TSOP132.., TSOP134.., TSOP136..
www.vishay.com
Vishay Semiconductors
Rev. 1.4, 27-Apr-2018
5
Document Number: 82806
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
SUITABLE DATA FORMAT
This series is designed to suppress spurious output pulses
due to noise or disturbance signals. The devices can
distinguish data signals from noise due to differences in
frequency, burst length, and envelope duty cycle. The data
signal should be close to the device’s band-pass center
frequency (e.g. 38 kHz) and fulfill the conditions in the table
below.
When a data signal presented to the device in the
presence of a disturbance, the sensitivity of the receiver is
automatically reduced by the AGC to insure that no spurious
pulses are present at the receiver’s output. Some examples
which are suppressed are:
• DC light (e.g. from tungsten bulbs sunlight)
• Continuous signals at any frequency
• Strongly or weakly modulated patterns from fluorescent
lamps with electronic ballasts (see Fig. 13 or Fig. 14)
• 2.4 GHz and 5 GHz Wi-Fi
Fig. 13 - IR Disturbance from Fluorescent Lamp
With Low Modulation
Fig. 14 - IR Disturbance from Fluorescent Lamp
With High Modulation
Note
• For data formats with short bursts please see the datasheet for TSOP131.., TSOP133.., TSOP135..
16920
10
100
1000
10000
0
1
2
3
4
5
6
7
0 5 10 15 20
Axis Title
1st line
2nd line
2nd line
IR Signal Amplitude
Time (ms)
16921
10
100
1000
10000
-60
-40
-20
0
20
40
0 5 10 15 20
Axis Title
1st line
2nd line
2nd line
IR Signal Amplitude
Time (ms)
TSOP132.. TSOP134.. TSOP136..
Minimum burst length 16 cycles/burst 10 cycles/burst 16 cycles/burst
After each burst of length
a minimum gap time is required of
16 to 85 cycles
≥ 18 cycles
6 to 40 cycles
≥ 12 cycles
6 to 50 cycles
≥ 18 cycles
For bursts greater than
a minimum gap time in the data stream is needed of
85 cycles
> 6 x burst length
40 cycles
> 10 x burst length
50 cycles
> 10 x burst length
Maximum number of continuous short bursts/second 800 1300 800
RC-5 code Yes Preferred Preferred
RC-6 code Yes Preferred Yes
NEC code Yes Preferred Yes
r-step code Yes Preferred Yes
Sony code Preferred No No
RCA 56 kHz code Yes Yes Preferred
Suppression of interference from fluorescent lamps Fig. 13 Fig. 13 and Fig. 14 Fig. 13 and Fig. 14
