Cirrus-logic CDB435 Manuel d'utilisateur

Copyright © Cirrus Logic, Inc. 2006(All Rights Reserved)http://www.cirrus.comEvaluation Board for CS4352Features Demonstrates Recommended Layout And

10 DS684DB1CDB4352-110+0-100-90-80-70-60-50-40-30-20-10dBr A20 20k50 100 200 500 1k 2k 5k 10kHz-110+0-100-90-80-70-60-50-40-30-20-10dBr A-120 +0-100 -

DS684DB1 11CDB4352Table 2. CDB4352 Jumper Settings*Default Factory Settings.10.DESIGN NOTE10.1 CDB4352 Revision A.0D2 has been removed and shorted and

12 DS684DB1CDB435211.SCHEMATICS Figure 31. System Block Diagram and Signal FlowCS4352PCM I

DS684DB1 13CDB4352Figure 32. CS4352

14 DS684DB1CDB4352Figure 33. Analog Outputs

DS684DB1 15CDB4352Figure 34. PCM Input Headers

16 DS684DB1CDB4352Figure 35. CS8416 S/PDIF Input

DS684DB1 17CDB4352Figure 36. Power

DS684DB1 18CDB4352Figure 37. Silkscreen Top

19 DS684DB1CDB4352Figure 38. Top Side

2 DS684DB1CDB4352TABLE OF CONTENTS1. CDB4352 SYSTEM OVERVIEW ...

20 DS684DB1CDB4352Figure 39. Bottom Side

DS684DB1 21CDB435212.REVISION HISTORY Release ChangesDB1 Initial ReleaseDB2 Added Performance PlotsContacting Cirrus Logic SupportFor all product ques

DS684DB1 3CDB4352Figure 38. Top Side ...

4 DS684DB1CDB43521. CDB4352 SYSTEM OVERVIEWThe CDB4352 evaluation board is an excellent means of quickly evaluating the CS4352. The CS8416 digital aud

DS684DB1 5CDB43526. GROUNDING AND POWER SUPPLY DECOUPLINGAs with any high-performance converter, the CS4352 requires careful attention to power supply

6 DS684DB1CDB43529. PERFORMANCE PLOTS-140+0-130-120-110-100-90-80-70-60-50-40-30-20-10dBr A20 20k50 100 200 500 1k 2k 5k 10kHz-140+0-130-120-110-100-9

DS684DB1 7CDB4352-40+40-35-30-25-20-15-10-5+0+5+10+15+20+25+30+35dBr A-140 +0-120 -100 -80 -60 -40 -20dBFS-5+5-4-3-2-1+0+1+2+3+4dBr A20 20k50 100 200

8 DS684DB1CDB4352-140+0-130-120-110-100-90-80-70-60-50-40-30-20-10dBr A20 20k50 100 200 500 1k 2k 5k 10kHz-140+0-130-120-110-100-90-80-70-60-50-40-30-

DS684DB1 9CDB4352-140+0-130-120-110-100-90-80-70-60-50-40-30-20-10dB20 20k50 100 200 500 1k 2k 5k 10kHz-33-2.5-2-1.5-1-500m0500m11.522.5V0 1.5m250u 50