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A3211

Allegro MicroSystems
Part Number A3211
Manufacturer Allegro MicroSystems
Description Ultrasensitive Hall-Effect Switches
Published Mar 2, 2015
Detailed Description FEATURES AND BENEFITS • AEC-Q100 automotive qualified • Micropower operation • Operation with north or south pole • ...
Datasheet PDF File A3211 PDF File

A3211
A3211

Overview
FEATURES AND BENEFITS • AEC-Q100 automotive qualified • Micropower operation • Operation with north or south pole • 2.
5 to 3.
5 V battery operation • Chopper stabilized □□Superior temperature stability □□Extremely low switchpoint drift □□Insensitive to physical stress • High ESD protection • Solid-state reliability • Small size • Easily manufacturable with magnet pole independence Packages: DFN (EL) DFN (EH) SOT23W (LH) Not to scale SIP (UA) A3211 and A3212 Micropower, Ultrasensitive Hall-Effect Switches DESCRIPTION TheA3211 andA3212 integrated circuits are ultrasensitive, pole independent Hall-effect switches with latched digital output.
These devices are especially suited for operation in batteryoperated, hand-held equipment such as cellular and cordless telephones, pagers, and palmtop computers.
A 2.
5 to 3.
5 V operation and a unique clocking scheme reduce the average operating power requirements to less than 15 μW with a 2.
75 V supply.
Unlike other Hall-effect switches, ...


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