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AH1822

Part Number	AH1822
Manufacturer	Diodes
Description	MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH
Published	Apr 16, 2015
Detailed Description	AH1822 MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH Description AH1822 is comprised of two Hall effect plates and an ...
Datasheet	AH1822 PDF File

Overview

AH1822 MICROPOWER OMNIPOLAR HALL-EFFECT SENSOR SWITCH Description AH1822 is comprised of two Hall effect plates and an open-drain output driver, mainly designed for battery-operation, hand-held equipment (such as Cellular and Cordless Phone, PDA).
The total power consumption in normal operation is typically 24µW with a 3V power source.
Either north or south pole of sufficient strength will turn the output on.
The output will be turned off under no magnetic field.
While the magnetic flux density (B) is larger than operating point (Bop), the output will be turned on (low), the output is held until B is lower than release point (Brp), then turned off.
Pin Assignments ( Top View ) NC 1 Vdd 2...

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