ON Semiconductor – NOA3302: Ambient Light Sensor with Integrated Proximity Sensor

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The NOA3302 measures distance in real time and responds to ambient lighting conditions to control display backlight intensity. Multiple power management features and very low active power consumption directly address the power requirements of battery operated portable electronic devices.

The NOA3302 combines:

  • Ambient light sensor (ALS)
  • Advanced digital proximity sensor and LED driver
  • Tri-mode I2C interface with interrupt capability in an integrated monolithic device
FEATURES

  • 30dB proximity threshold range
  • Dark current compensation
  • IR and ambient light rejection
  • High dynamic range
  • Display power savings
  • Output tracks light intensity simplifying application algorithms
APPLICATIONS

  • Portable electronics
  • GPS
  • Backlit keypads
  • Occupancy sensors
  • Wearables

 

 

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