ALS-PT19-315C Datasheet, PDF (5/11 Pages) Everlight Electronics Co., Ltd – Surface - Mount Ambient Light Sensor

Surface - Mount
Ambient Light Sensor
ALS-PT19-315C/L177/TR8
Typical Electrical and Optical Characteristics Curves
Fig.1 Light Current vs. Illuminance
Fig.2 Output Voltage vs. Illuminance
10
10
Ta=25^oC; Vcc=5V
Flourescent Light
incandescent Lamp
1
1
0.1
0.1
0.01
1
10
100
1000
Illuminance Ev (Lux)
10000
0.01
1E-3
1E-4
1
Ta=25^oC ; Vcc=5V
Fluorescent light RL=1KΩ
Fluorescent light RL=7.5KΩ
Fluorescent light RL=75KΩ
10
100
1000
Illuminance Ev (Lux)
10000
Fig.3 Spectral Response
100
Spectral Response (Typ.)
80
60
40
20
0
300
400
500
600
700
800
900
Wavelength λ (nm)
Fig.4 Light current vs. Supply Voltage
1 .0 4
Ev = 100 Lux
1 .0 3
1 .0 2
1 .0 1
1 .0 0
0 .9 9
0 .9 8
0 .9 7
0 .9 6
2.0
2.5
3.0
3 .5
4 .0
4.5
Vcc (V)
Fig.5 Light Current vs. Temperature
1.3
Ev = 100 Lux
1.2
1.1
1.0
0.9
0.8
0.7
0.6
-40
-20
0
20
40
60
℃ Temperature ( )
80
100
Fig.6 (LED) Light Current vs. Illuminance
250
Light current vs. Illuminance
200
150
100
50
0
0 100 200 300 400 500 600 700 800 900 10001100
illuminance (Lux)
Everlight Electronics Co., Ltd.
Document No: DAS-019-002 Rev2.0
5
http:\\www.everlight.com
Jan. 25, 2008