NOT RECOMMENDED FOR NEW DESIGN USE AH3774
AH1751
HALL EFFECT LATCH
Description
AH1751 is a single-digital-output Hall-effect sensor for high temperature operation.
The device includes an on-chip Hall voltage generator for magnetic sensing, an amplifier to amplify Hall voltage, and a comparator to provide switching hysteresis for noise rejection, and an open-collector output pre-driver.
An internal band-gap
regulator is used to provide temperature compensated supply voltage for internal circuits and allows a wide operating supply range.
While the magnetic flux density (B) is larger than threshold Bop, the OUT pin turns on (low).
If B removed toward Brp, the OUT pin is latched “on” state pri...