CDB42428 Cirrus Logic Inc, CDB42428 Datasheet - Page 18

• Manufacturer Part Number: CDB42428
• Description: BOARD EVAL FOR CS42428 CODEC
• Manufacturer: Cirrus Logic Inc

Specifications of CDB42428

• Main Purpose: Audio, CODEC
• Embedded: Yes, FPGA / CPLD
• Utilized Ic / Part: CS42428/26/18/16
• Primary Attributes: 6 Single-Ended Analog Inputs and 8 Outputs, S/PDIF Digital Audio Transmitter and Receiver
• Secondary Attributes: Graphic User Interface
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Contains lead / RoHS non-compliant
• Other names: 598-1499

18
3. TYPICAL CONNECTION DIAGRAMS
to +5.0 V
+3.3 V
+3.3 V to +5 V
Optional
S/PDIF
OSC
to +5 V
+1.8 V
1. See the ADC Input Filter section in the Appendix.
2. See the DAC Output Filter section in the Appendix.
3. See the PLL Filter section in the Appendix.
** Resistors are required for
I
2
C control port operation
Receiver
CS8416
RMCK
Controller
A/D Converter
10 µF
10 µF
Micro-
CS5361
Digital Audio
A/D Converter
Processor
CS5361
2 k
+
+
Ω
0.1 µF
0.1 µF
**
2 k
Figure 5. Typical Connection Diagram
Ω
0.1 µF
0.01 µF
0.01 µF
0.1 µF
48
47
46
45
44
43
42
53
58
57
55
56
60
61
64
63
62
11
12
10
**
59
3
2
1
8
9
6
7
DAC_SCLK
VD
RMCK
DAC_LRCK
DAC_SDIN1
DAC_SDIN2
DAC_SDIN3
DAC_SDIN4
ADCIN1
ADCIN2
ADC_SDOUT
ADC_LRCK
ADC_SCLK
RST
SDA/CDOUT
VLC
GPO1
GPO2
GPO3
GPO4
GPO5
GPO6
GPO7
OMCK
INT
SCL/CCLK
AD1/CDIN
AD0/CS
DGND DGND
Connect DGND and AGND at single point near Codec
VLS
5
4
52
CS42428
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+
AINL+
AGND
AINR-
40
AINL-
FILT+
24
VQ
VA
36
37
35
34
32
33
31
30
28
29
27
26
22
23
21
20
38
15
16
14
13
17
18
19
39
0.01 µF
0.01 µF
+VA
0.1 µF
CFILT
RFILT
*
*
Analog Output Buffer
0.1 µF +
0.1 µF +
Analog Output Buffer
Analog Output Buffer
Analog Output Buffer
Analog Output Buffer
Mute Circuit (optional)
Analog Output Buffer
Analog Output Buffer
Analog Output Buffer
Mute Circuit (optional)
Mute Circuit (optional)
Mute Circuit (optional)
Mute Circuit (optional)
Mute Circuit (optional)
Mute Circuit (optional)
Mute Circuit (optional)
+
3
3
100 µF
(optional)
Buffer
Buffer
Analog
2700 pF*
Analog
2700 pF*
CRIP
Input
Input
Drive
Mute
and
and
and
and
and
and
and
and
10 µF
10 µF
3
1
1
0.1 µF
2
2
2
2
2
2
2
2
required on startup if the
+
Mute Control is used.
* Pull up or down as
4.7 µF
+5 V
Left Analog Input
Right Analog Input
CS42428
DS605F1