ASAHI KASEI
[AK4564]
SYSTEM DESIGN
Figure 28 shows the system connection diagram. An evaluation board (AKD4564) is available which demonstrates
application circuits, the optimum layout, power supply arrangements and measurement results.
+2.6~5.5V Analog Supply
1k
C1: 0.1mF
1k
C2
C2
C2
+
+
+
C2: 10mF
680
680
C3 C3
C3 C3
C3: 0.22mF
1m
10k
10k
C1
+
1
2
3
4
5
6
7
8
9
SP0
36
BEEP1
Speaker
MUTE
SP1
MIN 35
MOUT 34
+
+
PDN
33
32
VCOM
AVDD
2.2m
C1
+2.6~3.6V
Analog Supply
+
+2.6~3.6V
Analog Supply
SVDD
SVSS
BCLK
MCLK
LRCK
+
C2
C1
C1
C2
AK4564
AVSS 31
30
HVCM
+
2.2m
C1
C1
MUTET 29
HVDD 28
C2
+2.6~5.5V
Analog Supply
4.7m
+
+
+
10 CDTI
11 CSN
12 CCLK
27
HPR
DSP
and
m
P
Headphone
HPL 26
25
C1
10
BEEP2
C1
10
C1
C2
+
10
Figure 28. System Connection Diagram
MS0140-E-01
2002/07
- 46 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
