參數(shù)資料
型號: AK4538VN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 16Bit DS CODEC with MIC/HP/SPK-AMP
中文描述: 16位副編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù): 57/70頁
文件大小: 485K
代理商: AK4538VN
ASAHI KASEI
[AK4538]
MS0198-E-01
2003/5
- 57 -
SYSTEM DESIGN (52pin QFN)
Figure 46 shows the system connection diagram for the 52-pin QFN version of the AK4538. An evaluation board
[AKD4538] is available which demonstrates the optimum layout, power supply arrangements and measurement results.
0.1
μ
10
μ
0.1
μ
10
μ
Analog Supply
2.4 ~ 3.6V
0.1
μ
10
μ
2.2
μ
0.1
μ
0.1
μ
10
μ
Analog Supply
2.4 ~ 3.6V
MICOUT
1
2
3
4
5
6
7
8
9
10
11
12
13
MDT
EXT
MPE
MPI
INT
VCOM
AVSS
AVDD
PVDD
PVSS
VCOC
NC
N
52
51
50
49
A
B
B
48
47
45
44
46
42
41
43
40
B
A
A
M
M
L
R
M
M
39
38
37
36
35
34
33
32
31
30
29
28
27
MUTET
HPL
HPR
HVSS
HVDD
SPN
SPP
M/S
XTI/MCKI
XTO
DVSS
DVDD
C
14
P
15
16
C
17
C
18
C
19
C
20
I
21
S
22
S
23
L
24
B
25
M
26
Reset
DSP and uP
Top View
R
R
R
1
μ
8
10k
4.7n
10
1
μ
2.2k
1
μ
2.2k
1
μ
1
μ
1
μ
1
μ
1
μ
N
NC
16
16
C
C
C
C
6.8
0.22
μ
6.8
47
μ
10
10
0.22
μ
1
μ
1
μ
C
C
Notes:
- AVSS, DVSS, PVSS and HVSS of the AK4538 should be distributed separately from the ground of external
controllers.
- Values of R and C in Figure 46 should depend on system.
- All input pins should not be left floating.
Figure 46. Typical Connection Diagram
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