CDB4222(1997) Просмотр технического описания (PDF) - Cirrus Logic

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CDB4222
(Rev.:1997)

20-Bit Stereo Audio Codec with Volume Control

Cirrus Logic 

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

Rs

Rs

Rs

Audio

Rs

DSP

Rs 1

Rs = 500 Ω

Rs 1 = 50 Ω

8

DS236PP3

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