MD4S
15
PIN
NO.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
I/O
I
I
I
I
I
I
-
-
I
I
I
I
I
O
VREFH
VREFL
AINR+
AINR-
AINL+
AINL-
VA
AGND
DIF0
DIF1
LRCK
SCLK
SDTI
SDTO
NAME
Positive Voltage Reference Input, VA
Negative Voltage Reference Input, AGND
Rch Analog Positive Input
Rch analog Negative Input
Lch Analog Positive Input
Lch analog Negative Input
Analog Power Supply
Analog Ground
Audio Data Interface Format
Audio Data Interface Format
Input/Output Channel Clock
Audio Serial Data Clock
Audio Serial Data Input
Audio Serial Data Output
FUNCTION
PIN
NO.
15
16
17
18
19
20
21
22
23
24
25
26
27
28
I/O
I
I
I
I/O
I/O
I
-
-
I
I
I
O
O
O
MCLK
DEM0
DEM1
TST3
TST2
TST1
VD
DGND
/PWDA
/PWAD
CMODE
AOUTL
AOUTR
VCOM
NAME
Master Clock Input
De-emphasis Frequency Select
De-emphasis Frequency Select
Test Pins (Pull Down Pins)
Digital Power Supply
Digital Ground
DAC power-Down Mode
ADC power-Down Mode
Master Clock Select (“H”:384 fs,“L”:256 fs)
Lch Analog Output
Rch Analog Output
Common Voltage Output, VA/2
FUNCTION
AK4520A-VF-E2 (XT802A00) DAC & ADC MAIN IC301
IC BLOCK DIAGRAM
TC74HCU04AF-TP1 (XD660A00)
Hex Inverter
1
2
3
4
5
6
7
1A
1Y
2A
2Y
3A
3Y
Vss
14
13
12
11
10
9
8
VDD
6A
6Y
5A
5Y
4A
4Y
TC74HC14AF-TP1 (XD657A00)
Hex Inverter
1
2
3
4
5
6
7
1A
1Y
2A
2Y
3A
3Y
GND
14
13
12
11
10
9
8
VDD
6A
6Y
5A
5Y
4A
4Y
SN74HC174NSR (XD836A00)
Hex D-Type Flip-Flop
Q
Q
D C K
C K
C K
D C K
G
G
CLEAR
1Q
1D
2D
2Q
3D
3Q
GND
1
16
2
15
3
14
4
13
5
12
6
11
7
10
8
9
Vcc
6Q
6D
5D
5Q
4D
4Q
CK
Q
D
G
G
Q
D C K
G
C K
Q
D
G
Q
D
SN74HC374ANSR (XQ042A00)
Octal 3-State D-Type Flip-Flop
Q
D CK
OE
Q
D CK
OE
Q
D CK
OE
2D
2Q
3Q
3D
4D
4Q
GND
4
17
5
16
6
15
7
14
8
13
9
12
10
11
7D
7Q
6Q
6D
5D
5Q
CLOCK
Q
D
CK
OE
Q
D
CK
OE
Q
D
CK
OE
TC4053BF (XB738A00)
TC74HC4053AF (XR150A00)
Multiplexer/Demultiplexer
1
Switches IN/OUT
2
3
4
5
6
7
8
do. Y0
do. Z1
Z
Z0
Commons OUT/IN
Swiches IN/OUT
Control Inhibit
-DC Voltage Supply
do
V
DD
Y
X
X1
X0
A
B
C
9
10
11
12
13
14
15
16
+DC Voltage Supply
Commons OUT/IN Y
do. X
Swiches IN/OUT X0
do X0
Control Input A
do. B
do. C
Y1
Y0
Z1
Z
Z0
INH
VEE
V
SS
Y1
NJM4558MT-1 (IG103520)
NJM2068MD-T1 (XJ553A00)
NJM4556AMT1 (XQ138A00)
µPC4570G2 (XF291A00)
Dual Operational Amplifier
1
2
3
4
-V
8
7
6
5
Output A
+V
Non-Inverting
Input A
-DC Voltage Supply
+DC Voltage
Supply
Output B
Inverting
Input B
Non-Inverting
Input B
Inverting
Input A
+
-
+
-
MAIN IC106
MAIN IC307 – 309
MAIN IC111
MAIN IC113
IC108
MIX IC103 – 112
IC115, 120, 101, 102, 113, 114,
116 – 118, 119
MAIN IC303 – 306, 310, 311
www. xiaoyu163. com
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TEL 13942296513
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9
2
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2
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Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
