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ZMX40M

Zetex Semiconductors
Part Number ZMX40M
Manufacturer Zetex Semiconductors
Description DUAL MAGNETIC FIELD SENSOR
Published Apr 30, 2015
Detailed Description DUAL MAGNETIC FIELD SENSOR ZMX40M DESCRIPTION This device is a special tangential field difference sensor with two AMR...
Datasheet PDF File ZMX40M PDF File

ZMX40M
ZMX40M

Overview
DUAL MAGNETIC FIELD SENSOR ZMX40M DESCRIPTION This device is a special tangential field difference sensor with two AMR (Anisotropic Magneto-Resistive) bridges for field movement measurements or field comparative measurements.
The ZMX40M contains two extremely sensitive magnetic sensor chips, mounted parallel to each other in an SM8 package, employing the magneto-resistive effect of thin film permalloy.
It allows the measurement of magnetic fields or the detection of magnetic parts.
The sensors each consist of a chip covered with thin film permalloy stripes which form a Wheatstone bridge, whose output voltage is proportional to the magnetic field component Hy.
A field Hx, which is perpendicular to Hy, is necessary to suppress the hysteresis and to bias the sensors into the linear region.
This field Hx is provided by an internal permanent magnet.
The chips are mounted in the package 3mm apart.
If a magnet travels horizontally above the sensor, each chip will give an output which will ...


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