TSL245R
INFRARED LIGHT-TO-FREQUENCY CONVERTER
TAOS060D − SEPTEMBER 2007
TYPICAL CHARACTERISTICS
OUTPUT FREQUENCY
vs
IRRADIANCE
PHOTODIODE SPECTRAL RESPONSE
1
1000
100
10
T
A
= 25°C
V
= 5 V
= 940 nm
= 25°C
DD
λ
p
T
A
0.8
0.6
1
0.4
0.2
0.1
0.01
0.001
0
600
0.001
0.01
0.1
1
10
1000
100
700
800
900
1000
1100
2
λ − Wavelength − nm
E
− Irradiance − μW/cm
e
Figure 1
Figure 2
OUTPUT FREQUENCY
vs
SUPPLY VOLTAGE
DARK FREQUENCY
vs
TEMPERATURE
1.2
1
1.010
1.005
1.000
0.995
0.990
0.985
V
= 5 V
= 25°C
= 20 kHz
V
= 5 V
DD
DD
T
E = 0
A
e
f
O
0.8
0.6
0.4
0.2
0
0.980
−25
0
25
50
75
2.5
3
3.5
4
4.5
5
5.5
T
A
− Temperature − °C
V
− Supply Voltage − V
DD
Figure 3
Figure 4
Copyright E 2007, TAOS Inc.
The LUMENOLOGY r Company
r
r
www.taosinc.com
3
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
