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| ALS-PDIC144-6C-L378 Datasheet, PDF (6/8 Pages) Everlight Electronics Co., Ltd – 3mm T-1 Ambient Light Sensor | |||
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3mm T-1
Ambient Light Sensor
Converting Photocurrent to Voltage
ALS-PDIC144-6C/L378
Note:
1. The output voltage (Vout) is the product of photocurrent (IPH) and loading resistor (RL)
2. A right loading resistor shall be chosen to meet the requirement of maximum ambient light
and output saturation voltageï¼
Vout(max.) = Iout(max.) à RL ⦠Vout(saturation)ï¼Vccï¼0.8V
3. To avoid 60Hz ripple from fluorescent lights, suggest that time constant must be greater than
0.5secondï¼
RL x CL > 0.5 (empirical data)
Everlight Electronics Co., Ltd.
Document No: DLS- 0000031 Rev 1
6
http://www.everlight.com
December. 16 ,2010
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