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AH3772 - HIGH-SENSITIVITY HALL EFFECT LATCH

Description

The AH3772 is a high-voltage, high-sensitivity Hall Effect latch IC designed for commutation of brushless DC motors, flow meters, linear encoders, and position sensors in industrial and consumer home appliances and personal care applications.

Features

  • Bipolar Latch (South Pole: On, North Pole: Off).
  • 3.0V to 28V Operating Voltage Range.
  • High Sensitivity: BOP and BRP of +25G and -25G Typical.
  • Single, Open-Drain Output with Overcurrent Limit.
  • Chopper-Stabilized Design Provides - Superior Temperature Stability - Minimal Switch-Point Drift - Enhanced Immunity to Stress.
  • Good RF Noise Immunity.
  • Reverse-Blocking Diode and Zener Clamp on Supply.
  • -40C to +125°C Operating Tempera.

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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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PRELIMINARY - CONFIDENTIAL AH3772 HIGH-VOLTAGE, HIGH-SENSITIVITY HALL EFFECT LATCH Description The AH3772 is a high-voltage, high-sensitivity Hall Effect latch IC designed for commutation of brushless DC motors, flow meters, linear encoders, and position sensors in industrial and consumer home appliances and personal care applications. To support a wide range of demanding applications, the design is optimized to operate over the supply range of 3.0V to 28V. With chopper-stabilized architecture and an internal bandgap regulator to provide temperature compensated supply for internal circuits, the AH3772 provides a reliable solution over the whole operating range. For robustness and protection, the device has a reverse-blocking diode with a zener clamp on the supply.
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