tsl238 TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS, tsl238 Datasheet - Page 4

• Manufacturer Part Number: tsl238
• Description: High-sensitivity Light-to-frequency Converter
• Manufacturer: TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

TSL238
HIGH-SENSITIVITY
LIGHT-TO-FREQUENCY CONVERTER
TAOS073F − OCTOBER 2007
4
Copyright E 2007, TAOS Inc.
0.001
1000
2.0
1.6
1.2
0.8
0.4
0.01
100
0.1
0
10
−25
0.001
1
V
λ
T
p
A
DD
= 524 nm
= 25°C
0.01
= 5 V
FREE-AIR TEMPERATURE
T
A
0
− Free-Air Temperature − °C
E
SUPPLY CURRENT
OUTPUT FREQUENCY
e
0.1
− Irradiance − μW/cm
Figure 3
Figure 1
IRRADIANCE
vs.
25
vs
1
10
TYPICAL CHARACTERISTICS
50
2
r
10 0
www.taosinc.com
75
1 k
1.200
1.100
1.000
0.900
0.800
0.700
0.600
0.500
0.8
0.6
0.4
0.2
1
0
−25
300 400
PHOTODIODE SPECTRAL RESPONSIVITY
T
FREE-AIR TEMPERATURE
500
A
r
OUTPUT FREQUENCY
0
− Free-Air Temperature − °C
λ − Wavelength − nm
Figure 4
600
Figure 2
vs.
700
The LUMENOLOGY r Company
25
800
900
50
1000
1100
75