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PDF SC9153 Data sheet ( Hoja de datos )
| Número de pieza | SC9153 | |
| Descripción | 2-Channel Electronic Volume Controller | |
| Fabricantes | SL | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SC9153 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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SC9153
2-CH ELECTRONIC VOLUME CONTROLLER
DESCRIPTION
The SC9153 is CMOS IC which has been designed for electronization
volume control of audio equipment,etc.
FEATURES
* Wide operating voltage range(VDD=6V ~ 12V)
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* Low current comsumption.
* Attenuation can be controlled from 0dB to –66dB by 2dB/step
* Both of dual power suppliers of (+) and (-) and a single power supply
can be used.
* Be capable of controlling attenuation by means of the built-in
oscillator and the up/down terminals.
DIP-16-300-2.54
ORDERING INFORMATION
Device
Package
SC9153 DIP-16-300-2.54
BLOCK DIAGRAM
VDD
16
U/D 10
OSC 9 OSC
U/D 7 Bits Bidirectional
CK shift registor
INT
L-OUT1 2
L-IN1 3
A-GND 4
L-IN2 5
L-OUT2 6
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
VDD
CK
CK
VSS
1
U/D 6 Bits Bidirectional
CK shift registor
INT
Auto Initialize
Circuit
Constant
Current
Circuit
7 INH
8 DCO
CK A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
15 R-OUT1
14 R-IN1
CK
A-SW
A-SW
A-SW
A-SW
A-SW
A-SW
13 A-GND
12 R-IN2
11 R-OUT2
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
Rev:2.2 2007.05.10
Page 1 of 9
1 page  
SC9153
3. ATTENUATOR
The attenuator unit consist of diffused resistors and analog switches. Attenuator-1 attenuates 0 ~ 60dB at
10dB/step while Attenuator-2 attenuates 2~8db at 2dB/step, a total of 0~ 66dB at 2dB/step.
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IN1
R1
R1
R1
R1
R1
R1
A-GND
R1
Buffer
0
OUT1
IN2
R2
-10
R2
-20
R2
-30
R2
-40
0
OUT2
-2
-4
-6
-8
-50
-60
Attenuator-1
R1=50k (typical)
R2=20k (typical)
R2 -¡Þ
Attenuator-2
If there is possibility for excessive voltage being to
the attenuator, it is recommended to insert a
protected diode as illustrated below.
4. POWER SUPPLY
DUAL POWER SUPPLY
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
Rev:2.2 2007.05.10
Page 5 of 9
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet SC9153.PDF ] | |
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