SM7346 Datasheet, PDF (3/18 Pages) SamHop Microelectronics Corp. – 6 CHANNELS VOLUME CONTROLLER

SAMHOP Microelectronics Corp.
SM7346
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
RTRE
LBASS3
RBASS3
LBASS2
RBASS2
LBASS1
RBASS1
CR2
CL2
CR1
CL1
L out
R out
AVSS
AGND
DGND
LATCH
DATA
CLK
DVDD
Function
Port OUTPUT
Analog positive Power supply
GND
Volume INPUT
Volume OUTPUT
Tone INPUT
L.R Volume INPUT
in BYPASS mode
L OUTPUT
R OUTPUT
tone Treble cycle control
tone Bass cycle control
Tone OUTPUT
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
Circuit
OUTPUT: PMOS
Transistor
open drain
+7V
DVDD(=5V)
1 to 4
Connect to analog GND
6,8,9,11
18 to 22 KΩ
(TYP)
33,34,35,36
13,15
70 KΩ
(TYP)
16,17
70 KΩ
(TYP)
18 to 22 KΩ
(TYP)
31,32
18,25
19,24
2.3 KΩ
(TYP)
20,23
21,22
26,28
27,29
70 KΩ
(TYP)
18 to 22 KΩ
(TYP)
-7V
31,32
39,40,41
S
INPUT:schmitt trigger type
+5V
Page 3
MAY.2003