TSL237

HIGH-SENSITIVITY

LIGHT-TO-FREQUENCY CONVERTER

TAOS052G − SEPTEMBER 2007

4

r

r

Copyright E 2007, TAOS Inc.

The LUMENOLOGY r Company

www.taosinc.com

TYPICAL CHARACTERISTICS

Figure 5

OUTPUT FREQUENCY

vs.

VERTICAL ANGULAR DISPLACEMENT

Q − Angular Displacement − °

0

0.2

0.4

0.6

0.8

1.0

−90

−60

−30

0

30

60

90

-Q

+Q

Figure 6

OUTPUT FREQUENCY

vs.

HORIZONTAL ANGULAR DISPLACEMENT

Q − Angular Displacement − °

0

0.2

0.4

0.6

0.8

1.0

−90

−60

−30

0

30

60

90

-Q

+Q

Figure 7

DARK FREQUENCY

vs.

FREE-AIR TEMPERATURE

−2.5

−1.5

−0.5

0.5

1.5

2.5

−25

−515

35

55

75

−2.0

−1.0

0.0

1.0

2.0

NOTE A

NOTE A: Internal offsets that result in dark frequency can be both positive and negative. The dashed line represents the case of negative offset

in which an equivalent amount of light signal is required to obtain a non-zero output frequency.