Highly Programmable Linear Hall-Effect Sensor IC with Enhanced Accuracy

A1377

A1377 Product Image

The A1377 offers high-accuracy and high-resolution linear Hall-effect sensing without compromising bandwidth. Segmented temperature compensation and user programmability enable optimized performance in demanding applications.

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Top Features

Packaging

  • On-board diagnostics
    • Broken ground detection
    • VCC undervoltage detection
    • VCC overvoltage detection
  • Customer-programmable offset, sensitivity, polarity, and output clamps
  • Integrated power supply and output bypass capacitors
  • Customer and factory access code for enhanced reliability
    • Factory code required for write access to TC trim and other factory registers
    • Customer code required for write access to customer registers
  • Temperature-stable quiescent voltage output and sensitivity: sensitivity temperature coefficient (TC) and QVO temperature coefficient programmed at Allegro for improved accuracy
  • Optional output voltage clamps provide short-circuit diagnostic capabilities
  • Wide ambient temperature range: –40°C to 150°C
  • Enhanced EMC performance for stringent automotive applications
  • Allegro Sensor Bias LDO

The A1377 sensor is provided in a 3-pin single in-line package (UC suffix) with bypass capacitors integrated into the package. It is lead (PB) free, with 100% matte-tin leadframe plating.

UC Package Documentation

Part Number Specifications and Availability

Documentation and Resources

Documentation

Design Tools

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Documents Found: 32
Document Type Document Name
Application Note
Fuel Level Sensor Using Hall-Effect Sensor ICs
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Documents Found: 32
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Hardware Kit or Board
ASEK-20 Sensor Evaluation Kit