ALS-PDIC17-77B-TR8 Datasheet, PDF (6/13 Pages) Everlight Electronics Co., Ltd – Ambient Light Sensor

Surface - Mount
Ambient Light Sensor
ALS-PDIC17-77B/TR8
Typical Electrical and Optical Characteristics Curves
Fig.5 Light Current vs. Illuminance
Fig.6 Dark Current vs. Temperature
10000
1000
100
10
1
0.1
1
Fluorescent light
Incandescent lamp
10
100
1000
Illuminance (Lux)
10000
Fig.7 Light current vs. Temperature
2.0
1.8 ^VCE ^{= 3V}
1.6 ^{EV = 100 Lux}
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.0
-60 -40 -20
0
20
40
60
80 100
℃ Temperature ( )
Fig.9 Spectral Response
Fig.8 Light current vs. Supply Voltage
1.6
℃ Ta = 25
1.2
0.8
0.4
0.0
2
3
4
5
6
7
Supply voltage (V)
Fig.10 Output Voltage vs. Illuminance
100
80
60
40
20
0
200 300 400 500 600 700 800 900 1000 1100 1200
Wavelength (nm)
10
℃ ^{Vcc = 3V}
Ta = 25
1
0.1
0.01
Fluorescent light R_L = 5.1 kΩ
Incandescent lamp R_L = 5.1 kΩ
Fluorescent light R_L = 30 kΩ
Incandescent lamp R_L = 30 kΩ
Fluorescent light R_L = 100 kΩ
Incandescent lamp R_L = 100 kΩ
1E-3
1
10
100
1000
Illuminance (Lux)
10000
Everlight Electronics Co., Ltd.
Document No: DLS-0000020 Rev 1
6
http://www.everlight.com
Mar. 26, 2010