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

ATS668LSM

ATS668SLM Product Image

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.

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Top Features

Packaging

  • 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

This device is available in a lead (Pb) free 3-pin SIP package (SM) with matte-tin lead frame plating.

SM Package Documentation

Part Number Specifications and Availability

Documentation and Resources

Documentation

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Documents Found: 32
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Application Note
Fundamental Properties of Speed Sensors