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PDF SC5358S Data sheet ( Hoja de datos )

Número de pieza SC5358S
Descripción 6-CH ELECTRONIC VOLUME CONTROLLER
Fabricantes Silan Microelectronics 
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SC5358
6-CH ELECTRONIC VOLUME CONTROLLER
DESCRIPTION
SC5358 is a 6-channel electronic volume controller IC mainly designed
for the current multi-channel AV systems. It provides an I2C control
interface, a selectable address and an attenuation range from 0 to –
79dB at 1dB/step.
FEATURES
* CMOS technology
* I2C bus control interface
* Selectable address
* Attenuation range: 0~-79dB(1dB/step)
* Power supply: 5~9V
* S/N>100dB
* High Channel Separation
APPLICATIONS
* 5.1-channel AV system
* Computer multi-media system
* Other multi-channel systems
ORDERING INFORMATION
Part No.
SC5358
SC5358S
Package
DIP-20-300-2.54
SOP-20-375-1.27
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2004.08.03
Page 1 of 9
Free Datasheet http://www.0PDF.com

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SC5358S pdf
2. Control of SC5358
A start condition
An address byte including acknowledge bit
N data bytes including acknowledge bits
A stop condition
Please refer to the figure below.
SC5358
The address byte of SC5358 can be set to 80H, 84H, 88H or 8CH through the 4th bit A3 and the 3rd bit A2.
The descriptions of data bytes are as follows.
8-bit data
MSB
LSB Function
0 0 0 0 0 B2 B1 B0 channel 3 -10db/step
0 0 0 1 A3 A2 A1 A0 channel 3 -1db/step
0 0 1 0 0 B2 B1 B0 channel 4 -10db/step
0 0 1 1 A3 A2 A1 A0 channel 4 -1db/step
0 1 0 0 0 B2 B1 B0 channel 2 -10db/step
0 1 0 1 A3 A2 A1 A0 channel 2 -1db/step
0 1 1 0 0 B2 B1 B0 channel 5 -10db/step
0 1 1 1 A3 A2 A1 A0 channel 5 -1db/step
1 0 0 0 0 B2 B1 B0 channel 1 -10db/step
1 0 0 1 A3 A2 A1 A0 channel 1 -1db/step
1 0 1 0 0 B2 B1 B0 channel 6 -10db/step
1 0 1 1 A3 A2 A1 A0 channel 6 -1db/step
1 1 0 1 0 B2 B1 B0 all channels -10db/step
1 1 1 0 A3 A2 A1 A0 all channels -1db/step
1 1 1 1 1 0 0 1 all channels mute
Low 4-bit data
A3
A2/B2
A1/B1
000
000
001
001
010
010
011
011
100
100
SC5358 has no default setting, so it must be initialized.
A0/B0
0
1
0
1
0
1
0
1
0
1
Atten. dB
0/0
1/10
2/20
3/30
4/40
5/50
6/60
7/70
8/
9/
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:1.1 2004.08.03
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Free Datasheet http://www.0PDF.com

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