AK4534 Datasheet, PDF (51/64 Pages) Asahi Kasei Microsystems – 16Bit CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4534]
SYSTEM DESIGN
Figure 31 shows the system connection diagram. An evaluation board [AKD4534] is available which demonstrates the
optimum layout, power supply arrangements and measurement results.
2.2µ
Analog Supply
2.4 ~ 3.6V
10µ
52
1µ
1 MICOUT
2 TST1
1µ
3 EXT
2.2k
4 MPE
2.2k
5 MPI
1µ
6 INT
7 VCOM
0.1µ
8 AVSS
0.1µ
9 AVDD
1µ
1µ 1µ
RRR
C
C
51 50 49 48 47 46 45 44 43 42
Top View
1µ
41 40
MUTET 39
HPL 38
HPR 37
HVSS 36
HVDD 35
SPN 34
SPP 33
M/S 32
XTI/MCKI 31
10Ω
0.22µ
16Ω
1µ
6.8Ω _47µ
6.8Ω
16Ω
0.22µ
10Ω
0.1µ 10µ
Analog Supply
2.4 ~ 3.6V
8Ω
C
10µ 0.1µ
10 PVDD
11 PVSS
10kΩ ^{12 VCOC}
4.7n
13 NC
XTO 30
DVSS 29
DVDD 28
NC 27
C
0.1µ 10µ
10
14 15 16 17 18 19 20 21 22 23 24 25 26
Reset
DSP and uP
Notes:
- AVSS, DVSS, PVSS and HVSS of the AK4534 should be distributed separately from the ground of external
controllers.
- Values of R and C in Figure 31 should depend on system.
- All input pins should not be left floating.
Figure 31. Typical Connection Diagram
MS0133-E-03
- 51 -
2003/5