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AH1751 - HALL EFFECT LATCH

General Description

AH1751 is a single-digital-output Hall-effect sensor for high temperature operation.

Key Features

  • Bipolar Hall Effect Latch Sensor.
  • 3.5V to 20V DC Operation Voltage.
  • Open Collector Pre-Driver.
  • 50mA Output Sink Current.
  • Chip Power Reverse-Connection Protection.
  • Operating Temperature: -40°C to 125°C.
  • SIP3, SC59 and SC59R (Commonly known as SOT23 in Asia): Available in “Green” Molding Compound (No Br, Sb).
  • Totally Lead-free & Fully RoHS Compliant (Note 1 & 2.
  • Halogen and Antimony Free. “Green” Device (Note 3) Pin Assignments ( Top View ) SIP3 3. O.

📥 Download Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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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 prior to B < Brp. When B < Brp, the OUT pin go into “off ” state.