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Hall sensor ic.
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A hall effect sensor is a device that is used to measure the magnitude of a magnetic field.
It is mainly used for non contact type switches rotation detection and position detection.
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Its output voltage is directly proportional to the magnetic field strength through it.
Allegro hall effect integrated circuits ic employ the hall effect by incorporating a hall element with other circuitry such as op amps and comparators to make magnetically activated switches and analog output devices.
Hall elements are sensors that use the galvanomagnetic effect called the hall effect.
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What s hall effect ic hall elements are a representative example among various types of magnetic sensors that use semiconductors.