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IC BLOCK DIAGRAM
(IS003200)
HD74LV32AFPEL
(X4174A00)
74LVX32SJX
(X4176A00)
SN74LV32ANSR
Quad 2 Input OR
DM: IC107
1A
Vcc
1
14
1B
4B
2
13
1Y
4A
3
12
2A
4Y
4
11
2B
3B
5
10
2Y
3A
6
9
GND
3Y
7
8
(X3538A00)
PCM1742KE/2K
DAC
DM: IC403
1
BCK
16
SCK
2
DATA
15
ML
3
14
LRCK
MC
4
DGND
13
MD
5
12
V
ZEROL/NA
DD
6
11
V
ZEROR/ZEROA
CC
7
10
V
L
V
OUT
8
V
R
9
AGND
OUT
(IS000400)
HD74LV04AFPEL
(XY746A00)
74LVX04SJX
(X4175A00)
SN74LV04ANSR
Hex Inverter
DM: IC601
1A
1
14
VDD
2
13
1Y
6A
3
12
2A
6Y
4
11
2Y
5A
5
10
3A
5Y
6
9
3Y
4A
7
Vss
8
4Y
（IC ブロック図）
NJM2360AM (X0200A00)
DC-DC Converter
DM: IC203
Cs
1
Q
2
Q
1
Es
2
3
C
T
V
1.25V
4
GND
BCK
LRCK
DATA
ML
MC
COM
MD
SCK
8
C
D
Q S
R
7
S
I
I
pk
C
OSC
T
COMP
6
V+
REF
5
INV
IN
Audio
serial
port
4x/8x
Oversampling
Digital Filter
with
Delta-Sigma
Function
Controller
Serilal
Control
port
System Clock
System Clock
Zero Detect
Manager
ZEROL
DGX-305/DGX-505
NJM4580E TE2 (X2331A00)
Dual Operational Amplifier
DM: IC402
Output A
1
+V
8
Inverting
2
7
Input A
-
+
Non-Inverting
3
6
+
-
Input A
-DC Voltage Supply
4
-V
5
Output Amp and
DAC
Low-Pass Filter
Enhanced
Multilevel
Modulator
Output Amp and
DAC
Low-Pass Filter
Power Supply
V
DGND
V
AGND
DD
CC
ZEROR
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
V
L
OUT
V
COM
V
R
OUT
29
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