CS4225 데이터 시트보기 (PDF) - Cirrus Logic

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CS4225

Digital Audio Conversion System

Cirrus Logic 

Digital

Ground

Plane

> 1/8"

+5V

Ferrite

Bead

Ground

Connection

CS4225

Analog

Ground

Plane

CS4225

Note that the CS4225

is oriented with its

digital pins towards the

digital end of the board.

Digital

Supply

CPU & Digital

Logic

Codec

digital

signals

Codec

analog

signals &

components

Figure 9. Suggested Layout Guideline

1.0 uF

0.1 uF

1

Digital

Supply

0.1 uF

1.0 uF

1

= vias through to

ground plane

FILT

0.2 uF

= vias through to

ground plane

FILT

Analog 0.1 uF

Supply

1.0 uF

DS86PP8

0.1 uF

1.0 uF

Analog 0.1 uF

Supply 1.0 uF

Figure 10. Recommended Decoupling Capacitor Layout

0.2 uF

0.1 uF

1.0 uF

21

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