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CS42435 Datasheet, PDF (11/58 Pages) Cirrus Logic – 108 dB, 192 kHz 4-In, 8-Out TDM CODEC
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3. TYPICAL CONNECTION DIAGRAMS
+3.3 V
+
10 µF
0.01 µF
0.01 µF
+
10 µF
CS42435
+3.3 V to +5 V
0.01 µF
0.01 µF
CS5341
A/D
Converter
8
VD
10
VLS
16 AUX_SCLK
15 AUX_LRCK
17 AUX_SDIN
+1.8 V
to +5.0 V
Digital Audio
Processor
12 MCLK
11
SCLK
7
14 FS
DAC_SDIN
13 ADC_SDOUT
37
46
VA
VA
AOUT1+ 20
AOUT1- 19
AOUT2+ 21
AOUT2- 22
AOUT3+ 24
AOUT3- 23
AOUT4+ 25
AOUT4- 26
AOUT5+ 28
AOUT5- 27
AOUT6+ 29
AOUT6- 30
AOUT7+ 32
AOUT7- 31
AOUT8+ 33
AOUT8- 34
Analog Output Filter 2
Analog Output Filter 2
Analog Output Filter 2
Analog Output Filter 2
Analog Output Filter 2
Analog Output Filter 2
Analog Output Filter 2
Analog Output Filter 2
AIN1+ 39
AIN1- 38
AIN2+ 41
AIN2- 40
Input
Filter 1
Input
Filter 1
Analog Input 1
Analog Input 2
Micro-
Controller
+1.8 V
to +5 V
2 kΩ
** Resistors are required
for I2C control port
operation
5 RST
1 SCL/CCLK
2 SDA/CDOUT
4 AD1/CDIN
3 AD0/CS
**
**
2 kΩ
6
VLC
0.1 µF
AIN3+ 43
AIN3- 42
AIN4+ 45
AIN4- 44
Input
Filter 1
Input
Filter 1
Analog Input 3
Analog Input 4
VQ 37
FILT+ 47
+
+
DGND DGND
9
18
AGND AGND
35
48
0.1 µF 100 µF 0.1 µF 4.7 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)
DS685F1
11
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