Cirrus-logic CDB3308 Bedienungsanleitung

Copyright © Cirrus Logic, Inc. 2006(All Rights Reserved)http://www.cirrus.comEvaluation Board for CS3308Features Single-ended Analog Inputs Single-e

10 DS702DB2CDB33086. CDB SCHEMATICSFigure 8. CS3308Schematic Page 1

DS702DB2 11CDB3308Figure 9. Analog Inputs and OutputsSchematic Page 2

12 DS702DB2CDB3308Figure 10. Serial Control / PowerSchematic Page 3

DS702DB2 13CDB33087. CDB LAYOUTFigure 11. Silkscreen TopCDB3308±5V

14 DS702DB2CDB3308Figure 12. Top Side Copper Layer

DS702DB2 15CDB3308Figure 13. Bottom Side Copper Layer

16 DS702DB2CDB33088. REVISION HISTORYRelease ChangesDB1 Initial ReleaseDB2 Updated performance plots shown in Figures 3 - 6 on page 7.Contacting Cirru

2 DS702DB2CDB3308TABLE OF CONTENTS1. SYSTEM OVERVIEW ...

DS702DB2 3CDB33081. SYSTEM OVERVIEWThe CDB4265 evaluation board is an excellent means for evaluating the CS3308 digitally controlled analog volumecont

4 DS702DB2CDB3308The 10-pin, 2 column header, J88, provides unidirectional output access to the CS3308’s SPI MOSI andCCLK signals, as well as its AD0,

DS702DB2 5CDB33082. PC SOFTWARE CONTROLThe CDB3308 is designed for use with the Microsoft Windows based FlexGUI graphical user interface. This inter-f

6 DS702DB2CDB33082.2 Register Maps TabThe Register Maps tab provides an easy register-level interface to the on-board devices. Register valuescan be m

DS702DB2 7CDB33083. PERFORMANCE PLOTS(TA= +25 ºC, VA+ = +5 V, VA- = -5 V, VD = +3.3 V, RL=100kΩ, CL=20pF, VIN=2VRMS, FIN=1kHz,Gain = 0 dB, Measurement

8 DS702DB2CDB33084. SYSTEM CONNECTIONS & JUMPERSConnector NameReference DesignatorSignal Direction Connector FunctionGND J5 Input Ground reference

DS702DB2 9CDB33085. CDB BLOCK DIAGRAMFigure 7. Block DiagramCS33088-ChannelDigitally ControlledAnalog Volume Control8-ChannelPassiveInputsAC/DC Coupl