2

DS702DB2

CDB3308

TABLE OF CONTENTS

1. SYSTEM OVERVIEW ............................................................................................................................. 3

1.1 Power ............................................................................................................................................... 3

1.2 Grounding and Power Supply Decoupling ........................................................................................ 3

1.3 CS3308 Analog Volume Control ....................................................................................................... 3

1.4 External Control Headers ................................................................................................................. 3

1.5 Analog Inputs .................................................................................................................................... 4

1.6 Analog Outputs ................................................................................................................................. 4

1.7 PC Interfaces .................................................................................................................................... 4

2. PC SOFTWARE CONTROL ................................................................................................................... 5

2.1 CS3308 Controls Tab ....................................................................................................................... 5

2.2 Register Maps Tab ........................................................................................................................... 6

3. PERFORMANCE PLOTS ....................................................................................................................... 7

4. SYSTEM CONNECTIONS & JUMPERS ................................................................................................8

5. CDB BLOCK DIAGRAM ........................................................................................................................ 9

6. CDB SCHEMATICS .............................................................................................................................. 10

7. CDB LAYOUT ....................................................................................................................................... 13

8. REVISION HISTORY ............................................................................................................................ 16

LIST OF FIGURES

Figure 1.CS3308 Controls Tab ................................................................................................................... 5

Figure 2.Register Maps Tab ........................................................................................................................ 6

Figure 3.Frequency Response .................................................................................................................... 7

Figure 4.THD+N vs. Amplitude ................................................................................................................... 7

Figure 5.THD+N vs. Frequency .................................................................................................................. 7

Figure 6.Crosstalk ....................................................................................................................................... 7

Figure 7.Block Diagram ............................................................................................................................... 9

Figure 8.CS3308 ....................................................................................................................................... 10

Figure 9.Analog Inputs and Outputs ......................................................................................................... 11

Figure 10.Serial Control / Power ............................................................................................................... 12

Figure 11.Silkscreen Top .......................................................................................................................... 13

Figure 12.Top Side Copper Layer ............................................................................................................. 14

Figure 13.Bottom Side Copper Layer ........................................................................................................ 15

LIST OF TABLES

Table 1. System Connections ..................................................................................................................... 8

Table 2. On-Board Switches ....................................................................................................................... 8

Table 3. System Headers ............................................................................................................................ 8