3150 - PROGRAMMABLE/ CHOPPERSTABILIZED/ HALL-EFFECT SWITCH

Description

Chopper-Stabilized Technique.

These devices use a proprietary dynamic offset cancellation technique, with an internal high-frequency clock to reduce the residual offset voltage of the Hall element that is normally caused by device overmolding, temperature dependencies, and thermal stress.

Features

s Chopper Stabilized for Extremely Low Switch-Point Drift and Immunity to Mechanical Stress s Externally Programmed Switch Point s On-Chip Supply-Transient Protection s Output Short-Circuit Protection s Single-Chip Sensing IC for High Reliability s Small Mechanical Size s.

Allegro MicroSystems

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Datasheet Details

Part number	3150
Manufacturer	Allegro MicroSystems
File Size	100.09 KB
Description	PROGRAMMABLE/ CHOPPERSTABILIZED/ HALL-EFFECT SWITCH
Datasheet	3150 Datasheet
Additional preview pages of the 3150 datasheet.

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Full PDF Text Transcription

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3150 PROGRAMMABLE, CHOPPERSTABILIZED, HALL-EFFECT SWITCH The A3150JLT and A3150JUA programmable switches provide tooth/valley recognition in large gear-tooth sensing applications. Each sensor consists of a single element, chopper-stabilized Hall-effect IC that can be programmed to the desired magnetic switch point, optimizing sensor airgap and timing accuracy performance after final packaging. The small package can be easily assembled and used in conjunction with a wide variety of gear/target shapes and sizes. The two devices differ only in package style. The sensing technology used for this sensor is Hall-effect based. The sensor incorporates a single-element Hall IC that switches in response to magnetic signals created by a ferrous target.

Published: Mar 30, 2005 |