ak4538 AKM Semiconductor, Inc., ak4538 Datasheet - Page 57

• Manufacturer Part Number: ak4538
• Description: 16bit ?? Codec With Mic/hp/spk-amp
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
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.
Notes:
MS0198-E-01
Analog Supply
2.4 ~ 3.6V
- AVSS, DVSS, PVSS and HVSS of the AK4538 should be distributed separately from the ground of external
- Values of R and C in Figure 46 should depend on system.
- All input pins should not be left floating.
controllers.
2.2
10
10
4.7n
0.1
0.1
0.1
10k
2.2k
2.2k
1
1
1
10
11
12
13
1
2
3
4
5
6
7
8
9
MICOUT
MDT
EXT
MPE
MPI
INT
VCOM
AVSS
AVDD
PVDD
PVSS
VCOC
NC
52
14
Reset
51
15
Figure 46. Typical Connection Diagram
1
R
SYSTEM DESIGN (52pin QFN)
50
16
Top View
R
49
17
1
R
48
18
1
DSP and uP
47
19
1
- 57 -
46
20
1
45
21
C
44
22
C
43
23
C
42
24
C
41
25
1
40
26
XTI/MCKI
MUTET
HVDD
DVDD
HVSS
DVSS
HPR
SPN
SPP
XTO
HPL
M/S
NC
39
38
37
36
35
34
33
32
31
30
29
28
27
1
0.1
0.1
8
C
C
10
10
10
10
10
0.22
0.22
6.8
6.8
Analog Supply
2.4 ~ 3.6V
[AK4538]
47
2003/5
16
16