tsl237 TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS, tsl237 Datasheet - Page 4

• Manufacturer Part Number: tsl237
• Description: High-sensitivity Light-to-frequency Converter
• Manufacturer: TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS

TSL237
HIGH-SENSITIVITY
LIGHT-TO-FREQUENCY CONVERTER
TAOS052G − SEPTEMBER 2007
NOTE A: Internal offsets that result in dark frequency can be both positive and negative. The dashed line represents the case of negative offset
4
Copyright E 2007, TAOS Inc.
1.0
0.8
0.6
0.4
0.2
0
−90
in which an equivalent amount of light signal is required to obtain a non-zero output frequency.
VERTICAL ANGULAR DISPLACEMENT
−60
Q − Angular Displacement − °
OUTPUT FREQUENCY
-Q
−30
Figure 5
vs.
0
−0.5
−1.0
−1.5
−2.0
−2.5
2.5
2.0
1.5
1.0
0.5
0.0
−25
30
+Q
TYPICAL CHARACTERISTICS
r
60
−5
FREE-AIR TEMPERATURE
T
www.taosinc.com
A
− Free-Air Temperature − °C
DARK FREQUENCY
90
Figure 7
15
vs.
35
1.0
0.8
0.6
0.4
0.2
0
−90
NOTE A
HORIZONTAL ANGULAR DISPLACEMENT
55
−60
Q − Angular Displacement − °
r
OUTPUT FREQUENCY
-Q
−30
75
Figure 6
vs.
The LUMENOLOGY r Company
0
30
+Q
60
90