Cirrus-logic CDB4365 Manuel d'utilisateur

Copyright © Cirrus Logic, Inc. 2008(All Rights Reserved)http://www.cirrus.comEvaluation Board for CS4365Features Demonstrates recommended layout and

10 DS670DB3CDB4365Figure 14. 48 kHz Dynamic Range-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-

DS670DB3 11CDB4365-150+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-

12 DS670DB3CDB4365-5+5-4-3-2-1+0+1+2+3+4dBr A20 20k50 100 200 500 1k 2k 5k 10kHz-40+40-35-30-25-20-15-10-5+0+5+10+15+20+25+30+35dBr A-140 +0-120 -100

DS670DB3 13CDB4365Figure 28. Dynamic Range 96 kHz-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-

14 DS670DB3CDB4365-150+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-

DS670DB3 15CDB4365-40+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

16 DS670DB3CDB4365Figure 42. Dynamic Range 192 kHz

DS670DB3 17CDB43659. CDB4365 SCHEMATICS CS4365CS8416S/PDIF InputSerial Control PortPCM muxPCM Clocks/DataPCM Clocks/DataI2C/SPI HeaderPowerDSD Clocks

18 DS670DB3CDB4365Figure 44. CS4365

DS670DB3 19CDB4365Figure 45. Analog Outputs A1 - B1

2 DS670DB3CDB4365TABLE OF CONTENTS1. CS4365 DIGITAL-TO-ANALOG CONVERTER ...

20 DS670DB3CDB4365Figure 46. Analog Outputs A2 - B2

DS670DB3 21CDB4365Figure 47. Analog Outputs A3 - B3

22 DS670DB3CDB4365Figure 48. CS8416 S/PDIF Input

DS670DB3 23CDB4365Figure 49. PCM Input Header and Muxing

24 DS670DB3CDB4365Figure 50. DSD Input Header

DS670DB3 25CDB4365Figure 51. Control Input

26 DS670DB3CDB4365Figure 52. Power Inputs

DS670DB3 27CDB4365Figure 53. Silkscreen Top

28 DS670DB3CDB4365Figure 54. Top Side

DS670DB3 29CDB4365Figure 55. Bottom Side

DS670DB3 3CDB4365Figure 40.192 kHz, Impulse Response ...

30 DS670DB3CDB436510.REVISION HISTORY Release ChangesDB1 Initial ReleaseDB2 Added Performance PlotsDB3 Added USB support to Section 4. Input for Contr

4 DS670DB3CDB4365CDB4365 SYSTEM OVERVIEWThe CDB4365 evaluation board is an excellent means of quickly evaluating the CS4365. The CS8416 digital audioi

DS670DB3 5CDB4365source, remove the shunts on J15 and place a ribbon cable so the signal lines are on the center row and the groundsare on the right s

6 DS670DB3CDB4365 Table 2. CDB4365 Jumper SettingsJUMPER / SWITCH PURPOSE POSITION FUNCTION SELECTEDJ15 Selects source of control data*shunts on Lefts

DS670DB3 7CDB43658. PERFORMANCE PLOTSThe plots in the following section were acheived using an Audio Precision System 2700 and a randomly chosen pro-d

8 DS670DB3CDB4365-150+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

DS670DB3 9CDB4365-150+0-140-130-120-110-100-90-80-70-60-50-40-30-20-10dB20 20k50 100 200 500 1k 2k 5k 10kHz-33-2.5-2-1.5-1-500m0500m11.522.5V0 3m500u