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零件编号
产品描述 (功能)
CDB4226 查看數據表(PDF) - Cirrus Logic
零件编号
产品描述 (功能)
生产厂家
CDB4226
Surround Sound Codec
Cirrus Logic
CDB4226 Datasheet PDF : 37 Pages
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CS4226
+5V
Supply
Ferrite Bead
+
1
µ
F
0.1
µ
F
2.0
Ω
+
1
µ
F
0.1
µ
F
To Optional
Input and
Output Buffers
1
µ
F
16
+
19
VA+
CMOUT
40
VD+
21
AOUT1
ANALOG
FILTER
10
µ
F
* 14
AIN1L
22
AOUT2
ANALOG
FILTER
10
µ
F * 13
AIN1R
10
µ
F *
11
AIN2L/FREQ0
CS4226
23
AOUT3
ANALOG
FILTER
10
µ
F
* 12
AIN2R/FREQ1
10
µ
F
*
10
AIN3L/AUTODATA
24
AOUT4
ANALOG
FILTER
10
µ
F * 9
AIN3R/AUDIO
10
µ
F
*
15
AINAUX
25
AOUT5
Digital
Audio
Source
R
S
R
S
R
S
100 pF
R
S
100 pF
R
S
100 pF
27
DEM
2
HOLD/RUBIT
42
RX1
†
1
DATAUX/RX4
†
44
LRCKAUX/RX3
†
R
S
100 pF
43
SCLKAUX/RX2
†
Mode
Setting
8
PDN
7
I
2
C/SPI
R
S
= 50
Ω
R
D
= 475
Ω
All unused digital inputs
should be tied to DGND.
All unused analog inputs
should be left floating.
* Optional if analog inputs
biased to within 1% of
CMOUT
AGND1, 2 DGND1, 2
18 20 41 39
FILT
17
† Only needed when inputs
are used for S/PDIF.
Loop Current
Normal High
C
FILT
15 nF
R
FILT
43 k
Ω
C
RIP
1.5 nF
180 nF
3.3 k
Ω
18 nF
R
FILT
C
FILT
26
AOUT6
3
SCL/CCLK
4
SDA/CDOUT
6
AD0/CS
5
AD1/CDIN
34
SDIN1
33
SDIN2
32
SDIN3
36
SDOUT1
35
SDOUT2
37
LRCK
38
SCLK
31
CLKOUT
30
OVL/ERR
XTO XTI
29
R
X2
**
28
R
X1
**
C1** C2**
C
RIP
Figure 1. Recommended Connection Diagram
ANALOG
FILTER
ANALOG
FILTER
Microcontroller
R
D
R
D
R
D
R
S
R
S
Audio
R
S
DSP
R
S
**
256,
384,
1xFs
512xFs
C1 40 pF 40 pF
C2 10 pF 40 pF
R
X1
300 k
Ω
short
R
X2
10 M
Ω
open
10
DS188F4
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