參數(shù)資料
型號: AK4589VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 2/8-Channel Audio CODEC with DIR
中文描述: 2/8-Channel音頻編解碼器迪爾
文件頁數(shù): 72/76頁
文件大?。?/td> 838K
代理商: AK4589VQ
ASAHI KASEI
[AK4589]
MS0339-E-00
2004/09
- 72 -
SYSTEM DESIGN
Figure 50 shows the system connection diagram. An evaluation board is available which demonstrates application
circuits, the optimum layout, power supply arrangements and measurement results.
Condition: I
2
C serial control mode
T
INT1
1
AK4589
+
10u
Audio DSP
(MPEG/AC3)
2
3
4
5
6
7
8
9
10
11
60
59
58
57
56
55
54
53
52
51
50
BOUT
TVDD
DVDD
DVSS
TEST3
MCKO1
VOUT
BICK2
LRCK2
TEST1
NC
AVSS
AVDD
VREFH
VCOM
RIN
LIN
LOUT1-
ROUT2-
ROUT2+
8
7
7
T
7
M
7
V
7
D
7
I
7
R
7
C
7
R
7
C
R
P
R
2
2
2
2
2
2
2
2
2
3
3
S
D
S
S
S
X
X
P
D
3
D
3
L
3
0.1u
1
6
S/PDIF sources
S/PDIF out
Analog 5V
2.2u
Analog Ground
Digital Ground
Digital 5V
Micro
Controller
5
(
+
0.1u
+
0.1u 10u
+
X’tal
0.1u
10u
C1
C1
12
13
14
15
16
6
6
6
6
3
3
49
48
47
46
45
SDTO2
UOUT
MCKO2
COUT
XTO
XTI
S
C
S
M
L
LOUT1+
ROUT1+
ROUT1-
RX0
RX1
T
R
I
MUTE
SDTO1
LRCK1
CDTO
17
18
19
20
BICK1
R
3
L
3
L
4
3
R
LOUT2-
ROUT3-
ROUT3+
44
43
42
41
LOUT2+
R
N
R
6
6
6
6
P
+
3.3V to 5V
Digital
A
(
(
C
Audio DSP
(MPEG/AC3)
Micro Controller
M
(Shield)
(
S
(S/PDIF
sources)
Micro
Controller
LPF
MUTE
LPF
MUTE
LPF
MUTE
LPF
MUTE
LPF
LPF
M
LPF
M
LPF
C2
C2
C2
C2
C2
C2
C2
C2
Figure 50. Typical Connection Diagram
Notes:
- “C1” depends on the crystal.
- “C2” is 470pF capacitor.
- AVSS, DVSS and PVSS must be connected the same analog ground plane.
- Digital signals, especially clocks, should be kept away from the R pin in order to avoid an effect to the clock jitter
performance.
- In case of coaxial input, ground of RCA connector and terminator should be connected to PVSS of the AK4589
with low impedance on PC board.
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