CDB4220 Просмотр технического описания (PDF) - Cirrus Logic

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производитель

CDB4220

24-Bit Stereo Audio Codec with 3V Interface

Cirrus Logic 

2. TYPICAL CONNECTION DIAGRAM — CS4220

CS4220 CS4221

Ferrite Bead

2Ω

+5V

Supply

+ 1 µF

0.1 µF

0.1 µF + 1 µF

+2.7 - 5V

0.1 µF + 1 µF

150Ω

150Ω

150Ω

150Ω

Mode Selection

Rs = 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

Rs

LRCK 4

Rs

SDIN 9

Rs

SDOUT 8

Rs

DGND

7

*

47

kΩ

Audio

DSP

Figure 4. CS4220 Recommended Connection Diagram

(Also see Recommended Layout Diagram)

10

DS284PP3

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