TSOP17 VISHAY [Vishay Siliconix], TSOP17 Datasheet - Page 4
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TSOP17
Manufacturer Part Number
TSOP17
Description
IR Receiver Modules for Remote Control Systems
Manufacturer
VISHAY [Vishay Siliconix]
Datasheet
1.TSOP17.pdf
(7 pages)
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TSOP17..KA1
Vishay Semiconductors
Document Number 82033
Rev. 10, 15-Oct-2002
16915
16918
94 8408
Figure 11. Relative Spectral Sensitivity vs. Wavelength
Figure 9. Max. Envelope Duty Cycle vs. Burstlength
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1.2
1.0
0.8
0.6
0.4
0.2
Figure 10. Sensitivity vs. Ambient Temperature
–30 –15
0
10
750
Burst Length ( number of cycles / burst )
Sensitivity in dark ambient
T
amb
30
f = 38 kHz, E
850
– Ambient Temperature ( C )
0
l – Wavelength ( nm )
15
50
30
950
e
= 2 mW/m
70
45
60
1050
90
2
75
110
90
1150
Suitable Data Format
The circuit of the TSOP17..KA1 is designed in that
way that unexpected output pulses due to noise or
disturbance signals are avoided. A bandpassfilter, an
integrator stage and an automatic gain control are
used to suppress such disturbances.
The distinguishing mark between data signal and dis-
turbance signal are carrier frequency, burst length
and duty cycle.
The data signal should fulfill the following conditions:
• Carrier frequency should be close to center fre-
quency of the bandpass (e.g. 38 kHz).
• Burst length should be 10 cycles/burst or longer.
• After each burst which is between 10 cycles and 70
cycles a gap time of at least 14 cycles is necessary.
• For each burst which is longer than 1.8 ms a corre-
sponding gap time is necessary at some time in the
95 11340p2
95 11339p2
1.0
0.9
1.0
0.9
0.8
0.7
0.8
0.7
0.6
0.6
d
d
Figure 12. Horizontal Directivity ϕ
rel
rel
0.4
0.4
Figure 13. Vertical Directivity ϕ
– Relative Transmission Distance
– Relative Transmission Distance
0.2
0.2
0
0
0
0
0.2
0.2
10
10
0.4
0.4
20
20
0.6
0.6
y
30
40
50
60
70
80
30
40
50
60
70
80
x
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4