08. APPLIED CIRCUIT EXAMPLES
24
EPSON
S1F76640 Technical Manual (Rev.1.5)
(8) Example of Configuration of Electronic Volume Circuit of Voltage Stabilization Output (V
REG
)
+
−
C4
10
μ
F
R
OSC
1M
Ω
C1
10
μ
F
C2
10
μ
F
C3
10
μ
F
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
V
DD
CAP1
−
CAP1
+
CAP2
−
Fig.8.20 Electronic Volume Circuit of Voltage Stabilization Output
CAP2
+
CAP3
+
V
OUT
VRI
RVI
V
REG
V
SS
OSC1
XP
OFF
TC2
TC1
OSC2
V
SS
or V
OUT
V
SS
or V
OUT
13
14
15
12
1
5
2
4
8
7
16
Negative power input
Positive power input
6
CTRL0
CTRL1
CTRL2
Power stabilization output
(V
REG
output)
3
11
10
9
(74HC4051)
XP
OFF
(V
DD
/V
SS
)
(Quadruple boosting)
IN0
IN1
IN2
IN3
IN4
IN5
IN6
IN7
V
EE
V
SS
V
CC
A
B
INH
COM
C
+
−
+
−
+
−
