CS8420-DSZR 데이터 시트보기 (PDF) - Cirrus Logic

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CS8420-DSZR

Digital Audio Sample Rate Converter

Cirrus Logic 

2. TYPICAL CONNECTION DIAGRAM

CS8420

+5V

Analog

Supply *

Ferrite *

Bead

0.1μF

0.1μF

+5V

Digital

Supply

AES3/

SPDIF

Source

Cable

Termination

3-wire Serial

Audio Source

VA+

RXP

RXN

VD+

CS8420

TXP

TXN

ILRCK

ISCLK

SDIN

OLRCK

OSCLK

SDOUT

Clock Source

and Control

47kΩ

Hardware

Control

To other

CS8420's

RMCK

SDA/CDOUT

OMCK

AD0 / CS

SCL/CCLK

AD1 / CDIN

INT

EMPH / AD2

U

RERR

RST

TCBL

H/S

AGND FILT

DGND

RFILT

CFILT CRIP

Cable

Interface

AES3/

SPDIF

Equipment

3-wire Serial

Audio Input

Device

Microcontroller

* A separate analog supply is only necessary in applications where

RMCK is used for a jitter sensitive task. For applications where

RMCK is not used for a jitter sensitive task, connect VA+ to VD+

via a ferrite bead. Keep the decoupling capacitor between VA+

and AGND.

Figure 5. Recommended Connection Diagram for Software Mode

12

DS245F4

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