ak4125 AKM Semiconductor, Inc., ak4125 Datasheet - Page 20

• Manufacturer Part Number: ak4125
• Description: 192khz / 24bit High Performance Asynchronous Src
• Manufacturer: AKM Semiconductor, Inc.

Figure 15, Figure 16 show the system connection diagram. The evaluation board demonstrates application circuits, the
optimum layout, power supply arrangements and measurement results.
Note:
MS0379-E-04
• Input PORT: Slave Mode, IBICK lock mode (64fsi), 24bit MSB justified
• Output PORT: Slave mode, 24bit MSB justified
• Dither = OFF
- AVSS and DVSS of the AK4125 should be distributed separately from the ground of external digital
- All digital input pins should not be left floating.
DSP, uP
devices (MPU, DSP etc.).
Reset
0.22μ
64fsi
fsi
470
Figure 15. Typical Connection Diagram (Slave mode)
1.0n
10
11
12 IDIF2
13 PLL0
14 PLL1
15 UNLOCK
1
2
3
4
5
6
7
8
9
FILT
AVSS
PDN
SMUTE
DITHER
PLL2
ILRCK
IBICK
SDTI
IDIF0
IDIF1
SYSTEM DESIGN
AK4125
- 20 -
CMODE2
CMODE1
CMODE0
OMCLK
OLRCK
OBICK
IMCLK
ODIF1
ODIF0
DVDD
AVDD
OBIT1
OBIT0
DVSS
SDTO
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
0.1μ
0.1μ
64fso
fso
10μ
Supply
3.0 ~ 3.6V
DSP
[AK4125]
2007/07