64
CDR-850
•
Pin Function
BA5912AFP-Y (SERVO DIGITAL ASSY : IC351)
• Driver IC
•
Block Diagram
25
IN1'
24
IN1
23
OP2-OUT
22
OP2-IN–
21
OP2-IN+
20
BIAS
19
GND
18
OP1-IN+
17
OP1-IN–
16
OP1-OUT
15
IN2
14
IN2'
GND
1
MUTE1
2
REF1
3
Pow Vcc1
4
OUT1–
5
OUT1+
6
GND
7
OUT2+
8
OUT2–
9
Pow Vcc2
10
Pre Vcc
11
REF2
12
MUTE2
13
CH1
MUTE
REF1
SWITCH
LEVEL
SHIFT
T.S.D.
CH2
MUTE
REF2
SWITCH
LEVEL
SHIFT
10k
Ω
10k
Ω
10k
Ω
10k
Ω
10k
Ω
Vref1
Vref1
Vref2
Vref2
10k
Ω
10k
Ω
10k
Ω
10k
Ω
10k
Ω
10k
Ω
10k
Ω
.
o
N
e
m
a
N
n
i
P
n
o
i
t
c
n
u
F
.
o
N
e
m
a
N
n
i
P
n
o
i
t
c
n
u
F
1
D
N
G
D
N
G
t
h
g
i
a
r
t
s
-
b
u
S
4
1
'
2
N
I
t
n
e
m
t
s
u
j
d
a
n
i
a
g
r
o
f
n
i
p
t
u
p
n
i
2
H
C
5
1
2
N
I
t
u
p
n
i
d
e
x
i
f
n
i
a
g
2
H
C
6
1
T
U
O
-
1
P
O
t
u
p
t
u
o
1
.
p
m
a
P
O
7
1
–
N
I
-
1
P
O
t
u
p
n
i
–
1
.
p
m
a
P
O
8
1
+
N
I
-
1
P
O
t
u
p
n
i
+
1
.
p
m
a
P
O
9
1
D
N
G
D
N
G
t
h
g
i
a
r
t
s
-
b
u
S
0
2
S
A
I
B
t
u
p
n
i
s
a
i
B
1
2
+
N
I
-
2
P
O
t
u
p
n
i
+
2
.
p
m
a
P
O
2
2
–
N
I
-
2
P
O
t
u
p
n
i
–
2
.
p
m
a
P
O
3
2
T
U
O
-
2
P
O
t
u
p
t
u
o
2
.
p
m
a
P
O
1
1
c
c
V
e
r
P
c
c
V
e
r
P
4
2
1
N
I
t
u
p
n
i
d
e
x
i
f
n
i
a
g
1
H
C
2
1
2
F
E
R
n
i
p
g
n
i
h
c
t
i
w
s
f
e
r
V
2
H
C
5
2
'
1
N
I
t
n
e
m
t
s
u
j
d
a
n
i
a
g
r
o
f
n
i
p
t
u
p
n
i
1
H
C
3
1
2
E
T
U
M
n
i
p
e
t
u
m
2
H
C
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Q
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