CS4224-BS Просмотр технического описания (PDF) - Cirrus Logic

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CS4224-BS

24-Bit 105 dB Audio Codec with Volume Control

Cirrus Logic 

3. TYPICAL CONNECTION DIAGRAM — CS4224

CS4223 CS4224

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

Microcontroller

Rs = 500 Ω

* Required for

Master Mode only

21

VA

20 AINL+

2.2 nF

19 AINL-

6

VD VL

AOUTL+

AOUTL-

AOUTR+

AOUTR-

17 AINR+

2.2 nF

CS4224

16 AINR-

XTI

10 SCL/CCLK

11 SDA/CDIN

12 AD0/CS

27 RST

18 I2C/SPI

1

NC

14

NC

15

NC

28

NC

AGND

22

XTO

SCLK

LRCK

SDIN

SDOUT

DGND

7

13

25

26

Analog Filter

24

23

Analog Filter

3

2

40 pF

5

Rs

4

Rs

9

Rs

8

Rs

*

47 kΩ

40 pF

External

Clock Input

Eliminate the crystal

and capacitors when

using an external

clock input

Audio

DSP

Figure 5. CS4224 Recommended Connection Diagram

(Also see Recommended Layout Diagram)

DS290PP3

11

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