AK4122A AKM [Asahi Kasei Microsystems], AK4122A Datasheet - Page 49

• Manufacturer Part Number: AK4122A
• Description: 24-Bit 96kHz SRC with DIR
• Manufacturer: AKM [Asahi Kasei Microsystems]

Figure 29
circuits, the optimum layout, power supply arrangements and measurement results.
Note:
MS1076-E-01
• PORT2, PORT3 : Slave Mode
- AVSS, BVSS and DVSS of the AK4122A should be distributed separately from the ground of external digital
- All digital input pins should not be left floating.
shows the typical system connection diagram. An evaluation board is available which demonstrates application
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
[AK4122A]
3.0 ~ 3.6V
2010/05