ak4121 AKM Semiconductor, Inc., ak4121 Datasheet - Page 16

• Manufacturer Part Number: ak4121
• Description: Asynchronous Sample Rate Converter
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
Figure 9 and Figure 10 illustrate typical system connection diagrams. An evaluation board is available which
demonstrates this application circuit, the optimum layout, and power supply arrangement and performance
measurement results.
MS0191-E-03
Note 1. TVDD should be the same as the maximum input voltage.
DSP1
DSP1
(fix to “H” or “L”)
(fix to “H” or “L”)
Mode setting
Mode setting
Control
Control
Figure 10. Example of a typical design (Master Mode; MCLK=256fso)
4.7u
4.7u
fsi
fsi
560
560
Figure 9. Example of a typical design (Slave Mode)
1.0n
1.0n
FILT
AVSS
PDN
SMUTE
DEM0
DEM1
ILRCK
IBICK
SDTI
IDIF0
IDIF1
IDIF2
FILT
AVSS
PDN
SMUTE
DEM0
DEM1
ILRCK
IBICK
SDTI
IDIF0
IDIF1
IDIF2
SYSTEM DESIGN
AK4121
AK4121
- 16 -
CMODE2
CMODE1
CMODE0
CMODE2
CMODE1
CMODE0
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
x x x x
OLRCK
OLRCK
OBICK
OBICK
+
+
0.1u
ODIF1
ODIF0
0.1u
ODIF1
ODIF0
MCLK
SDTO
MCLK
SDTO
DVSS
TVDD
DVSS
TVDD
VDD
VDD
10u
10u
0.1u
0.1u
256fso
64fso
fso
fso
+3.3~5V
Digital (note 1)
+3.3~5V
Digital (note 1)
+3.3V Analog
+3.3V Analog
DSP2
DSP2
[AK4121]
2004/08