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Sensor – Ambient Light Sensor Analog


Ambient Light Sensor Analog

The analog ALS is a low cost ambient light sensor, consisting of photodiode, phototransistor or photo IC in miniature SMD. EVERLIGHT ALS series product s a re a good effective solution to the power saving of display backlighting of mobile appliances, such as the mobile phones, NB and PDAs. Due to the high rejection ratio of infrared radiation, the spectral response of the ambient light sensor is close to that of human eyes.


  • Close responsively to the human eye spectrum
  • Light to Current
  • analog output
  • Good output linearity across wide illumination range
  • Low sensitivity variation across various light sources
  • Operating temperature performance -40℃ to 85℃
  • Wide supply voltage range (1.8-5.5V) (2-5.5V) (2.5-5.5V) (3-24V)
  • RoHS compliant and Pb Free package

Other Applications

  • Detection of ambient light to control display backlighting
  • Mobile devices – Mobile phones
  • PDAs
  • Computing device – TFT LCD monitor for Notebook computer
  • Consumer device – TFT LCD TV
  • Plasma TV
  • Video camera
  • Digital camera
  • Ttoys
  • Automatic residential and commercial management
  • Automatic contrast enhancement for electronic signboard
  • Ambient light monitoring device for daylight and artificial light
  • Street light