SY22301-A1 - Current Output Ambient Light Sensor


  • Close to Human Eye's Spectral Response
  • Good Output Linearity 
  • Guaranteed Temperature Performance: 
  • -30°C to 85°C
  • Wide Supply Voltage: 2.5V to 5.5V
  • Package Size: SMD 0805
  • ROHS Compliant

Typical Application


SY22301-A1, an analog output ambient light sensor (ALS), is specifically designed for general light sensing control. The spectral response of SY22301-A1 is close to that of human eyes. SY22301-A1 features a good linearity of output current with respect to the ambient light illumination according to the user defined sensing range.


  • Infrared Illuminator for Security Cameras
  • Dawn/Dusk or Brightness/Darkness Sensing
  • Detection of Ambient Light to Control Display Backlight
  • Automatic Residential and Commercial Lighting Management
  • Automatic Contrast Enhancement for Electronic Signboard
  • Ambient Light Monitoring Device for Daylight and Artificial Light