參數(shù)資料
型號(hào): SM7347A
廠商: SamHop Microelectronics Corp.
英文描述: 6 CHANNELS VOLUME CONTROLLER
中文描述: 6通道音量控制器
文件頁(yè)數(shù): 1/15頁(yè)
文件大?。?/td> 215K
代理商: SM7347A
Page 1
PIN ASSIGNMENTS
SM7347A
SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
GNDL
Rin
Lin
NC
NC
Cin
GNDR
GNDC
SLin
SRin
GNDS
SWin
AVDD
DVDD
SOP 28PIN
1
0
1
2
1
3
4
1
1
8
9
7
6
5
4
3
2
1
19
18
17
16
15
21
20
22
23
24
25
26
27
28
Rout
Lout
AVSS
NC
NC
SLout
Cout
SRout
SWout
AGND
DGND
LATCH
DATA
CLK
MAY.2003
FEATURES
* Built-in microcomputer interface circuit con-
trolled by 16-bit serial data.
* Electronic volume
Volume level......0dB~-95dB, -
dB(1dB/
step)
GENERAL DESCRIPTION
The SM7347A is 6 channels electronic volume
controlled by 3-wire serial data. The IC is suitable
for use in DVD systems and AV.
APPLICATIONS
* DVD Receivers
* Home Audio equipment
* AV
C input
SW input
SL input
SR input
L input
R input
BLOCK DIAGRAM
Latch Data CLK
volume
μ
-com
interface
C output
SW output
SL output
SR output
L output
R output
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