CS42428 CIRRUS [Cirrus Logic], CS42428 Datasheet - Page 8

• Manufacturer Part Number: CS42428
• Description: 114 dB, 192kHz 8-Ch CODEC WITH PLL
• Manufacturer: CIRRUS [Cirrus Logic]

2 TYPICAL CONNECTION DIAGRAMS
8
+3.3 V to +5 V
to +5 V
to +5 V
+2.5 V
+1.8 V
Note: Resistors are required for
I
2
C control port operation
Controller
A/D Converter
Micro-
10 µF
10 µF
CS5361
Digital Audio
A/D Converter
Processor
See
Note
CS5361
+
+
OSC
0.1 µF
0.1 µF
0.1 µF
0.01 µF
0.01 µF
0.1 µF
53
59
48
47
46
45
44
43
42
58
57
55
56
60
61
64
63
62
11
12
10
3
2
1
7
8
9
6
Figure 1. Typical Connection Diagram
RMCK
DAC_LRCK
DAC_SCLK
DAC_SDIN1
DAC_SDIN3
VD
OMCK
ADC_SCLK
DAC_SDIN2
DAC_SDIN4
ADCIN1
ADCIN2
ADC_SDOUT
ADC_LRCK
INT
RST
SCL/CCLK
SDA/CDOUT
AD1/CDIN
AD0/CS
VLC
DGND DGND
GPO1
GPO2
GPO3
GPO4
GPO5
GPO6
GPO7
VLS
5
4
Connect DGND and AGND at single point near Codec
CS42428
52
VD
51
AGND
25
41
VA
AOUTA1+
AOUTB1+
AOUTA2+
AOUTB2+
AOUTA3+
AOUTB3+
AOUTA4+
AOUTB4+
AOUTA1-
AOUTB1-
AOUTA2-
AOUTB2-
AOUTA3-
AOUTB3-
AOUTA4-
AOUTB4-
REFGND
MUTEC
LPFLT
AINR+
AGND
AINL+
AINR-
40
AINL-
FILT+
24
VQ
VA
18
36
37
35
34
32
33
31
30
28
29
27
26
22
23
21
20
38
15
16
14
13
17
19
39
0.01 µF
0.01 µF
+VA
0.1 µF
***
***
CFILT**
RFILT**
Buffer *
2700 pF*
Buffer *
Analog
2700 pF*
Analog
0.1 µF
0.1 µF
Analog Conditioning
Analog Conditioning
Analog Conditioning
Analog Conditioning
Analog Conditioning
Analog Conditioning
Analog Conditioning
Analog Conditioning
Input
Input
+
* See CDB42428 for a recommended filter.
100 µF
and Muting
and Muting
and Muting
and Muting
and Muting
and Muting
and Muting
and Muting
CRIP**
Mute
Drive
+
+
*** Pull up or down as required on startup
10 µF
10 µF
** Refer to Table 1
0.1 µF
for proper values
+
Left Analog Input
Right Analog Input
4.7 µF
+5 V
CS42428