A3213 And A3214 Micropower, Ultra-Sensitive Hall-Effect Switches

The A3213 and A3214 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. A 2.4 volt to 5.5 volt operation and a unique clocking scheme reduce the average operating power requirements the A3213 to 825 W, the A3214xx to 14 W (typical at 2.75 V)! Except for operating duty cycle and average operating current, the A3213 and A3214 are identical.
Unlike other Hall-effect switches, either a north or south pole of sufficient strength will turn the output on; in the absence of a magnetic field, the output is off. The polarity independence and minimal power requirement allows these devices to easily replace reed switches for superior reliability and ease of manufacturing, while eliminating the requirement for Signal Conditioning
By Allegro MicroSystems, Inc.
A3214 's PackagesA3214 's pdf datasheet



A3214 Pinout, Pinouts
A3214 pinout,Pin out
This is one package pinout of A3214,If you need more pinouts please download A3214's pdf datasheet.

A3214 Application circuits
A3214 circuits
This is one application circuit of A3214,If you need more circuits,please download A3214's pdf datasheet.


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A3214 Application Notes A3214 RoHS A3214 Circuits A3214 footprint
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