ak4122 AKM Semiconductor, Inc., ak4122 Datasheet - Page 49

• Manufacturer Part Number: ak4122
• Description: 24-bit 96khz Src With Dir
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Figure 29 shows the typical system connection diagram. An evaluation board is available which demonstrates application
circuits, the optimum layout, power supply arrangements and measurement results.
Note:
MS0267-E-03
• PORT2, PORT3 : Slave Mode
- AVSS, BVSS and DVSS of the AK4122 should be distributed separately from the ground of external digital
- All digital input pins should not be left floating.
devices (MPU, DSP etc.).
2.2n
uP & DSP
470Ω
2.2µ
10
11
12
1
2
3
4
5
6
7
8
9
CDTI
CDTO
TST1
INT2
TST2
TST3
M/S2
M/S3
SMUTE
TST4
TST5
FILT
0.1µ
10µ
Analog Supply
48
13
3.0 ~ 3.6V
47
14
Shield
Top View
46
15
Digital Supply
Figure 29. Typical Connection Diagram
3.0 ~ 3.6V
10µ
0.1µ
45
16
Shield
44
17
SYSTEM DESIGN
43
18
sources
S/PDIF
fso
Shield
42
19
- 49 -
41
20
Shield
DSP3
40
21
39
22
Shield
38
23
37
24
MCLK2
LRCK2
LRCK1
SDTIO
BICK2
DVDD
BICK1
DVSS
AVSS
SDTI
PDN
R
36
35
34
33
32
31
30
29
28
27
26
25
12kΩ
0.1µ
fsi
fsi
Reset
10µ
DSP2
DSP1
Digital Supply
3.0 ~ 3.6V
[AK4122]
2004/08