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TMD4903 Datasheet, PDF (8/86 Pages) ams AG – Color and Proximity Sensor Module with mobeam
TMD4903− ElectricalCharacteristics
Figure 9:
Color Ratio Characteristics, VDD = 1.8V, TA = 25ºC
Ratio of Color to Clear Channel
Parameter
Test Conditions Red Channel Green Channel Blue Channel
Min Max Min Max Min Max
White LED, 2700 K
Color ADC count value
ratio: Color/Clear
λD = 465 nm (1)
λD = 525 nm (2)
λD = 615 nm (3)
45%
65%
19%
0%
15%
10%
4%
25%
60%
80% 110%
0%
39% 15% 40%
42% 70% 90%
85% 10% 45%
14%
5%
24%
Note(s) and/or Footnote(s):
1. The 465 nm input irradiance is supplied by an InGaN light-emitting diode with the following characteristics: dominant wavelength
λD = 465 nm, spectral halfwidth Δλ½ = 22 nm.
2. The 525 nm input irradiance is supplied by an InGaN light-emitting diode with the following characteristics: dominant wavelength
λD = 525 nm, spectral halfwidth Δλ½ = 35 nm.
3. The 615 nm input irradiance is supplied by an AlInGaP light-emitting diode with the following characteristics: dominant wavelength
λD = 615 nm, spectral halfwidth Δλ½ = 15 nm.
Page 8
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ams Datasheet
[v1-12] 2015-May-14