CS4228A Просмотр технического описания (PDF) - Cirrus Logic
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CS4228A Datasheet PDF : 32 Pages
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CS4228A
2. TYPICAL CONNECTION DIAGRAM
Ferrite Bead
+5V
S u p p ly
+ 1 µF
0.1 µF
+ 0.1 µF
Ferrite Bead
1 µF
VL
+5V
Supply
+ 0.1 µF
Ferrite Bead
1 µF
+3.0V to +5V
Supply
21 8
VA VD
22 µF 150 Ω
+
2.2 nf
AINL-
19
+
100 µF
22 µF
150 Ω
+
2.2 nf
20
0.1 µF
17
A IN L +
AINR-
AINR+
+
100 µF
16
0.1 µF
1 µF
FILT
0.1 µF + 18
VL
VL
2.2 K*
M icro co n tro lle r
S D A /C D IN
12
S C L /C C L K
11
A D 0 /C S
13
RST
14
CS4228A
9
VL
FL
23
FR
24
SL
25
ANALOG
F IL T E R
ANALOG
F IL T E R
ANALOG
F IL T E R
Front Left
Front Right
Surround Left
SR
26
ANALOG
F IL T E R
Surround Right
CENTER
27
ANALOG
F IL T E R
Center
SUB
28
ANALOG
F IL T E R
Subwoofer
MUTEC
15
50 Ω
LRCK
6
50 Ω
SCLK
5
S D IN 1
3
S D IN 2
2
S D IN 3
1
50 Ω
50 Ω
50 Ω
SDOUT
4
50 Ω
VL
Digital Audio
P e rip h e ra l
or
DSP
All unused logic inputs
should be tied to 0V.
AGND
22
DGND
7
MCLK
10
Note: AG ND and DG ND pins should
both be tied to a com m on ground plane.
33 K*
* R equired for 2-wire
m ode only
External Clock Input
Note : MCLK Logic High is VL
Figure 6. Recommended Connection Diagram
12
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