CS42426
2 TYPICAL CONNECTION DIAGRAMS
+3.3 V to +5 V
10 µF
+
0.1 µF
0.01 µF
0.01 µF 0.1 µF +
+5 V
10 µF
10 µF
+
0.1 µF
0.01 µF
4
VD
48
47
46
45
44
43
42
51
VD
41
VA
24
VA
AOUTA1+
GPO1
GPO2
GPO3
GPO4
GPO5
GPO6
GPO7
VLS
OMCK
AOUTA3+
58
ADCIN1
ADCIN2
RMCK
AOUTB3+
AOUTB3-
AOUTA3-
AOUTA2+
AOUTA2-
AOUTB2+
AOUTB2-
AOUTB1+
AOUTB1-
AOUTA1-
0.01 µF 0.1 µF +
10 µF
36
37
35
34
32
33
31
30
28
29
27
26
Analog Conditioning
and Muting
Analog Conditioning
and Muting
Analog Conditioning
and Muting
Analog Conditioning
and Muting
Analog Conditioning
and Muting
Analog Conditioning
and Muting
+2.5 V
to +5 V
OSC
CS5361
A/D Converter
CS5361
A/D Converter
53
0.1 µF
59
57
55
CS42426
56
60
Digital Audio
Processor
61
3
2
1
64
63
ADC_SDOUT
ADC_LRCK
ADC_SCLK
+VA
MUTEC
38
***
***
*** Pull up or down as required on startup
15
16
14
13
Analog
Input
2700 pF*
Buffer *
Right Analog Input
Analog
2700 pF*
Input
Buffer *
Left Analog Input
Mute
Drive
DAC_LRCK
DAC_SCLK
DAC_SDIN1
DAC_SDIN2
DAC_SDIN3
AINL-
AINL+
11
12
Micro-
Controller
7
8
9
10
2 kΩ
2 k
Ω
INT
RST
SCL/CCLK
SDA/CDOUT
AD1/CDIN
AD0/CS
AINR+
AINR-
* See CDB42428 for a recommended filter.
VQ
FILT+
17
18
+
0.1 µF
100 µF
0.1 µF
+
4.7 µF
+1.8V
to +5V
See
Note
6
0.1 µF
VLC
REFGND
LPFLT
19
39
RFILT**
Note: Resistors are required for
I
2
C control port operation
DGND DGND
52
5
AGND
25
AGND
40
** Refer to Table 1
for proper values
CRIP**
CFILT**
Connect DGND and AGND at single point near Codec
Figure 1. Typical Connection Diagram
8
CIRRUS [ CIRRUS LOGIC ]
