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PDF SC5262 Data sheet ( Hoja de datos )
| Número de pieza | SC5262 | |
| Descripción | REMOTE CONTROL ENCODER | |
| Fabricantes | Silan Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SC5262 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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SC5262
312 ADDRESS REMOTE CONTROL ENCODER
DESCRIPTION
The SC5262 is a remote control encoder paired with SC5272 utilizing
CMOS technology. It encodes data and address pins into a serial coded
waveform suitable for RF or IR modulation. SC5262 has a maximum of
12-bits of tri-state address pins providing up to 531,441(or 312) address
codes; thereby, drastically reducing any code collision and unauthorized
code scanning possibilities.
FEATURES
* Low power consumption and very high noise immunity
* Up to 12 tri-state code address pins or 6 data pins
* Wide operating voltage range(VCC=3V ~ 15V)
* Single resistor oscillator
* Latch or Momentary output type
ORDERING INFORMATION
APPLICATIONS
* Home/automation security system
* Remote control toys or for
industrial use
* Remote control fan
* Garage door controller
BLOCK DIAGRAM
The block diagram is for DIP-18(hereinafter is the same)
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2004.08.03
Page 1 of 10
1 page  
SC5262
Encoder OSC Frequency
100
R=510k
R=1M
R=2M
R=3.3M
10
R=4.7M
Decoder OSC Frequency
1000
R=100k
R=240k
100 R=510k
R=1M
10 R=2M
1
0
3 6 9 12
Supply Voltage (V)
15
1
0
3 6 9 12
Supply Voltage (V)
15
Suggested Oscillator resistor values are shown below:
SC5262
4.7M
3.3M
1.2M
SC5272
820k
680k
200k
2. IR OPERATION
In the IR Type of operation, the functions are similar to the above descriptions except for the output waveform
that has a carrier frequency of 38kHz. Details are as follow.
Code Bits
The Code Bits are further modulated with a 38kHz carrier frequency and can be”0”,”1”or “f ”bit. Their
waveform are shown below:
OSC
"0"
"1"
"f"
Sync
Note: =2 clock lengths
Code Word
A Code Word is made up of code bits and the format is the same as that of the RF Code Word.
Code Frame
Likewise, a Code Frame is made up of Code Words and the format is the same as that of RF type of operation.
Oscillator
The oscillator frequency for the IR type of operation is twice the carrier frequency. Thus, the oscillator frequency
should be kept at 76kHz. A 430k~470kΩ oscillator resistor between OSC1 and OSC2 pins is recommended. It
should be noted that the carrier is a 50% duty cycle frequency.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.0 2004.08.03
Page 5 of 10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet SC5262.PDF ] | |
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