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visible light sensor,photo diode,optical sensor
visible light sensor,photodiode,optical sensor. Repalacement of photo resistor- visible light sensor with a current output which
Visible light sensor,photodiode,optical sensor:
A low cost visible light sensor, with a current output which is directly proportional to the light level. It has a built in optical filter to provide a response which is close to the human eye, or photopic. The output current can be converted to a voltage by connecting it in series with a resistor. The dynamic range is determined by the external resistor and power supply (10K and 5V gives a range of 0 to 200 Lux, but can be over 700 Lux with a 1K resistor). The internal dark current cancellation enables high accuracy over the full temperature range, even at low light levels.
Features:
· Integrated high gain photo-current amplifier
· Dark-current cancellation
Size: 3.2*1.6*1.1mm
Electrical specification:
1. Infra red response: 900nm, 1% of peak
2. Light current @ 200lux:150-350uA
@100lux: 75-175uA
@10lux: 7.5-17.5uA
3. Dark current @ 0 lux, Ta=25degree C: <1 nA
@0 lus, Ta=85degree C: 150 nA
4. Useable light range (Rss &Vdd dependant): 600-1000lux
Applications:
· Dawn/dusk sensing
· Security lighting
· Display backlighting in laptops, mobile phones, LCD TVs
· Night-lights