TSOP942.., TSOP944..

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Vishay Semiconductors

Rev. 1.5, 14-Dec-2021

4

Document Number: 82834

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Fig. 7 - Sensitivity vs. Supply Voltage Disturbances

Fig. 8 - Max. Envelope Duty Cycle vs. Burst Length

Fig. 9 - Sensitivity vs. Ambient Temperature

Fig. 10 - Relative Spectral Sensitivity vs. Wavelength

Fig. 11 - Directivity

Fig. 12 - Sensitivity vs. Supply Voltage

10

100

1000

10000

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1

10

100

1000

Axis Title

∆V

S RMS - AC Voltage on DC Supply Voltage (mV)

f = 100 Hz

f = 10 kHz

f = 30 kHz

f = f

0

10

100

1000

10000

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

0

20406080

100

120

Axis Title

Burst Length (Number of Cycles/Burst)

TSOP944..

TSOP942..

f = 38 kHz, E

e = 2 mW/m

2

10

100

1000

10000

0

0.05

0.10

0.15

0.20

0.25

0.30

-30

-10

10

30

50

70

90

Axis Title

T

amb - Ambient Temperature (°C)

10

100

1000

10000

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

750

850

950

1050

1150

Axis Title

λ - Wavelength (nm)

Axis Title

d

rel. - Relative Transmission Distance

1.0

0.9

0.7

0.8

30°

50°

40°

80°

0.6

0.4

0.2

00.4

0.2

0.6

20°

10°

0°

60°

70°

10

100

1000

10000

0

0.05

0.10

0.15

0.20

0.25

1.0

1.5

2.0

2.5

3.0

3.5

4.0

Axis Title

V

S - Supply Voltage (V)