CS4222_02 Datasheet, PDF (13/29 Pages) Cirrus Logic – 20-Bit Stereo Audio Codec with Volume Control

3. TYPICAL CONNECTION DIAGRAM
CS4222
F e rrite B e a d
2Ω
+ 5 .0 V
S u p p ly
+ 1 µF
0 .1 µ F
0.1 µ F + 1 µ F
150^Ω
150Ω
150Ω
150^Ω
M ic ro c o n tro lle r
N o te : P in s 1 0 , 1 1 a n d 1 2
s h o u ld b e tie d to D G N D
in sta n d -a lo n e m o d e .
21
6
VA
VD
20 _{AIN L+}
2 .2 n F
AOUTL+ ²⁵
AOUTL- ²⁶
19 _{AIN L-}
17 _{AIN R +}
2 .2 n F
AOUTR+ ²⁴
AOUTR- ²³
C S 4 22 2
16 _{AIN R -}
DEM 1 ¹⁸
DEM 0 ¹³
10
S C L /C C L K
11
S D A /C D IN
12
A D 0 /C S
27
RST
2
SM UTE
1
NC
14
NC
15
NC
28
NC
M CLK
3
SCLK ⁵
LRCK ⁴
S D IN ⁹
SDOUT ⁸
AGND
DGND
22
7
A n a lo g F ilte r
A n a lo g F ilte r
D ig ita l A u d io
S ource
R _s1
R_s
R_s
R_s
R_s
A u d io
DSP
R_s1 = 50 Ω
R _s = 500 Ω
Figure 4. CS4222 Recommended Connection Diagram
DS236F1
13