SAMHOP Microelectronics Corp.
SM7347
6 CHANNELS VOLUME CONTROLLER
APPLICATION EXAMPLE
DVDD=5V
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
1
2
OUT4
Ω
22K
OUT-
PUT
OUT3
OUT2
OUT1
Ω
22K
MCU
I/F
PORT
3
MCU
Ω
22K
4
Ω
22K
5
DGND
AGND
AVDD=7V
SWin
6
μ
3.3
F
volume
volume
μ
3.3
F
7
SWOUT
SROUT
μ
3.3
F
SRin
SLin
8
μ
μ
F
3.3
F
3.3
9
SLOUT
COUT
μ
3.3
F
μ
3.3
F
10
11
12
13
14
15
16
μ
F
3.3
ROUT
LOUT
Cin
μ
3.3
F
μ
F
volume
volume
volume
3.3
AVSS=-7V
Rin
Lin
μ
F
3.3
17
18
19
20
21
μ
F
3.3
volume
Ω
Units Resistance: / Capacitance: F
Page 13
MAY.2003