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STR-DA2400ES/DG920
• IC Block Diagrams
– DIGITAL Board –
IC2208 LC89057W-VF4A-E
48
47
46
45
44
43
42
41
MODULATOR
MICROCONTROLLER
&
PARALLEL PORT
RXOUT
1
RX0
2
C bit,
U bit
RX1
3
RX2
4
DATA
RX3
5
INPUT
DEMODULATOR
SELECTOR
DATA
&
DGND
6
SELECTOR
LOCK DETECT
DVDD
7
RX4
8
RX5/V1
9
RX6/U1
10
PLL
DVDD
11
CLOCK
DGND
12
SELECTOR
13 14 15
16
17
18 19
20
IC2210 SN74HC595ANS
16
15
14
13
12
11
10
VCC
SHIFT REGISTER
LATCH
GND
2
3
4
5
6
7
1
PARALLEL DATA
OUTPUT
STR-DA2400ES/DG920
40
39
38
37
INTERFACE
36
RERR
35
INT
34
CKST
33
AUDIO/VO
32
EMPHA/UO
31 DGND
30
DVDD
29
XIN
28
XOUT
27
XMCK
1/N
26
DVDD
25
DGND
21
22
23
24
IC2211 TC74VHC393FT (EL)
14
13
12
11
10
9
8
VCC
Q
Q
Q
Q
A
B
C
D
A
CLEAR
9
CLEAR
A
Q
Q
Q
Q
A
B
C
D
GND
1
2
3
4
5
6
7
IC2212 TC74VHC157FT (EL)
SELECT 11 1
16
V
CC
S
8
1A 2
1A
G
15
STROBE
INPUT
1B
3
1B
4A
14
4A
INPUT
1Y
4
1Y
4B
13
4B
OUTPUT
2A
5
2A
4Y
11 12
4Y
OUTPUT
INPUT
6
11
3A
2B
2B
3A
INPUT
2Y
7
2Y
3B
10
3B
OUTPUT
3Y
GND 8
9
3Y
OUTPUT
IC2226 TC7WH74FU (TE12R)
8
7
6
5
S
R
Q
C
D
Q
1
2
3
4
IC2233 PCM1808PWR
DELTA-SIGMA
MODULATOR
DECIMATION
VREF 1
REFERENCE
HIGH-PASS
DELTA-SIGMA
MODULATOR
AGND
2
VCC
3
POWER
VDD
4
SUPPLY
DGND
5
SCKI 6
LRCK 7
IC2236 TC7W53FU (TE12R)
COMMON 1
INH 2
VEE 3
LOGIC
GND 4
LEVEL
CONVERTER
76
76
IC2230 TK11150CSCL-G
5
OVER HEAT &
OVER CURRENT
PROTECTION
CONTROL
CIRCUIT
+
BANDGAP
REFERENCE
1
2
ANTIALIAS
14
VINR
LOW-PASS FILTER
ANTIALIAS
13
VINL
LOW-PASS FILTER
1/64
12
FMT
SERIAL
11
MD1
INTERFACE
FILTER
10
MD0
&
WITH
MODE/FORMAT
9
DOUT
CONTROL
8
BCK
FILTER
CLOCK & TIMING CONTROL
IC2237 TC74HC151AF (EL)
1
D3
16
V
CC
8
VCC
D2
2
D2
D3
D4
15
D4
D1
3
D1
D5
14
D5
4
D0
D6
13
D0
D6
C
OUT
IN
7
CH 0
Y
5
12
D7
Y
D7
6
11
XY
W
A
A
OE
7
S
C
B
10
B
C
OUT
IN
6
CH 1
GND
8
9
C
5
A
4
3

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Str-da2400esStr-dg920

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