70
CDR-850
PE8001A (AUDIO ASSY : IC401)
• D/A Converter IC
•
Block Diagram
Serial
Input
I/F
8X
Oversampling
Digital Filter
with
Function
Controller
Multi-level
Delta-Sigma
Modulator
BPZ-Cont
Crystal OSC
Power Supply
Low-pass
Filter
DAC
Low-pass
Filter
Open drain
DAC
Mode
Control
I/F
SCK
1
LRCK
2
DATA
23
CS/IWO
24
MODE
25
MUTE
22
RST
6
XTO
8
V
DD
14
AGND1
15
V
CC
1
7
DGND
5
XTI
4
CLKO
26
MD/DM0
27
MC/DM1
28
ML/IIS
3
BCK
16
V
OUT
L
18
EXTL
13
V
OUT
R
11
EXTR
21
ZERO
20
V
CC
2L
19
AGND2L
9
V
OUT
2R
10
AGND2R
•
Pin Function
.
o
N
e
m
a
N
n
i
P
O
/
I
n
o
i
t
c
n
u
F
.
o
N
e
m
a
N
n
i
P
O
/
I
n
o
i
t
c
n
u
F
1
K
C
R
L
I
)
s
f
(
t
u
p
n
i
k
c
o
l
c
K
C
R
L
∗
1
5
1
1
C
C
V
−
V
5
+
y
l
p
p
u
s
r
e
w
o
p
g
o
l
a
n
A
2
A
T
A
D
I
t
u
p
n
i
a
t
a
D
∗
1
6
1
L
T
U
O
V
O
t
u
p
t
u
o
e
g
a
t
l
o
v
g
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l
a
n
a
h
c
L
3
K
C
B
I
a
t
a
d
r
o
f
t
u
p
n
i
k
c
o
l
c
t
i
B
∗
1
7
1
C
N
−
n
o
i
t
c
e
n
n
o
c
n
o
N
4
O
K
L
C
O
k
c
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c
m
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t
s
y
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f
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t
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p
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B
8
1
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T
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m
o
c
.
p
m
a
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p
t
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a
h
c
L
5
I
T
X
I
l
a
n
r
e
t
x
e
r
o
n
o
i
t
c
e
n
n
o
c
n
o
i
t
a
ll
i
c
s
o
l
a
t
s
y
r
C
t
u
p
n
i
k
c
o
l
c
9
1
L
2
D
N
G
A
−
D
N
G
g
o
l
a
n
A
6
O
T
X
O
n
o
i
t
c
e
n
n
o
c
n
o
i
t
a
ll
i
c
s
o
l
a
t
s
y
r
C
0
2
L
2
C
C
V
−
V
5
+
y
l
p
p
u
s
r
e
w
o
p
g
o
l
a
n
A
7
D
N
G
D
−
D
N
G
l
a
t
i
g
i
D
1
2
O
R
E
Z
O
g
a
l
f
a
t
a
d
o
r
e
Z
V
5
+
y
l
p
2
2
T
S
R
I
t
e
s
e
R
∗
2
V
5
+
y
l
p
p
3
2
O
W
I
/
S
C
I
t
c
e
l
e
s
t
a
m
r
o
f
t
u
p
n
I
/
t
c
e
l
e
s
p
i
h
C
∗
3
4
2
E
D
O
M
I
t
c
e
l
e
s
l
o
r
t
n
o
c
e
d
o
M
∗
2
)
e
r
a
w
d
r
a
H
:
L
,
e
r
a
w
t
f
o
S
:
H
(
n
o
m
m
o
c
.
p
m
a
t
u
5
2
E
T
U
M
I
l
o
r
t
n
o
c
e
t
u
M
∗
2
6
2
0
M
D
/
D
M
I
1
t
c
e
l
e
s
s
i
s
a
h
p
m
e
e
d
/
a
t
a
d
l
o
r
t
n
o
c
e
d
o
M
∗
2
t
u
p
t
u
o
e
g
7
2
1
M
D
/
C
M
I
2
t
c
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s
s
i
s
a
h
p
m
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e
d
/
K
C
B
l
o
r
t
n
o
c
e
d
o
M
∗
2
8
2
S
I
I
/
L
M
I
t
c
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l
e
s
t
a
m
r
o
f
t
u
p
n
I
/
h
c
t
a
l
l
o
r
t
n
o
c
e
d
o
M
∗
2
t
u
p
n
i
r
e
g
g
i
r
t
t
t
i
m
h
c
S
:
1
∗
r
o
t
s
i
s
e
r
p
u
-
ll
u
p
h
t
i
w
t
u
p
n
i
r
e
g
g
i
r
t
t
t
i
m
h
c
S
:
2
∗
r
o
t
s
i
s
e
r
n
w
o
d
-
ll
u
p
h
t
i
w
t
u
p
n
i
r
e
g
g
i
r
t
t
t
i
m
h
c
S
:
3
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