CS4227 Datasheet, PDF (11/36 Pages) Cirrus Logic – Six Channel, 20-Bit Codec

CS4227
+5V
Supply
Ferrite Bead
+ 1 µF
0.1 µF
2.0 Ω
+ 1 µF
0.1 µF
To Optional
Input and
Output Buffers
1 µF
16
+
19
VA+
CMOUT
40
VD+
10 µF * 14 _AIN1L
10 µF * 13 _AIN1R
10 µF * 11 _AIN2L
10 µF * 12 _AIN2R
10 µF * 10 _AIN3L
10 µF * 9 _AIN3R
10 µF * 15 _AINAUX
CS4227
21
AOUT1
ANALOG
FILTER
22
AOUT2
ANALOG
FILTER
23
AOUT3
ANALOG
FILTER
24
AOUT4
ANALOG
FILTER
25
AOUT5
ANALOG
FILTER
Digital
Audio
Source _RS
R_S
27
DEM
2
HOLD
1
DATAUX
44
LRCKAUX
43
SCLKAUX
Mode
Setting
8
PDN
7
SPI/I2C
RS = 50 Ω
All unused digital inputs
should be tied to 0V.
Unused analog inputs
should be left unconnected.
AGND1, 2 DGND1, 2
18 20 41 39
NC
17
* Optional if analog inputs biased
to within 1% of CMOUT
26
AOUT6
ANALOG
FILTER
3
SCL/CCLK
4
SDA/CDOUT
6
AD0/CS
5
AD1/CDIN
Microcontroller
34
SDIN1
33
SDIN2
32
SDIN3
36
SDOUT1
35
SDOUT2
37
LRCK
R_S
38
SCLK
R_S
31
CLKOUT
30
OVL
XTO
29
XTI
28
Audio
DSP
C1**
External
Clock Input
C2**
Figure 5. Recommended Connection Diagram
(Also see recommended layout diagrams, Figure 14)
DS281PP2
11