CS4222
Ferrite Bead
+5V
Supply
+ 1 µF
0.1 µF
2Ω
0.1 µF + 1 µF
150Ω
150
Ω
150
Ω
21
VA
20
AINL+
2.2 nF
19
AINL-
6
VD
AOUTL+
AOUTL-
25
26
Analog
Filter
17
2.2 nF
150Ω
16
AINR+
AOUTR+
AOUTR-
24
23
Analog
Filter
CS4222
AINR-
DEM1
DEM0
18
13
Digital
Audio
Source
Microcontroller
10
11
12
27
2
1
14
15
SCL/CCLK
SDA/CDIN
AD0/CS
RST
SMUTE
NC
NC
NC
NC
AGND
22
SDOUT
SDIN
LRCK
8
9
4
5
3
R
s
R
s
R
s
R
s
R
s
1
R
s
= 500
Ω
R
s
1
= 50
Ω
Audio
DSP
SCLK
MCLK
DGND
7
Note: Pins 10,11, and 12
should be tied to DGND
in stand-alone mode.
28
Figure 1. Recommended Connection Diagram
(Also see recommended layout diagram, Figure 10)
8
DS236PP3