3197 - OPEN-COLLECTOR HALL-EFFECT LATCH

Features

I I I I I I I I I I Internal Protection For Automotive (ISO/DIN) Transients Operation From Unregulated Supply Reverse Battery Protection Undervoltage Lockout Supply Noise-Suppression Circuitry Output Short-Circuit Protection Output Zener Clamp Thermal Protection Symmetrical Latching Switch Points Operable with Multipole Ring Magnets Always order by complete part number, e. g. , A3197LU . 3197.

Allegro MicroSystems

Datasheet Details

Part number	3197
Manufacturer	Allegro MicroSystems
File Size	596.08 KB
Description	OPEN-COLLECTOR HALL-EFFECT LATCH
Datasheet	3197 Datasheet
Additional preview pages of the 3197 datasheet.

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3195 - PROTECTED/ HIGH-TEMPERATURE/ HALL-EFFECT LATCH WITH ACTIVE PULL-DOWN

Full PDF Text Transcription

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3197 PROTECTED, HIGH-TEMPERATURE, OPEN-COLLECTOR HALL-EFFECT LATCH These open-collector Hall-effect latches are capable of sensing magnetic fields while using an unprotected power supply. The A3197LLT and A3197LU can provide position and speed information by providing a digital output for magnetic fields that exceed their predefined switch points. These devices operate down to zero speed and have switch points that are designed to be extremely stable over a wide operating temperature and voltage range. The latching characteristics make them ideal for use in pulse counting applications when used with a multi-pole ring magnet. Thermal and output short-circuit protection allow an increased wiring harness fault tolerance.

Published: Mar 30, 2005 |