TSL2771 Datasheet, PDF (8/33 Pages) ams AG – LIGHT-TO-DIGITAL CONVERTER with PROXIMITY SENSING

TSL2771
LIGHT-TO-DIGITAL CONVERTER
with PROXIMITY SENSING
TAOS100B − FEBRUARY 2011
TYPICAL CHARACTERISTICS
SPECTRAL RESPONSIVITY
1
TYPICAL LDR CURRENT
vs.
VOLTAGE
160
Ch 0
0.8
lid ^0.6
a _0.4
v _{Ch 1}
ill ^0.2
t ₀
G _{s 300 400 500 600 700 800 900 1000 1100}
λ − Wavelength − nm
A ^t _{Figure 2}
ms ^ten _110%
NORMALIZED I_DD
vs.
V_DD and TEMPERATURE
a ⁿ _108%
o _106%
755C
c _104%
l _102%
505C
255C
a _100%
ic^05C
98%
96%
n _94%
h _92%
c _{2.7 2.8}
2.9
3
3.1 3.2
3.3
e ^{VDD — V}
T ^{Figure 4}
140
100 mA
120
100
80
50 mA
60
40
25 mA
20
12.5 mA
0
0
0.5
1
1.5
2
2.5
3
LDR Voltage − V
Figure 3
NORMALIZED RESPONSIVITY
vs.
ANGULAR DISPLACEMENT
1.0
0.8
0.6
0.4
0.2
0
-Q
+Q
−90 −60 −30
0
30
60
90
Q − Angular Displacement − °
Figure 5
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r
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Copyright E 2011, TAOS Inc.
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