AK4682 Datasheet, PDF (39/43 Pages) Asahi Kasei Microsystems – Multi-channel CODEC with 2Vrms Stereo Selector

[AK4682]
SYSTEM DESIGN
Figure 23 shows the system connection diagram. The evaluation board is available which demonstrates application
circuits, the optimum layout, power supply arrangements and measurement results.
3.3V to 5V
Digital
5V Digital
Analog in
10u ⁺
0.1u
1 DVSS1
2 MCLKB
+
10u
0.1u ³
TVDD
4 LRCKB
5 BICKB
6 SDTOB
7 _PDN
8 LRCKA
9 BICKA
10 ^MCLKA
11 ^SDTIA1
12 SDTIA2
+
RIN2 36
LIN2 35
NC 34
RIN1 33
LIN1 32
0.1u 10u
AVDD1 31
+
AVSS1 30
VCOM3 29
VCOM36 28 + +
AVSS2 27
10u
+
AVDD2 26 _0.1u
ROUT3 25
+
Analog in
5V Analog
5V Analog
9V to 12V
Analog
Digital Ground
Analog Ground
5V Digital
Analog out
Figure 23. Typical Connection Diagram (Master Mode)
Notes:
- DVSS1, AVSS1, DVSS2, AVSS2 and PVSS must be connected the same analog ground plane.
MS0610-E-01
- 39 -
2007/07