CS4228A Datasheet, PDF (11/32 Pages) Cirrus Logic – 24-Bit, 96 kHz Surround Sound Codec

CS4228A
2. TYPICAL CONNECTION DIAGRAM
Ferrite Bead
+5V
Supply
+ ^{1 µF}
0.1 µF
+ ^{0.1 µF}
Ferrite Bead
1 µF
VL
+5V
Supply
+ ^0.1µF
Ferrite Bead
1 µF
+2.5V 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
AINL+
AINR-
AINR+
+
100 µF
16
0.1 µF
FILT
1 µF 0.1 µF + 18
VL
VL
2.2 K*
Microcontroller
SDA/CDIN
12
11 ^SCL/CCLK
13 ^AD0/CS
14 ^RST
CS4228A
9
VL
FL
23
ANALOG
FILTER
Front Left
FR
24
ANALOG
FILTER
Front Right
SL
25
ANALOG
FILTER
Surround Left
SR
26
ANALOG
FILTER
Surround Right
CENTER
27
ANALOG
FILTER
Center
SUB
28
ANALOG
FILTER
Subwoofer
MUTEC
15
50 Ω
LRCK
6
50 Ω
SCLK ₅
SDIN1 ₃
SDIN2
2
SDIN3
1
50 Ω
50 Ω
50 Ω
SDOUT
4
50 Ω
VL
Digital Audio
Peripheral
or
DSP
All unused inputs
should be tied to 0V.
AGND
22
DGND
7
MCLK
10
Note: AGND and DGND pins should
both be tied to a common ground plane.
33 K*
* Required for 2-wire
mode only
External Clock Input
Note : MCLK Logic High is VL
Figure 5. Recommended Connection Diagram
DS511PP1
11