Cirrus-logic CDB35L00-X4 Manual do Utilizador

http://www.cirrus.comCopyright  Cirrus Logic, Inc. 2010 (All Rights Reserved)2.7 W x 4 CS35L00 Amplifier Demonstration BoardFeatures Contains 4 CS35

10 DS913DB2CDB35L00-X44.1 Bill of MaterialsThe component listing below is shown for the CDB35L00-X4 board. Unpopulated (DNP) components arelisted with

DS913DB2 11CDB35L00-X45. CDB LAYOUTFigure 5. CDB35L00-X4 Top Side Component PlacementFigure 6. CDB35L00-X4 Bottom Side Component PlacementFigure 7.

12 DS913DB2CDB35L00-X46. REVISION HISTORYRelease ChangesDB1 – Initial ReleaseDB2 – Updated 10% output power numbers on the front page to match DS906A2

2 DS913DB2CDB35L00-X4TABLE OF CONTENTS1. SYSTEM OVERVIEW ...

DS913DB2 3CDB35L00-X41. SYSTEM OVERVIEWThe CDB35L00-X4 demonstration board is an practical means for evaluating the CS35L00 2.7 W Hybrid Class-Damplif

4 DS913DB2CDB35L00-X41.3.1.1 Hybrid Control Resistor ConfigurationEach CS35L00 device has a hybrid control resistor. Whenthe hybrid control resistor f

DS913DB2 5CDB35L00-X41.4.1 Shutdown Control ResistorsThe CDB35L00-X4 contains 0 ohm resistors (R1-R4) whichallow the individual CS35L00 shutdown pins

6 DS913DB2CDB35L00-X41.6 Differential Analog InputsThe differential audio inputs into the four CS35L00 devices are provided by the 3-pin headers (J10,

DS913DB2 7CDB35L00-X42. GROUNDING AND POWER SUPPLY DECOUPLINGThe CS35L00 requires careful attention to power supply and grounding arrangements to opti

8 DS913DB2CDB35L00-X43. SYSTEM CONNECTORS AND JUMPERSConnector NameReference DesignatorPin Signal DirectionConnector FunctionVBATTGNDJ1J112InputInputP

DS913DB2 9CDB35L00-X44. CDB SCHEMATICFigure 4. CDB35L00-X4 Schematic