AK4633 Datasheet, PDF (63/82 Pages) Asahi Kasei Microsystems – 16-Bit Mono CODEC with ALC & MIC/SPK-AMP

ASAHI KASEI
[AK4633]
SYSTEM DESIGN
Figure 45 shows the system connection diagram for the AK4633. An evaluation board [AKD4633] is available which
demonstrates the optimum layout, power supply arrangements and measurement results.
Single Ended input
20k
1µ
2.2k
C ₂₂₀ ^10µ
R
1µ
+
0.1µ
Analog Supply
2.2∼4.0V
2.2µ+
Analog Supply
2.2∼3.6V _10µ +
0.1µ
0.1µ
Cp Rp
1 VCOM
2 AVSS
3 _AVDD
4 VCOC
5 PDN
6 CSN
Top View
R2
SPN 18
SPP 17 ^R1
ZD2
MCKO 16
MCKI 15
DVSS 14
DVDD 13 _0.1µ
Speaker
ZD1
Dynamic SPK :
R1,R2 : Short
ZD1,ZD2 : Open
Peizo SPK :
R1,R2 : 10Ω
ZD1,ZD2 : Required
10
DSP or µP
Figure 45. Typical Connection Diagram
MS0447-E-03
- 63 -
2006/04