Light Sensors

The LSL 100 light sensor is based on a silicon photodiode, the sensitivity of which in the infrared spectral range has been strongly reduced by the use of filters. For this reason, this component is very suitable for the detection of daylight, in particular if the infrared proportion of the spectrum is large e.g. at sunset. This component contains a built-in operational amplifier and can be used in a similar way to a photoresistor.


Features
  • SMD and pin type
  • Maximum sensitivity at 580 nm
  • Operating voltage 8 V max.
  • Photocurrent approx. 0.1 mA at 100 lx
  • Rise time/fall time approx. 8 ms
  • RoHS compliant; does not contain cadmium

Applications
  • Inside lighting for motor vehicles
  • Controlling blinds
  • Control that is dependent on daylight

 

Principle of Light Sensor Circuit Diagram

 

Spectral sensitivity of LSL 100

 

Light current vs. light intensity

 

 
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