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AH173 - INTERNAL PULL-UP HALL EFFECT LATCH

General Description

AH173 is a single-digital-output Hall effect latch sensor with pullup resistor for high-temperature operation.

Key Features

  • Bipolar Hall Effect Latch Sensor.
  • 3V to 20V DC Operating Voltage.
  • Built-in Pullup Resistor.
  • 25mA Output Sink Current.
  • Operating Temperature: -40C to +125C.
  • SIP-3 (Ammo Pack), SIP-3 (Bulk Pack), and SC59 Packages (SC59 is Commonly Known as SOT23 in Asia).
  • Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2).
  • Halogen and Antimony Free. “Green” Device (Note 3).
  • For automotive.

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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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THE AH173 IS NOT RECOMMENDED FOR NEW DESIGNS. PLEASE USE THE AH3722A/AH3724A. AH173 INTERNAL PULLUP HALL EFFECT LATCH FOR HIGH TEMPERATURE Description AH173 is a single-digital-output Hall effect latch sensor with pullup resistor for high-temperature operation. The device includes an onchip Hall voltage generator for magnetic sensing, an amplifier to amplify Hall voltage, a comparator to provide switching hysteresis for noise rejection, and an output driver with a pullup resistor (Rpu). An internal bandgap regulator provides a temperature compensated supply voltage for internal circuits and allows a wide operating supply range. When the magnetic flux density (B) is larger than operate point (Bop), output is switched on (OUT pin is pulled low).