cs4228a Cirrus Logic, Inc., cs4228a Datasheet - Page 12
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cs4228a
Manufacturer Part Number
cs4228a
Description
24-bit, 96 Khz Surround Sound Codec
Manufacturer
Cirrus Logic, Inc.
Datasheet
1.CS4228A.pdf
(32 pages)
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2. TYPICAL CONNECTION DIAGRAM
12
+5V
S upply
22
22
M icrocontroller
µ
µ
A ll unused logic inputs
F
100
F
should be tied to 0 V.
+
Ferrite B ead
100
+
150
1
VL
150
µ
µ
µ
F
F
F
Ω
+
Ω
+
+
2.2 nf
2.2 nf
0.1
2.2 K *
1
µ
µ
F
F
0.1
0.1
+
V L
µ
µ
0.1
19
20
16
F
17
F
18
12
11
13
14
µ
Figure 6. Recommended Connection Diagram
F
A IN L-
A IN L+
S D A /C D IN
S C L/C C LK
A D 0/C S
21
AIN R -
AIN R +
R S T
FILT
V A
8
A G N D
22
VD
N ote: A G N D and D G N D pin s should
both be tied to a com m on ground p lane.
+
0.1
µ
F
D G N D
C S4228A
7
1
µ
F
Ferrite B ead
+5 V
S upply
C E N TE R
M U TE C
9
S D O U T
M C LK
V L
V L
10
S D IN 1
S D IN 2
S D IN 3
LR C K
S U B
S C LK
S R
FR
+
S L
F L
0.1
23
24
25
26
27
28
15
3
2
1
4
6
5
µ
F
50
50
50
50
50
50
E xternal C lock Input
N ote : M C L K Logic H igh is V L
Ω
1
Ω
Ω
Ω
Ω
Ω
µ
F
AN AL O G
FILTE R
AN AL O G
FILTE R
AN AL O G
FILTE R
AN AL O G
FILTE R
AN AL O G
FILTE R
AN AL O G
FILTE R
Ferrite B ead
33 K *
D igital Au dio
* R equired for 2-w ire
P eripheral
D S P
VL
or
m ode only
CS4228A
S upply
+3.0V to +5V
Front Left
Front Right
Subwoofer
Surround Left
Surround Right
Center