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SRAM
VDD
OSC
ADM-CONT
ADM
L.P.F
VIRTUAL
13
14
15
16
17
18
19
20
21
22
23
24
12
11
10
9
8
7
6
3
2
1
5
4
A
B
R-OUT
L-OUT
EF-VOL
VREF
AGND
DC-OUT
D/A
NS
A/D
VDD
LC-INB
LC-INE
R-IN
L-IN
RS-OUT
L-FS-IN
VCC
R-PS-IN
LS-OUT
LPF2
LPF1
SW2
SW1
VSS
A
B
A
B
R +DELAY
L –DELAY
2k
50k
50k
L +R
L –R
• SURROUND Board
IC1201 LV1150