CS4225 Datasheet, PDF (9/30 Pages) Cirrus Logic – Digital Audio Conversion System

CS4225
+5V
Supply
To O ptional
Input Buffers
Ferrite Bead
+ ^{1 µF}
0.1 µF
2.0
+ ^{1 µF}
3
23
VD
CMOUT
0.47 µF
19
A IN 1 L
1.0 µF
18
A IN 1 R
0.1 µF
26
VA
AOUT1
AOUT2
+5V Analog (optional)
If a separate +5V analog supply
is available, attach here and
rem ove the 2.0 resistor
27 ⁶⁰⁰
+
0.0022 µF
NPO
28 ⁶⁰⁰
> 1.8 µF
47 k
+
0.0022 µF
NPO
> 1.8 µF ^47k
1.0 µF
16
A IN 2 L
1.0 µF
17
A IN 2 R
1.0 µF
15
A IN 3 L
1.0 µF
14
AIN3R
CS4225
29 ⁶⁰⁰
+
AOUT3
0.0022 µF
NPO
> 1.8 µF
47 k
30 ⁶⁰⁰
+
AOUT4
0.0022 µF
> 1.8 µF ^{47 k}
NPO
24
VREF
+
0.1 µF
10 µF
0.01 µF
NPO
1.0 µF
21
CR
22
CL
0.01 µF
NPO
150
0.47 µF ^{0.01 µF}
NPO
20
A IN A U X
7
S C L /C C L K /IF 0
9
SDA/CDOUT/CKF0 ₁₀
AD3/CS/IF1 ₈
A D 2/C D IN /C K F 1
M icro-
C o n tro lle r
D ig ita l
A u d io
Source
Mode
S e ttin g
and
Hardware
C on tro ls
4
DATAUX
5
LRCKAUX
6
38 ^SCLKAUX
DIF/HOLD
33
39 ^RST-PDN
H /S
37
13 ^DEM
12 ^IS0/ADO
IS 1 /A D 1
A G N D 1 ,2 DGND
25 31
2
43
SD IN 1 ₄₂
SDIN2 ₁
SDOUT1 ₄₄
SDOUT2
41
LRCK ₄₀
SCLK
CLKOUT ³⁶
11
OVL
FILT X T O X TI
32 35 34
0.2 µF
C1 C2
A u dio
DSP
External
C lock
Input
A ll unused inputs
should be tied to 0V.
All N C pins should
be left floating.
Figure 1 - Recommended Connection Diagram
DS86PP8
9