Dynamic, Self-Calibrating Hall-Effect Gear Tooth Sensor IC

ATS617

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The ATS617 provides precise gear edge detection with automatic gain control and an integrated capacitor for improved accuracy at low speeds. Its self-calibrating feature minimizes the impact of air gap variations.

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Top Features

Packaging

  • Self-calibrating for tight timing accuracy
  • First-tooth detection
  • Immunity to air gap variation and system offsets
  • Immunity to signature tooth offsets
  • Integrated capacitor provides analog peak and valley information
  • Low timing-accuracy drift with temperature changes
  • Low radiated emissions
  • Integrated, series resistor on VCC pin for improved transient immunity
  • Large air gap capability
  • Small, integrated package
  • Optimized magnetic circuit
  • Undervoltage lockout (UVLO)
  • Wide operating voltage range

The ATS617 is provided in a 4-pin SIP that is Pb (lead) free, with a 100% matte tin plated leadframe (suffix SG).

SG Package Documentation

Part Number Specifications and Availability

Documentation and Resources

Documentation

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Application Note
Fundamental Properties of Speed Sensors