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The AS7225 tunable white and daylighting smartsensor/director incorporates an embedded digital tri-stimulus chromatic ‘calibrated-for-life’ nano-optic sensor providing direct CIE1931 XYZ and CIE 1976 u’v’ coordinate mapping.

Adaptive algorithmic support enables a companion microprocessor to implement closed-loop, autonomous adjustment of variable CCT and daylight responsive LED lamps and luminaires. The AS7225 arrives pre-calibrated, and is designed for rapid integration into white-tunable and daylight responsive luminaire designs, delivering directives to the local microprocessor via an industry-standard I²C bus.

 

FEATURES

  • Smart XYZ tri-stimulus chromatic sensing
  • Simple register-based commands for supervisory functions
  • 20-pin 4.5 x 4.7 x 2.5mm LGA package
  • I2C interface
  • Readable registers for CIE 1931 and 1975 color-point coordinates, CCT, duv and lux
  • Calibrated nano-optic silicon interference filters
  • 0°C to +85°C operating temperature range
  • 5k MSRP: $2.40
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