tsl238 TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS, tsl238 Datasheet - Page 5

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

NOTE A: Internal offsets that result in dark frequency can be both positive and negative. The dashed line represents the case of negative offset
The LUMENOLOGY r Company
in which an equivalent amount of light signal is required to obtain a non-zero output frequency.
0.8
0.6
0.4
0.2
−1.5
−3.0
−4.5
−6.0
−7.5
7.5
1
0
6.0
4.5
3.0
1.5
0.0
−90
−25
TYPICAL CHARACTERISTICS
NORMALIZED OUTPUT FREQUENCY
r
−60
ANGULAR DISPLACEMENT
−5
Q − Angular Displacement − °
FREE-AIR TEMPERATURE
T
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A
Angular Displacement is
Equal for Both Aspects
− Free-Air Temperature − °C
−30
DARK FREQUENCY
Figure 5
Figure 6
15
vs.
vs.
0
35
30
NOTE A
LIGHT-TO-FREQUENCY CONVERTER
60
55
r
90
75
HIGH-SENSITIVITY
TAOS073F − OCTOBER 2007
Copyright E 2007, TAOS Inc.
TSL238
5