number TMR4019
Manufacturer MultiDimension
File Size 852.34 KB
Description TMR Geartooth Sensor
Datasheet download datasheet TMR4019 Datasheet
Additional preview pages of the TMR4019 datasheet.

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Full PDF Text Transcription

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Datasheet Version 2.0.1 TMR40xx TMR Geartooth Sensor Description The TMR40xx series of geartooth sensor adopts a unique push-pull Wheatstone bridge design. This design includes a single-channel or dual-channel Wheatstone full bridge composed of four or eight unshielded high-sensitivity tunneling magnetoresistance (TMR) sensing elements. The Wheatstone bridge provides a differential voltage output along the gradient of the applied magnetic field along the sensor’s sensing direction. The dual-channel Wheatstone full bridge generates two orthogonal sine/cosine voltage output signals to measure the position of the gear rotation and detect the direction of rotation.
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