91
91
DVD-5900/DVD-A11
DSD1790DBR (AD: IC504,505)
20
15
16
17
18
19
9
14
13
12
11
10
8
7
6
5
4
3
2
1
DSDL
DSDR
DBCK
PLRCK
PDA T A
PBCK
SCK
DGND
V
DD
MS
MDI
MC
MDO
RST
21
22
23
24
25
26
27
28
V
CC
2L
AGND3L
I
OUT
L–
I
OUT
L+
AGND2
V
CC
1
V
COM
L
V
COM
R
I
REF
AGND1
I
OUT
R–
I
OUT
R+
AGND3R
V
CC
2R
MDI
MC
Bias
&
Vref
Current
Segment
DAC
DBCK
PBCK
DSDL
SCK
RST
MS
I
OUT
L+
I
OUT
L–
MDO
Current
Segment
DAC
Advanced
Segmented
DAC
Modulator
8
Oversampling
Digital
Filter
&
Func
tion
Contr
ol
I/V & Filter
Function
Control
I/F
System Clock Manager
Audio
Data input
I/F
PDATA
Power Supply
DGND
AGND3L
V
DD
V
CC
1
V
CC
2R
AGND2
AGND1
DSDR
PLRCK
V
CC
2L
V
OUT
L
I
OUT
R+
I
OUT
R–
I/V & Filter
V
OUT
R
V
COM
L
I
REF
V
COM
R
AGND3R
Block Diagram
Terminal Function
PIN
I/O
DSDL 1 I/O L-channel audio data input for DSD and external DF modes
‡
PCM mode zero flag for L-channel by ZERO output mode select
DSDR 2 I/O R-channel audio data input for DSD and external DF modes
‡
PCM mode zero flag for R-channel by ZERO output mode select
DBCK 3 I Bit clock input for external DF and DSD modes
†
PLRCK 4 I Left and right clock (f
S
) input for normal operation. WDCK clock input for external DF mode.
Connected to GND for DSD mode
†
PDATA 5 I Serial audio data input for normal operation
†
TER M INAL
NAME
DESCRIPTIONS
DGND 8 - Digital ground
V
DD
9 - Digital pow
er supply, +3.3 V
MS
10 I/O Chip select for mode control
‡
MDI 11 I Mode control data input
†
MC 12 I Mode control clock input
†
MDO 13 I/O Mode control read back data output
‡
RST
14 I Reset
†
V
CC
2R 15 - Analog power supply (R-channel DACFF), +5.0 V
AGND3R 16 - Analog ground (R-channel DACFF)
I
OUT
R+ 17 O R-channel analog current output +
I
OUT
R– 18 O R-channel analog current output –
AGND1 19 - Analog ground (internal bias)
I
REF
20 - Output current reference bias pin
V
COM
R 21 - R-channel Internal bias de-coupling pin
V
COM
L 22 - R-channel Internal bias de-coupling pin
V
CC
1 23 - Analog power supply, +5.0 V
AGND2 24 - Analog ground (internal bias)
I
OUT
L+ 25 O L-channel analog current output +
I
OUT
L– 26 O L-channel analog current output –
AGND3L 27 - Analog ground (L-channel DACFF)
V
CC
2L 28 - Analog power supply (L-channel DACFF), +5.0 V
† Schmitt trigger input, 5 V tolerant.
‡ Schmitt trigger input and output, 3.3 V.
PBCK 6 I Bit clock input. Connected GND for DSD mode
†
SCK 7 I System clock input
†
w
w
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.
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2
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9
4
2
9
8
T
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L
1
3
9
4
2
2
9
6
5
1
3
9
9
2
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9
4
2
9
8
0
5
1
5
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6
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Q
Q
TEL 13942296513 QQ 376315150 892498299
TEL 13942296513 QQ 376315150 892498299
http://www.xiaoyu163.com
http://www.xiaoyu163.com
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