Precision Angle Sensor IC with I²C, SPI, and SENT Interfaces

A1335

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The A1335 offers versatile and precise angle measurement with multiple interface options (I²C, SPI, SENT), programmable linearization, and on-chip EEPROM for flexible configuration. Ideal for automotive applications.

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Top Features

Packaging

  • 360° contactless high-resolution angle position sensor
  • CVH (Circular Vertical Hall) technology
  • Available with either a single die or dual independent die housed within a single package
  • Digital output format selectable among SPI, I2C, and SENT (Single-Edge Nibble Transmission)
  • SENT output is SAEJ2716 JAN2010 compliant, with Allegro proprietary enhanced programmable features
  • Customer-programmable SENT tick times, ranging from 0.5 to 7.9 μs
  • SPI interface allows use of multiple independent sensor ICs for applications requiring redundancy
  • Refresh rate: 32 μs, 12-bit resolution
  • Wide range of diagnostics enable automotive applications to achieve ASIL-D compliance
  • Programmable via Manchester encoding on the VCC line, reducing external wiring
  • Automotive temperature range: –40°C to 150°C
  • AEC-Q100 automotive qualified
  • Two types of linearization algorithms offered: harmonic linearization and segmented linearization
    • Enables off-axis operation
  • Programmable range—can scale 22.5° to full-scale digital output
  • Microprocessor-based output linearization
  • EEPROM with Error Correction Control (ECC) for trimming calibration
  • 1 mm thin (TSSOP) package
  • Improved air gap performance, based on continuous background calibration
  • Allegro Sensor Bias LDO

The A1335 is available as a single die in a 14-pin TSSOP, or dual die in a 24-pin TSSOP. Both packages are lead (Pb) free with 100% matte-tin leadframe plating.

LE Package Documentation

Part Number Specifications and Availability

Documentation and Resources

Documentation

Design Tools

Third Party Design Tools

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Hardware Kit or Board
ASEK-20 Sensor Evaluation Kit
User Guide
A1335 Programming Manual
User Guide
A1335 Hardware User Guide
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Mikroe Angle Click