Everlight Electronics Co., Ltd. http://www.everlight.com
Document No: DLS-0000009 Rev 4 December 7, 2010
6
Surface-Mount
ALS-PDIC15-21C/L230/TR8
Ambient Light Sensor
Typical Electrical and Optical Characteristics Curves
Fig.5 Light Current vs. Illuminance Fig.6 Dark Current vs. Temperature
-60 -40 -20 0 20 40 60 80 100
1E-3
0.01
0.1
1
10
100
1000
10000
100000
Average dark current vs. Temperature
Vcc = 3V , Ev= 0 Lux
Average dark current (nA)
Temperature ( )℃
Fig.7 Light current vs. Temperature Fig.8 Light current vs. Supply Voltage
-60 -40 -20 0 20 40 60 80 100
0.84
0.86
0.88
0.90
0.92
0.94
0.96
0.98
1.00
1.02
1.04
1.06
1.08
1.10
Relative light current vs. Temperature
Vcc = 3V , Ev = 100 Lux
Relative light current
Temperature ( )℃
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
0.90
0.95
1.00
1.05
1.10
1.15
1.20
1.25
1.30
Relative light current vs. Supply voltage
Ev = 100Lux
Relative light current
Supply voltage (V)
Fig.9 Spectral Response Fig.10 Output voltage vs. Temperature
200 300 400 500 600 700 800 900 1000 1100
0.0
0.2
0.4
0.6
0.8
1.0
1.2
T
a
= 25 ℃
Relative sensitivity
Wavelength (nm)
-60 -40 -20 0 20 40 60 80 100
0
1
2
3
4
5
6
7
8
V
CC
= 3V
E
V
= 100 Lux
R
L
= 75KΩ
Output voltage (V)
Temperature ( )℃
