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AMR4020 - High Accuracy Analog Magnetic Scale Sensor

Datasheet Summary

Description

The AMR40X0 series magnetic grate sensors integrate two push-pull Wheatstone bridges, each of which contains four high-sensitivity anisotropic magnetoresistance (AMR) sensing elements.

Such a design effectively compensates temperature drift to ensure high accuracy under wide temperature range.

Features

  • Anisotropic magnetoresistance (AMR) technology.
  • Wide range supply voltages.
  • Large airgap tolerance.
  • Low saturation field.
  • Phase A and phase B analog output.
  • Excellent temperature stability.
  • High tolerance to external magnetic field interference.
  • RoHS & REACH compliant.

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Datasheet preview – AMR4020

Datasheet Details

Part number AMR4020
Manufacturer MultiDimension
File Size 0.98 MB
Description High Accuracy Analog Magnetic Scale Sensor
Datasheet download datasheet AMR4020 Datasheet
Additional preview pages of the AMR4020 datasheet.

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Full PDF Text Transcription

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Datasheet Version 2.0.1 AMR4020, AMR4050 High Accuracy Analog Magnetic Scale Sensor Description The AMR40X0 series magnetic grate sensors integrate two push-pull Wheatstone bridges, each of which contains four high-sensitivity anisotropic magnetoresistance (AMR) sensing elements. Such a design effectively compensates temperature drift to ensure high accuracy under wide temperature range. As the AMR40X0 moves along the magnetic scale, sensor outputs two orthogonal sets of analog voltage signals (sine and cosine), the period of which corresponds to the scale’s magnetic pole pitch. The relative displacement of the sensor and the scale can be accurately determined by calculating the two sets of analog voltage signals.
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