SAMHOP Microelectronics Corp.
6 CHANNELS VOLUME CONTROLLER
PIN DESCRIPTION (Pin count base on 42pin SDIP)
Pin No.
1
2
3
4
5
7
10
12
14
6
8
9
11
36
35
34
33
13
15
16
17
31
32
18
25
19
24
20
23
21
22
26
28
27
29
31
32
30
37
38
39
40
41
42
Symbol
OUT4
OUT3
OUT2
OUT1
AVDD
GNDS
GNDC
GNDR
GNDL
SW in
SR in
SL in
C in
SW out
SR out
SL out
C out
R in
L in
BYPASSR
BYPASSL
L out
R out
LTRE
tone Treble cycle control
RTRE
LBASS3
RBASS3
LBASS2
RBASS2
LBASS1
RBASS1
CR2
CL2
CR1
CL1
L out
R out
AVSS
AGND
DGND
LATCH
DATA
CLK
DVDD
L.R Volume INPUT
L OUTPUT
R OUTPUT
Analog negative Power supply
Analog GND
Digital GND
Latch INPUT
Data INPUT
Clock INPUT Forward data
Digital Power supply
27,29
70 K
Ω
(TYP)
18 to 22 K
Ω
(TYP)
SM7346
Function
Port OUTPUT
Analog positive Power supply
GND
OUTPUT: PMOS
Transistor
open drain
Circuit
DVDD(=5V)
1 to 4
+7V
Connect to analog GND
Volume INPUT
6,8,9,11
18 to 22 K
Ω
(TYP)
33,34,35,36
Volume OUTPUT
Tone INPUT
L.R Volume INPUT
in BYPASS mode
L OUTPUT
R OUTPUT
16,17
13,15
70 K
Ω
(TYP)
70 K
Ω
(TYP)
31,32
18 to 22 K
Ω
(TYP)
18,25
tone Bass cycle control
19,24
2.3 K
Ω
(TYP)
20,23
21,22
Tone OUTPUT
26,28
31,32
-7V
39,40,41
S
INPUT:schmitt trigger type
+5V
Page 3
MAY.2003
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
