3 TYPICAL CONNECTION DIAGRAMS
+3.3 V
10 µF
+
0.01 µF
0.01 µF
+
+3.3 V to +5 V
10 µF
0.01 µF
8
37
46
VD
10
VA
VA
VLS
AOUT1+
AOUT1-
AOUT2+
AOUT2-
20
19
21
22
24
23
25
26
28
27
29
30
32
31
33
34
0.01 µF
Analog Output Filter
2
Analog Output Filter
2
Analog Output Filter
2
Analog Output Filter
2
Analog Output Filter
2
Analog Output Filter
2
16
CS5341
A/D
Converter
15
17
AUX_SCLK
AUX_LRCK
AUX_SDIN
AOUT3+
AOUT3-
AOUT4+
AOUT4-
AOUT5+
AOUT5-
AOUT6+
AOUT6-
AOUT7+
AOUT7-
AOUT8+
AOUT8-
Analog Output Filter
2
Analog Output Filter
2
AIN1+
AIN1-
AIN2+
12
11
39
38
41
40
Input
Filter
1
Input
Filter
1
Input
Filter
1
Input
Filter
1
Analog Input 1
AIN2-
MCLK
SCLK
FS
DAC_SDIN
AIN3+
AIN3-
AIN4+
AIN4-
Analog Input 2
43
42
45
44
Analog Input 3
+1.8 V
to +5.0 V
7
Digital Audio
Processor
14
Analog Input 4
13
ADC_SDOUT
AIN5+/AIN5A
AIN5-/AIN5B
AIN6+/AIN6A
50
49
52
Input
Filter
1
Input
Filter
1
Input
Filter
1
Input
Filter
1
Input
Filter
1
Analog Input 5
5
Micro-
Controller
RST
SCL/CCLK
SDA/CDOUT
AD1/CDIN
AD0/CS
AIN6-/AIN6B
51
Analog Input 6
1
2
4
3
Analog Input 5A
Analog Input 5B
Analog Input 6A
Analog Input 6B
**
2 kΩ
+1.8 V
to +5 V
** Resistors are required for
I
2
C control port operation
**
2 kΩ
6
VLC
VQ
FILT+
37
47
Input
Filter
1
0.1 µF
+
DGND DGND
9
18
+
100 µF
0.1 µF
4.7 µF
AGND
35
AGND
48
0.1 µF
Connect DGND and AGND at Codec
1. See the ADC Input Filter section in the Appendix.
2. See the DAC Output Filter section in the Appendix.
Figure 1. Typical Connection Diagram (Software Mode)
10
DS646PP2
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