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SM7346

Description
6 CHANNELS VOLUME CONTROLLER
File Size301KB,18 Pages
ManufacturerSAMHOP
Websitehttp://www.samhop.com.tw
Download Datasheet View All

SM7346 Overview

6 CHANNELS VOLUME CONTROLLER

SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
SM7346
GENERAL DESCRIPTION
The SM7346 is 6 channels electronic volume
controlled by 3-wire serial data. The IC is suitable
for use in DVD systems and AV.
FEATURES
* 4 Output ports
* Built-in microcomputer interface circuit con-
trolled by 16-bit serial data.
* Electronic volume
Volume level: 0dB~-79dB, -
dB(1dB/step)
* Tone control
Bass/Treble, 0dB~+10dB(2dB/step)
APPLICATIONS
* DVD
* Home Audio Equipment
* AV
PIN ASSIGNMENTS
OUT4
OUT3
OUT2
OUT1
AVDD
SWin
GNDS
SRin
SLin
GNDC
Cin
GNDR
Rin
GNDL
Lin
BYPASSR
BYPASSL
LTRE
LBASS3
LBASS2
LBASS1
1
2
3
4
5
6
7
8
9
1
0
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
DVDD
CLK
DATA
LATCH
DGND
AGND
SWout
SRout
SLout
Cout
Rout
Lout
AVSS
CL1
CL2
CR1
CR2
RTRE
RBASS3
RBASS2
RBASS1
OUT4
OUT3
OUT2
OUT1
AVDD
SWin
GNDS
SRin
SLin
GNDC
Cin
GNDR
Rin
GNDL
Lin
BYPASSR
BYPASSL
LTRE
LBASS3
LBASS2
LBASS1
NC
1
2
3
4
5
6
7
8
9
1
0
1
1
2
1
3
1
4
1
5
1
6
1
7
1
8
1
9
2
0
2
1
2
2
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
DVDD
CLK
DATA
LATCH
DGND
AGND
SWout
SRout
SLout
Cout
Rout
Lout
AVSS
CL1
CL2
CR1
CR2
RTRE
RBASS3
RBASS2
RBASS1
NC
SDIP 42PIN
TSSOP
44PIN
Page 1
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