TCS3471
COLOR LIGHT-TO-DIGITAL CONVERTER
TAOS115 − MARCH 2011
TYPICAL CHARACTERISTICS
PHOTODIODE SPECTRAL RESPONSIVITY
1
0.9
0.8
Relative Responsivity
0.7
Red
Clear
110%
Normalized to
Clear
@ 755 nm
T
A
= 25°C
I
DD
Normalized @ 3 V, 255C
108%
NORMALIZED I
DD
vs.
V
DD
and TEMPERATURE
755C
106%
104%
505C
255C
0.6
0.5
0.4
0.3
Blue
102%
100%
05C
98%
96%
94%
92%
2.7
0.2
0.1
0
300
Green
500
700
900
λ
− Wavelength − nm
1100
2.8
2.9
3
3.1
3.2
3.3
V
DD
— V
Figure 2
Figure 3
NORMALIZED RESPONSIVITY
vs.
ANGULAR DISPLACEMENT
1.0
10,000
Temperature Coefficient — ppm/
5C
RESPONSIVITY TEMPERATURE
COEFFICIENT
0.8
Normalized Responsivity
Optical Axis
0.6
1000
0.4
0.2
0
−90
-Q
+Q
90
−60
−30
0
30
60
Q
− Angular Displacement −
°
100
400
500
600
700
800
900
1000
λ
− Wavelength − nm
Figure 4
Figure 5
Copyright
E
2011, TAOS Inc.
r
r
The
LUMENOLOGY
r
Company
6
www.taosinc.com
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
