Ambient Light Sensors (ALS)

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Part no. Sensor Element Analog / Digital Remarks Light Current (μA) Illumination Conditions Dimensions [mm] Details

Photodiode digital 2.0*2.0*0.65 (L*W*Hmm) plus >>


Photodiode digital 2.0*2.0*0.55 (L*W*Hmm) plus >>


Phototransistor analog 5.5 100lx 2.0*1.25*0.8 (L*W*Hmm) plus >>


Photodiode analog 40 100lx 1.6*1.6*0.55 (L*W*Hmm) plus >>


Photodiode analog 60 100lx 1.6*1.6*0.55 (L*W*Hmm) plus >>


Photodiode analog 0.1 100lx 5 ø plus >>


Photodiode analog 0.1 100lx 5 ø plus >>


Photodiode analog linear, large chip size 1.1 100lx 4.4 x 3.9 x 1.2 plus >>


Phototransistor analog linear 10 100lx ø 5mm, flat plus >>


Phototransistor analog linear 200 100lx ø 3mm plus >>

In many applications the intensity of visible light has to be measured. The crucial point is that the word “visible” introduces a physiological element into the problem. The output signal of the sensor has to correspond to the subjective impression of the human eye, i. e. if the subjective impression of the human eye is “bright”, the sensor signal should also be high.

And for the impression “dark” the sensor should show a low signal. Ambient Light Sensors (ALS) were designed as optical detection devices which have a similar sensitivity characteristics compared to the Human eye. Those components are mainly used for backlight control of LC-displays or in lighting applications.

Everlight Electronics Co. , Ltd was founded in 1983 in Taipei as a manufacturer for optoelectronic devices. Everlight was played an important role in development of LED technology and is nowadays  one of the  biggest producers of optoelectronic devices. Everligth offers a wide variety of devices like High-Power-LEDs, low-power SMD- LEDs, LED-Displays, photocoupler and IR-components.

contact technique

Dr. Thomas Wolf
Fon: +49 7452 6007 23
Fax: +49 7452 6007 823

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