Magnetic Speed Sensors

True Zero-Speed, High-Accuracy Gear Tooth Sensor IC with Integrated EMC Protection

ATS668

The ATS668LSM provides robust and accurate gear tooth sensing with true zero-speed operation, high accuracy, and integrated EMC protection. Its dual-element Hall IC and integrated magnet pellet simplify implementation.

Product Details

Top Features

  • Three-wire back-biased speed sensor optimized for transmission speed-sensing applications
  • Integrated in-package EMC protection circuit allows compliance to most Automotive EMC environments without external circuitry
  • Small-signal lockout for immunity to vibration
  • Tight timing accuracy over full operating temperature range
  • True zero-speed operation
  • Air gap independent switchpoints
  • Large operating air gaps achieved through use of gain and offset adjust circuitry
  • Wide operating voltage range with undervoltage lockout (UVLO)
  • Digital output representing target profile
  • Single-chip sensing IC for high reliability
  • High-speed startup
Target Application

Part Number Specifications and Availability

Design Tools

Technical Documentation