Cirrus-logic CDB4349 Manual do Utilizador

Copyright © Cirrus Logic, Inc. 2008(All Rights Reserved)http://www.cirrus.comEvaluation Board for CS4349Features Stand-Alone or PC GUI Board Control

10 DS782DB1CDB4349-22-1.75-1.5-1.25-1-750m-500m-250m0250m500m750m11.251.51.75V0 1.5m250u 500u 750u 1m 1.25msec-40+40-35-30-25-20-15-10-5+0+5+10+15+20+

DS782DB1 11CDB4349-150+0-140-130-120-110-100-90-80-70-60-50-40-30-20-10dBr A20k 120k40k 60k 80k 100kHz-150+0-140-130-120-110-100-90-80-70-60-50-40-30-

12 DS782DB1CDB4349-150+0-140-130-120-110-100-90-80-70-60-50-40-30-20-10dBr A20 20k50 100 200 500 1k 2k 5k 10kHz-22-1.75-1.5-1.25-1-750m-500m-250m0250m

DS782DB1 13CDB434911.SCHEMATICS Figure 34. System Block Diagram and Signal FlowCS4349Serial Control PortPCM HeaderPCM Clocks/DataPCM Clocks/DataI2C/S

14 DS782DB1CDB4349Figure 35. CS4349

DS782DB1 15CDB4349Figure 36. Analog Outputs

DS782DB1 16CDB4349Figure 37. PCM Input Header and Hardware Control

DS782DB1 17CDB4349Figure 38. CS8416 S/PDIF Input

DS782DB1 18CDB4349Figure 39. Control Port

DS782DB1 19CDB4349Figure 40. Power

2 DS782DB1CDB4349TABLE OF CONTENTS1. CDB4349 SYSTEM OVERVIEW ...

DS782DB1 20CDB434912.LAYOUTFigure 41. Silkscreen TopCS4349CDB4349

DS782DB1 21CDB4349Figure 42. Top Side

DS782DB1 22CDB4349Figure 43. Bottom Side

DS782DB1 23CDB434913.REVISION HISTORYRelease Date ChangesDB1June 2007Initial Evaluation Board Datasheet Release

24 DS782DB1CDB4349Contacting Cirrus Logic SupportFor all product questions and inquiries, contact a Cirrus Logic Sales Representative. To find the one

DS782DB1 3CDB4349Figure 38. CS8416 S/PDIF Input ...

4 DS782DB1CDB43491. CDB4349 SYSTEM OVERVIEWThe CDB4349 evaluation board is an excellent platform for quickly evaluating the CS4349. The CS8416 digital

DS782DB1 5CDB43496. POWER SUPPLY CIRCUITRYPower is supplied to the evaluation board by three binding posts (GND, +12V, and -12V), as shown in Figure 4

6 DS782DB1CDB43499. BOARD CONNECTIONS AND SETTINGSBoard connections and settings are shown in Table 1, Table 2, and Table 3. Table 1. System Connectio

DS782DB1 7CDB434910.PERFORMANCE PLOTS Test conditions (unless otherwise specified): TA= 25° C; Measurement bandwidth is 20 Hz to 20 kHz (unweighted);V

8 DS782DB1CDB4349-40+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-110+0-100-90-80-70-60-50-40-30-20-10dBr A-1

DS782DB1 9CDB4349-150+0-140-130-120-110-100-90-80-70-60-50-40-30-20-10dBr A20 20k50 100 200 500 1k 2k 5k 10kHz-150+0-140-130-120-110-100-90-80-70-60-5