AK4564 Datasheet, PDF (46/48 Pages) Asahi Kasei Microsystems – 16BIT CODEC WITH BUILT-IN ALC AND MIC/HP/SPK-AMP

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
C1: 0.1µF
C2: 10µF
C3: 0.22µF
1k
C2
+
680
10k
1k
C3 C3
1µ
+
C2
+
C2
+
680
C3 C3
C1
10k
Speaker
+2.6∼3.6V
Analog Supply
DSP
and
µP
C2+ C1
1 SP0
2 MUTE
3 SP1
4 PDN
5 SVDD
6 SVSS
7 BCLK
8 MCLK
9 LRCK
10 CDTI
11 CSN
12 CCLK
AK4564
C1
C2
+
BEEP1 36
MIN 35
MOUT 34
VCOM 33
C1
AVDD 32
C1
AVSS 31
+
2.2µ
+
C2
HVCM 30
MUTET 29
HVDD 28
+
4.7µ
HPR 27
HPL 26
+
C1 2.2µ
C1 C2
+
+
+
BEEP2 25
C1
C1
10
10
10
+2.6∼3.6V
Analog Supply
+2.6∼5.5V
Analog Supply
Headphone
Figure 28. System Connection Diagram
MS0140-E-01
- 46 -
2002/07