Cirrus-logic CRD35L01 Manuel d'utilisateur

http://www.cirrus.comCopyright  Cirrus Logic, Inc. 2010(All Rights Reserved)1 x 1.7 W CS35L01 Amplifier Reference Design KitFeatures Four boards pro

10 DS914RD2CRD35L015. CRD LAYOUTFigure 6. CRD35L01-SD Top Side Component PlacementFigure 7. CRD35L01-SD Bottom Side Component PlacementFigure 8. CR

DS914RD2 11CRD35L01Figure 12. CRD35L01-FSD Top Side Component PlacementFigure 13. CRD35L01-FSD Bottom Side Component PlacementFigure 15. CRD35L01-F

12 DS914RD2CRD35L01Figure 18. CRD35L01-HD Top Side Component PlacementFigure 19. CRD35L01-HD Bottom Side Component PlacementFigure 20. CRD35L01-HD

DS914RD2 13CRD35L01Figure 24. CRD35L01-FHD Top Side Component PlacementFigure 29. CRD35L01-FHD Layer 4 CopperFigure 25. CRD35L01-FHD Bottom Side Co

14 DS914RD2CRD35L016. REVISION HISTORYRelease ChangesRD1 – Initial ReleaseRD2 – Updated front page 1% and 10% output power numbers to match DS909A2 da

2 DS914RD2CRD35L01TABLE OF CONTENTS1. SYSTEM OVERVIEW ...

DS914RD2 3CRD35L01LIST OF TABLESTable 1. System Input and Output Connections ...

4 DS914RD2CRD35L011. SYSTEM OVERVIEWThe CRD35L01 reference design is a practical means for evaluating the CS35L01 high-efficiency Class-D audio am-pli

DS914RD2 5CRD35L01By adding series resistance to the input, the signal amplitude to the CS35L01 will be reduced, and willreduce the overall system gai

6 DS914RD2CRD35L012. GROUNDING AND POWER SUPPLY DECOUPLINGThe CS35L01 requires careful attention to power supply and grounding arrangements to optimiz

DS914RD2 7CRD35L013. SYSTEM CONNECTORS AND JUMPERSConnector NameReference DesignatorPin Signal DirectionConnector FunctionIN+IN-GNDJ1J1J1123InputInput

8 DS914RD2CRD35L014. CRD SCHEMATICFigure 3. CRD35L01-FSD SchematicFigure 2. CRD35L01-SD SchematicFigure 4. CRD35L01-HD Schematic Figure 5. CRD35L0

DS914RD2 9CRD35L014.1 Bill of MaterialsThe component listing below is shown for the four CRD35L01 board variations (-SD, -FSD, -HD, and -FHD).Unpopula