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PDF TSOP38256 Data sheet ( Hoja de datos )
| Número de pieza | TSOP38256 | |
| Descripción | IR Receiver Modules | |
| Fabricantes | Vishay | |
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TSOP382.., TSOP384..
Vishay Semiconductors
IR Receiver Modules for Remote Control Systems
19026
MECHANICAL DATA
Pinning for TSOP382.., TSOP384..:
1 = OUT, 2 = GND, 3 = VS
FEATURES
• Very low supply current
• Photo detector and preamplifier in one package
• Internal filter for PCM frequency
• Improved shielding against EMI
• Supply voltage: 2.5 V to 5.5 V
• Improved immunity against ambient light
• Insensitive to supply voltage ripple and noise
• Material categorization:
for definitions of compliance please see
www.vishay.com/doc?99912
DESCRIPTION
These products are miniaturized IR receiver modules for
infrared remote control systems. A PIN diode and a
preamplifier are assembled on a leadframe, the epoxy
package contains an IR filter.
The demodulated output signal can be directly connected to
a microprocessor for decoding.
The TSOP382.. and TSOP384.. are optimized to suppress
almost all spurious pulses from energy saving lamps like
CFLs. The AGC4 used in the TSOP384.. may suppress
some data signals. The TSOP382.. is a legacy product for
all common IR remote control data formats. Between these
two receiver types, the TSOP384.. is preferred. Customers
should initially try the TSOP384.. in their design.
These components have not been qualified according to
automotive specifications.
PARTS TABLE
AGC
30 kHz
33 kHz
Carrier frequency
36 kHz
38 kHz
40 kHz
56 kHz
Package
Pinning
Dimensions (mm)
Mounting
Application
Best remote control code
LEGACY, FOR LONG BURST REMOTE
CONTROLS (AGC2)
RECOMMENDED FOR LONG
BURST CODES (AGC4) (1)
TSOP38230
TSOP38430
TSOP38233
TSOP38433
TSOP38236
TSOP38436 (2)(3)(4)
TSOP38238
TSOP38438 (5)(6)
TSOP38240
TSOP38440
TSOP38256
TSOP38456 (7)(8)
Minicast
1 = OUT, 2 = GND, 3 = VS
5.0 W x 6.95 H x 4.8 D
Leaded
Remote control
(2) RC-5 (3) RC-6 (4) Panasonic (5) NEC (6) Sharp (7) r-step (8) Thomson RCA
Note
(1) We advise try AGC4 first if the burst length is unknown
Rev. 1.3, 27-Feb-15
1 Document Number: 82491
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
1 page  
www.vishay.com
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 is applied to the product 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 figure 14 or figure 15).
TSOP382.., TSOP384..
Vishay Semiconductors
0
16920
5 10 15
Time (ms)
20
Fig. 14 - IR Disturbance from Fluorescent Lamp
with Low Modulation
0
16921
5 10 15
Time (ms)
20
Fig. 15 - IR Disturbance from Fluorescent Lamp
with High Modulation
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
NEC code
RC5/RC6 code
Thomson 56 kHz code
Sharp code
Suppression of interference from fluorescent lamps
TSOP382..
10 cycles/burst
10 to 70 cycles
≥ 10 cycles
70 cycles
> 4 x burst length
1800
yes
yes
yes
yes
Most common disturbance
patterns are suppressed
Notes
• For data formats with short bursts please see the datasheet for TSOP383.., TSOP385..
• Best choice of AGC for some popular IR-codes:
- TSOP38436: RC-5, RC-6, Panasonic
- TSOP38438: NEC, Sharp, r-step
- TSOP38456: r-step, Thomson RCA
• For Sony 12, 15, and 20 bit IR-codes please see the datasheet of TSOP34S40F, TSOP32S40F
TSOP384..
10 cycles/burst
10 to 35 cycles
≥ 10 cycles
35 cycles
> 10 x burst length
1500
preferred
preferred
preferred
preferred
Even extreme disturbance
patterns are suppressed
Rev. 1.3, 27-Feb-15
5 Document Number: 82491
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
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet TSOP38256.PDF ] | |
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