Transmission Sensor ICs

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Transmission Sensor ICs

Featuring advanced Hall and back-biased GMR technologies, our transmission sensors deliver exceptional vibration immunity, wide air gap performance, and stable output—even under harsh operating conditions. With ASIL-compliant products and integrated magnet and protection options, we’re setting a new benchmark for fuel-efficient, safety-critical transmission applications

Features include:

  • Front and back-biased solutions for magnetic encoder or ferrous target sensing
  • Two-and three-wire output protocols supporting speed, direction, and ASIL error reporting (optional)
  • Integrated solutions include IC, magnet (optional), and EMC protection component(s) in a single overmolded miniature package
  • Differential sensing offers inherent common-mode stray field immunity 

  • Low jitter for high edge accuracy
  • Flexible orientation GMR technology for xMR or Hall replacement and application installation flexibility
  • EEPROM enables factory traceability throughout the production process

Transmission Speed Sensor ICs Selection Guide

Selection & Solution Guides

Allegro Product Selection Guide (PDF)

Documentation & Resources