AK4695 Datasheet, PDF (96/107 Pages) Asahi Kasei Microsystems – 24bit 4ch CODEC with MIC/HP/SPK/LINE-AMP

[AK4695]
SYSTEM DESIGN
Figure 55 shows the system connection diagram. An evaluation board (AKD4695) is available for fast evaluation as well as
suggestions for peripheral circuitry.
Power Supply ^10u
2.7  3.5V
2.2k x 4
1k x 4
1u
0.1u
1u
0.1u
0.1u
Power Supply
10u
1.6  2.0V
Power Supply
1.6  3.5V
10u
MRF
MPWRB
MPWRA
AVDD VSS1 VCOM
DVDD VSS3 TVDD
IN0
IN1
IN2
IN3
Line In
1n x 10
Beep In
Power Supply ^10u
2.7  3.5V
Speaker
1u x 10
0.1u
0.1u
MICIN0L
/DDAT
MICIN0R
/DMCLK
MICIN1L
/DDAT1
MICIN1R
MICIN2L
MICIN2R
MICIN3L
MICIN3R
AUXINL
AUXINR
BEEPIN
SVDD
VSS2
SPP/LOUTB
SPN/ROUTB
AK4695
PDN
CSN
CCLK
CDTIO
GPO1
MCKI
BCKI
LRCK
SDTI
SDTO1
SDTO2
P
DSP
Cap-less
Headphone
0.22u
100
0.22u
100
Stereo
Line-out
22k
1k ^1u
1k _1u
22k
HPL
HPR
LOUTA
ROUTA
CP CN PVEE
2.2u
2.2u
Analog Digital
Ground Ground
Note:
- VSS1, VSS2 and VSS3 of the AK4695 must be distributed separately from the ground of external controllers.
- All digital input pins must not be allowed to float.
- 0.1F capacitors at power supply pins should be ceramic capacitors. Other capacitors do not have specific
types.
Figure 55. System Connection Diagram
MS1463-E-01
- 96 -
2014/12