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1
PCM1742KE (RX Module : IC28)
• DA Converter
Blockdiagram
A
1
BCK
3
LRCK
2
DATA
B
15
ML
14
MC
13
MD
System Clock
16
SCK
C
Pin layout
D
TOP VIEW
BCK
1
DATA
2
LRCK
3
DGND
4
PCM1742
V
5
DD
V
6
CC
E
V
L
7
OUT
V
R
8
OUT
F
64
1
2
Audio
Serial
Port
4x/8x
Oversampling
Digital Filter
with
Function
Controller
Serial
Control
Port
System Clock
Manager
12
Pin function
N
. o
1
2
3
4
16
SCK
5
15
ML
6
14
MC
7
13
MD
8
9
12
ZEROL/NA
1
0
11
ZEROR/ZEROA
1
1
10
V
COM
1
2
9
AGND
1
3
1
4
1
5
1
6
2
3
DAC
Enhanced
Multilevel
Delta-Sigma
Modulator
DAC
Zero Detect
11
P
n i
N
a
m
e
/ I
O
B
C
K
I
B
t i
c
o l
k c
D
A
T
A
I
D
g i
t i
l a
n i
L
R
C
K
I
L
a
c t
h
e
−
D
G
N
D
D
g i
t i
l a
g
−
V
D
g i
t i
l a
p
D
D
−
V
A
n
a
o l
g
C
C
V
L
O
A
n
a
o l
g
O
U
T
V
R
O
A
n
a
o l
g
O
U
T
−
A
G
N
D
A
n
a
o l
g
−
V
D
e
c
o
u
p
C
O
M
Z
E
R
O
R
Z /
E
R
O
A
O
Z
e
o r
f
a l
Z
E
R
O
L
N /
A
O
Z
e
o r
f
a l
M
D
I
D
a
a t
n i
p
M
C
I
C
o l
k c
n i
M
L
I
L
a
c t
h
n i
S
C
K
I
S
s y
e t
m
XW-HT1
3
4
Output Amp and
V
7
Low-Pass Filter
V
10
Output Amp and
Low-Pass Filter
V
8
Power Supply
9
5
4
6
P
n i
F
u
n
t c
o i
n
n i
p
u
f t
r o
a
u
d
o i
d
a
a t
S (
c
h
m
i
t d
r t
p
u
f t
r o
a
u
d
o i
d
a
a t
S (
c
h
m
i
t d
r t
g i
n
a
b
e l
n i
p
u
f t
r o
L
R /
c
h
a
n
n
l e
f o
a
u
o r
u
n
d
o
w
r e
s
u
p
p
, y l
+
3
3 .
V
p
o
w
r e
s
u
p
p
, y l
+
5
V
o
u
p t
u
f t
r o
L
c
h
o
u
p t
u
f t
r o
R
c
h
g
o r
u
n
d
n i l
g
f
r o
s
a
m
e
p
h
a
s
e
v
l o
a t
g
e
g
o
u
p t
u
f t
r o
R
c
h
/
z
e
o r
f
a l
g
o
u
p t
g
o
u
p t
u
f t
r o
L
c
h
/
N
t o
u
s
e
d
u
f t
r o
m
o
d
e
o c
n
r t
l o
p
u
f t
r o
m
o
d
e
c
o
n
r t
l o
p
u
f t
r o
m
o
d
e
c
o
n
r t
l o
c
o l
k c
n i
p
t u
4
L
OUT
COM
R
OUT
g i
g
r e
n i
p
u
) t
g
r e
n i
p
u
) t
d
o i
d
a
a t
u
f t
r o
L
R /
c
h
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