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AH174

Anachip
Part Number AH174
Manufacturer Anachip
Description Inverted Output Hall Effect Latch
Published Jan 7, 2010
Detailed Description AH174 Inverted Output Hall Effect Latch For High Temperature „ Features - Bipolar Hall effect latch sensor - 3.5V to 20V...
Datasheet PDF File AH174 PDF File

AH174
AH174

Overview
AH174 Inverted Output Hall Effect Latch For High Temperature „ Features - Bipolar Hall effect latch sensor - 3.
5V to 20V DC operation voltage - Open collector pre-driver - 25mA output sink current - Chip power reverse-connection protection - Operating temperature: −40°C ~ +125°C - Package: SIP3, SOT23 „ General Description AH174 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 bandgap 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 off (High).
If B removed toward Brp, the OUT pin is latched “off” state prior to B < Brp.
When B < Brp, the OUT pin go into “ on ...


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