Data Sheet

VEML7700
www.vishay.com
Vishay Semiconductors
Rev. 1.1, 07-Dec-16
3
Document Number: 84286
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BASIC CHARACTERISTICS (T
amb
= 25 °C, unless otherwise specified)
Fig. 2 - Spectral Response Fig. 3 - White Channel Sensitivity Spectrum
ALS sensitivity spectrum close to human eye photopic curve v(λ). Human eye curve adaption achieved by Filtron
TM
technology.
Fig. 4 - Relative Radiant Sensitivity vs. Angular Displacement
Fig. 5 - ALS measurement deviation between different light sources: ≤ 10 %
0
20
40
60
80
100
120
400 500 600 700 800 900 1000
λ - Wavelength (nm)
Normalized Responsivity
V(λ)
VEML7700
0
20
40
60
80
100
120
250 350 450 550 650 750 850 950 1050
Normalized Responsivity
λ - Wavelength (nm)
0° 20°
40°
60°
80°
0.6
0.7
0.8
0.9
1.0
00.10.20.30.40.5
S
rel
- Relative Sensitivity
22308
ϕ - Angular Displacement
nom.
0
20
100
120
0 20406080100120
Reading of ALS (klx)
Brightness Acc. Calibrated Luxmeter (klx)
80
60
40
nom. -10 %
nom. +10 %