Magnetic Speed Sensors

True Zero-Speed, High-Accuracy Ring Magnet Sensor IC

A1667

The A1667 provides precise speed and position sensing for ring magnet-based applications, featuring true zero-speed operation, high accuracy, and dynamic adaptation for robust performance in automotive and industrial environments.

Product Details

Top Features

  • Optimized robustness to magnetic offset variation
  • Small signal lockout for immunity against vibration
  • Tight duty cycle and timing accuracy over full operating temperature range
  • True zero-speed operation
  • Air gap independent switch points
  • Large operating air gaps achieved through use of gain adjust and offset adjust circuitry
  • Defined power-on state (POS)
  • Wide operating voltage range
  • Digital output representing target profile
  • Single chip sensing IC for high reliability
  • Small mechanical size
  • Fast startup
  • Undervoltage lockout (UVLO)
Target Application

Part Number Specifications and Availability

Design Tools