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PDF SC9260 Data sheet ( Hoja de datos )
| Número de pieza | SC9260 | |
| Descripción | 2-CH ELECTRONIC VOLUME CONTROLLER CONTROLLED BY SERIAL INTERFACE | |
| Fabricantes | Silan Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SC9260 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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SC9260
2-CH ELECTRONIC VOLUME CONTROLLER CONTROLLED BY SERIAL
INTERFACE WITH LOUDNESS CONTROL
DESCRIPTION
The SC9260 and SC9260S are an optimum CMOS with I2C interface
on Chip, which has been designed for electrification of volume control
of audio equipment, etc.
FEATURES
DIP-16-300-2.54
* Attenuation can be controlled from 0dB to -78dB by 2dB/step.
* This ICs feature a built-180in loudness circuit.(20dB tap)
* The volume, balance and loudness circuits can be controlled by I2C
series data.
SOP-16-300-1.27
* CS (Chip Select) input allows control of up to 2 of this chip on the
same bus.
* Use Polysilicon resistors enable low-distortion, high-performance
volume system.
ORDERING INFORMATION
* Package is DIP-16 and SOP-16
Device
Package
APPLICATIONS
* Digital volume control Radio
SC9260
SC9260S
DIP-16-300-2.54
SOP-16-300-1.27
* CD, VCD and DVD system volume control
* DTS system volume control
* Audio system volume control
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
12
REV:1.0 2004.08.03
Page 1 of
1 page  
SC9260
FUNCTION DESCRIPTION
1. Volume circuit
Volume circuit consist of ladder resistor and analog switch.
Tap for loudness is connected to step 10 (20dB). Loudness operation is controlled by LS1/LS2 switches.
Equivalence circuit
Volume step and attenuation
Step
K0
K1
K2
K3
K4
K5
K6
K7
K8
K9
K10
K11
K12
K13
K14
K15
K16
K17
K18
K19
K20
attenuation
0(dB)
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
step
K21
K22
K23
K24
K25
K26
K27
K28
K29
K30
K31
K32
K33
K34
K35
K36
K37
K38
K39
K40
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
12
attenuation
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70
72
74
76
78
REV:1.0 2004.08.03
Page 5 of
5 Page 
SC9260
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
12
REV:1.0 2004.08.03
Page 11 of
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet SC9260.PDF ] | |
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