AK4641 Datasheet, PDF (47/51 Pages) Asahi Kasei Microsystems – 16 BIT CODEC WITH BLUETOOTH INTERFACE

ASAHI KASEI
SYSTEM DESIGN
Figure 41 shows the system connection diagram for t the AK4641.
[AK4641]
1µ
1µ
1µ 1µ C C C
2.2k
1 MPE
2.2k
2 MPI
1µ
3 INT
2.2µ ^0.1µ
Analog Supply
2.6~ 3.6V
10µ 0.1µ
4 VCOM
5 AVSS
6 AVDD
10µ 0.1µ
7 PVDD
8 PVSS
470n
9 VCOC
5.1kΩ
ROUT 27
MOUT2 26
TST2 25
BBICK 24
Top View BSYNC 23
BSDTO 22
BSDTI 21
DVSS 20
DVDD 19
C
C
Bluetooth
Proccesor
0.1µ
10
Reset
DSP and uP
Notes:
- AVSS, DVSS and BVSS of the AK4641 should be distributed separately from the ground of external controllers.
- Values of R and C in Figure 41 should depend on system.
- All digital input pins should not be left floating.
Figure 41. Typical Connection Diagram
MS0301-E-00
- 47 -
2004/05