AK4569 Datasheet, PDF (38/45 Pages) Asahi Kasei Microsystems – 20-Bit Stereo CODEC with IPGA & HP-AMP

ASAHI KASEI
[AK4569]
SYSTEM DESIGN
Figure 24 shows the system connection diagram. An evaluation board [AKD4569] is available which demonstrates the
optimum layout, power supply arrangements and measurement results.
0.1µ
+ 2.2µ
0.1µ
µP
DSP
DIR
Digital Ground
1 PDN
2 CSN
3 CCLK
4 CDTI
5 LRCK
6 MCLK
7 BICK
AK4569
Top View
0.1µ
VREF 21
LIN 20
RIN 19
MIN 18
MOUT 17
1µ
MUTET 16
HPL 15
4.7µ
+
6.8 100µ ^Headphone
+
16
0.1µ
0.1µ
6.8 100µ
+
16
10
Analog Ground
+ _10µ
Analog Supply: 2.5 ∼ 3.6V
Figure 24. Typical Connection Diagram
MS0292-E-01
- 38 -
2005/07