Two-Wire, Zero-Speed Differential Gear Tooth Sensor IC with Enhanced Vibration Immunity

ATS685

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The ATS685 provides accurate and reliable gear tooth sensing with enhanced vibration immunity, true zero-speed operation, and a two-wire interface for simplified design.

Top Features

Packaging

  • Fully optimized differential digital gear tooth sensor IC
  • Running Mode Lockout
  • Unique algorithms for increased vibration immunity
  • AGC and reference adjust circuit
  • Air gap independent switchpoints
  • Digital output representing gear profile
  • Precise duty cycle throughout operating temperature range
  • Large operating air gap range
  • Short power-on time
  • True zero-speed operation
  • Undervoltage lockout (UVLO)
  • Wide operating voltage range
  • Internal current regulator for two-wire operation
  • Single-chip sensing IC for high reliability
  • Robust test coverage capability using Scan Path and IDDQ measurement

The ATS685 is provided in a 4-pin SIP (suffix SH) package that is lead (Pb) free, with 100% matte tin leadframe plating.

SH Package Documentation

Part Number Specifications and Availability

Documentation and Resources

Documentation

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Application Note
Fundamental Properties of Speed Sensors