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A3209

Part Number	A3209
Manufacturer	Allegro MicroSystems
Description	ULTRA-SENSITIVE HALL-EFFECT SWITCHES
Published	Mar 23, 2005
Detailed Description	3209 AND 3210 Package Suffix ‘LH’ Pinning 3 MICROPOWER, ULTRA-SENSITIVE HALL-EFFECT SWITCHES The A3209Ex and A3210Ex in...
Datasheet	A3209 PDF File

Overview

3209 AND 3210 Package Suffix ‘LH’ Pinning 3 MICROPOWER, ULTRA-SENSITIVE HALL-EFFECT SWITCHES The A3209Ex and A3210Ex integrated circuits are ultra-sensitive, pole independent Hall-effect switches with a latched digital output.
They are especially suited for operation in battery-operated, hand-held equipment such as cellular and cordless telephones, pagers, and palmtop computers.
2.
5 volt to 3.
5 volt operation and a unique clocking scheme to reduce the average operating power requirements – the A3209Ex to 400 µW, the A3210Ex to 25 µW! Except for operating duty cycle and average operating current, the A3209Ex and A3210Ex are identical.
Unlike other Hall-effect switches, either a north or sout...

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