TSOP34436ST1 Vishay, TSOP34436ST1 Datasheet - Page 5

• Manufacturer Part Number: TSOP34436ST1
• Manufacturer: Vishay

Specifications of TSOP34436ST1

• Operating Supply Voltage (typ): 3.3/5V
• Operating Supply Voltage (min): 2.5V
• Operating Supply Voltage (max): 5.5V
• Mounting: Through Hole
• Pin Count: 3
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

SUITABLE DATA FORMAT
The TSOP348.., TSOP344.. series are designed to suppress
spurious output pulses due to noise or disturbance signals.
Data and disturbance signals can be distinguished by the
devices according to carrier frequency, burst length and
envelope duty cycle. The data signal should be close to the
band-pass center frequency (e.g. 38 kHz) and fulfill the
conditions in the table below.
When a data signal is applied to the TSOP348.., TSOP344..
in the presence of a disturbance signal, the sensitivity of the
receiver is reduced to insure that no spurious pulses are
present at the output. Some examples of disturbance signals
which are suppressed are:
• DC light (e.g. from tungsten bulb or sunlight)
• Continuous signals at any frequency
• Strongly or weakly modulated noise from fluorescent
Note
For data formats with short bursts please see the datasheet for TSOP341.., TSOP343..
Document Number: 81732
Rev. 1.3, 29-Jan-09
Minimum burst length
After each burst of length
a minimum gap time is required of
For bursts greater than
a minimum gap time in the data stream is needed of
Maximum number of continuous short bursts/second
Recommended for NEC code
Recommended for RC5/RC6 code
Recommended for Sony code
Recommended for Thomson 56 kHz code
Recommended for Mitsubishi code (38 kHz, preburst 8 ms, 16 bit)
Recommended for Sharp code
Suppression of interference from fluorescent lamps
lamps with electronic ballasts (see figure 14 or figure 15)
Remote Control Systems
IR Receiver Modules for
Most common disturbance
signals are suppressed
16920
16921
> 4 x burst length
10 cycles/burst
10 to 70 cycles
TSOP348..
≥ 10 cycles
70 cycles
0
0
Fig. 14 - IR Signal from Fluorescent Lamp
Fig. 15 - IR Signal from Fluorescent Lamp
1800
yes
yes
yes
yes
yes
yes
Lamp with High Modulation
IR Signal from Fluorescent
TSOP348.., TSOP344..
IR Signal from Fluorescent
Lamp with Low Modulation
10
5
with High Modulation
with Low Modulation
Vishay Semiconductors
Time (ms)
Time (ms)
10
10
Even extreme disturbance
signals are suppressed
> 10 x burst length
10 cycles/burst
10 to 35 cycles
15
15
TSOP344..
≥ 10 cycles
35 cycles
1500
yes
yes
yes
yes
no
no
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20
20
125