Two-Wire Speed and Direction Sensor IC with True Zero-Speed Operation

A1698

Allegro 2-Pin SIP UB Package

The A1698 provides accurate speed and direction sensing down to zero speed, using a simplified two-wire interface. Its integrated capacitor enhances EMC performance, while sophisticated digital circuitry minimizes offsets and enables air gap-independent operation.

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Top Features

Typical Applications

Packaging

  • Integrated capacitor for EMC suppression in a single over molded, miniature package
  • Wide leads facilitate ease of assembly
  • True zero-speed operation
  • Pulse-width output protocol
  • Automatic Gain Control (AGC) for air gap independent switch points
  • Automatic Offset Adjustment (AOA) for signal processing optimization, providing large operating air gap range
  • Single chip sensing IC for high reliability
  • Fully synchronous digital logic with Scan and IDDQ testing

The A1698  is available in a lead (Pb) free 2-pin SIP (Suffix UB) package with a 100% matte tin plated leadframe.

UB Package Documentation

Part Number Specifications and Availability