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AH1808

Diodes
Part Number AH1808
Manufacturer Diodes
Description HIGH SENSITIVITY MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH
Published Mar 21, 2017
Detailed Description AH1808 HIGH SENSITIVITY MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Description The AH1808 is a high-sensitivity, micropowe...
Datasheet PDF File AH1808 PDF File

AH1808
AH1808

Overview
AH1808 HIGH SENSITIVITY MICROPOWER OMNIPOLAR HALL-EFFECT SWITCH Description The AH1808 is a high-sensitivity, micropower Omnipolar Hall Effect switch IC.
It is designed for portable and battery powered consumer equipment, home appliances and industrial equipment such as smartmeter magnetic-tamper detection.
Based on two sensitive Hall effect plates and a chopper stabilized architecture, the AH1808 provides a reliable solution over the whole operating range.
To support portable and battery powered equipment, the design has been optimized to operate over the supply range of 2.
5V to 5.
5V and consumes only 24µW with a supply of 3V.
The single open drain output can be switched on with either a North or South pole of sufficient strength.
When the magnetic flux density (B) perpendicular to the package is larger than operate point (Bop), the output is switched on (pulled low).
The output is turned off when B becomes lower than the release point (Brp).
The output will remain off when there is ...


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