CS4220 Datasheet, PDF (10/32 Pages) Cirrus Logic – 24-Bit Stereo Audio Codec with 3V Interface

2. TYPICAL CONNECTION DIAGRAM — CS4220
CS4220 CS4221
Ferrite Bead
2^Ω
+5V
Supply
+ 1 µF
0.1 µF
0.1 µF + 1 µF
+2.7 - 5V
0.1 µF + 1 µF
150^Ω
150^Ω
150^Ω
150^Ω
Mode Selection
R_s = 500 ^Ω
* Required for
Master Mode only
21
6
VA
VD
20 _AINL+
VL ¹³
2.2 nF
AOUTL+ ²⁵
19 _AINL-
AOUTL- ²⁶
AOUTR+ ²⁴
17 _AINR+
2.2 nF
AOUTR- ²³
DEM1 ¹⁸
DEM0 ¹²
16 _{AINR- CS4220}
XTI ³
10 _DIF1
11 _DIF0
27 _RST
XTO ²
Analog Filter
Analog Filter
Digital Audio
Source
40 pF
40 pF
External
Clock Input
Eliminate the crystal
and capacitors when
using an external
clock input
1
NC
14
NC
15
NC
28
NC
AGND
22
SCLK ⁵
R_s
LRCK ⁴
R_s
SDIN ⁹
R_s
SDOUT ⁸
R_s
DGND
7
*
47
k^Ω
Audio
DSP
Figure 4. CS4220 Recommended Connection Diagram
(Also see Recommended Layout Diagram)
10
DS284PP3