CS4222 Datasheet, PDF (8/26 Pages) Cirrus Logic – 20-Bit Stereo Audio Codec with Volume Control

CS4222
Ferrite Bead
2Ω
+5V
Supply
+ 1 µF
0.1 µF
0.1 µF + 1 µF
150Ω
150Ω
150Ω
150Ω
Microcontroller
Note: Pins 10,11, and 12
should be tied to DGND
in stand-alone mode.
21
VA
20 _AINL+
2.2 nF
6
VD
AOUTL+ ²⁵
AOUTL- ²⁶
19 _AINL-
17 _AINR+
AOUTR+ ²⁴
AOUTR- ²³
2.2 nF
CS4222
16 _AINR-
DEM1 ¹⁸
DEM0 ¹³
10 _SCL/CCLK
11 _SDA/CDIN
12 _AD0/CS
27 _RST
2 _SMUTE
1
NC
14
NC
15
NC
28
NC
AGND
22
SDOUT ⁸
SDIN ⁹
LRCK ⁴
SCLK ⁵
MCLK ³
DGND
7
Figure 1. Recommended Connection Diagram
(Also see recommended layout diagram, Figure 10)
Analog
Filter
Analog
Filter
Digital
Audio
Source
R_s
R_s
R_s
Audio
R_s
DSP
R_{s 1}
R_s = 500 Ω
R_{s 1} = 50 Ω
8
DS236PP3