Datasheet

LifecyclePhase:
Revision : 1
Expired Period: Forever
Release Date:2011-08-30 13:40:46.0
Everlight Electronics Co., Ltd. http:\\www.everlight.com
Document No: DLS-0000001 Rev1 Sep. 19, 2007
5
Surface - Mount
Ambient Light Sensor
ALS-PT17-51C/L177/TR8
1 2 3 4 5 6 7
1
10
100
1000
10000
V
CE
= 5V
E
V
= 100 Lux
Light current (uA)
Supply voltage (V)
-60 -40 -20 0 20 40 60 80 10 0
1
10
100
10 00
10000
V
CE
= 5V
E
V
= 100 Lu x
Light current (uA)
Tem peratu re ( )℃
-60 -40 -20 0 20 40 60 80 100
0.01
0.1
1
10
100
1000
10000
100000
V
CE
= 7V
E
V
= 0 Lux
Dark current (nA)
Temperature ( )℃
Typical Electrical and Optical Characteristics Curves
Fig.1 Light Current vs. Illuminance Fig.2 Output Voltage vs. Illuminance
1 10 100 1000 10000
0.01
0.1
1
10
Ta=25
o
C; Vcc=5V
Flourescent Light
incandescent Lamp
Output Current (mA)
Illuminance Ev (Lux)
1 10 100 1000 10000
1E-4
1E-3
0.01
0.1
1
10
Ta=25
o
C ; Vcc=5V
Fluorescent light RL=1K
Fluorescent light RL=7.5K
Fluorescent light RL=75K
Ouput Voltage Vo (V)
Illuminance Ev (Lux)
Fig.3 Spectral Response Fig.4 Light current vs. Supply Voltage
Fig.5 Light Current vs. Temperature
Fig.6 Dark Current vs. Temperature