AK4120 Datasheet, PDF (28/30 Pages) Asahi Kasei Microsystems – Sample Rate Converter with Mixer and Volume

ASAHI KASEI
[AK4120]
SYSTEM DESIGN
Figure 21 illustrates a typical system connection diagram. An evaluation board is available which demonstrates this
application circuit, the optimum layout, power supply arrangement and performance measurement results.
Condition: VDD=3.3V, 3-wire serial control mode, Chip Address = “10”
Path Mode 0, Input#2 and Output are slave mode
Digital
Audio
Source
(DIR)
uP
1 IMCLK1
IMCLK2 24
2 SDTI1
SDTI2 23
3 IBICK1
IBICK2 22
4 ILRCK1
ILRCK2 21
5 TEST
6 I2S
AK4120 ^{I2MODE 20} _0.1u
VDD 19
7 I2C
8 CAD0
VSS 18
Top View OMODE 17
9 CSN/CAD1
OMCLK 16
10 CCLK/SCL
SDTO 15
11 CDTI/SDA
OBICK 14
12 PDN
OLRCK 13
ADC
3.3V Supply
Audio
DSP
Figure 21. Example of a typical design
Analog
Input
MS0134-E-00
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2002/1