2

DS691DB1

CDB4350

TABLE OF CONTENTS

1. CDB4350 SYSTEM OVERVIEW ............................................................................................................ 3

2. CS4350 DIGITAL-TO-ANALOG CONVERTER ..................................................................................... 3

3. CS8416 DIGITAL AUDIO RECEIVER .................................................................................................... 3

4. INPUT FOR CLOCKS AND DATA ......................................................................................................... 3

5. INPUT FOR CONTROL DATA ............................................................................................................... 3

6. POWER SUPPLY CIRCUITRY ............................................................................................................... 4

7. GROUNDING AND POWER SUPPLY DECOUPLING .......................................................................... 4

8. ANALOG OUTPUT FILTERING ............................................................................................................. 4

9. BOARD CONNECTIONS AND SETTINGS ............................................................................................ 5

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

11. LAYOUT ............................................................................................................................................. 13

12. REVISION HISTORY .......................................................................................................................... 16

LIST OF FIGURES

Figure 1.System Block Diagram and Signal Flow ....................................................................................... 6

Figure 2.CS4350 ......................................................................................................................................... 7

Figure 3.Analog Outputs ............................................................................................................................. 8

Figure 4.PCM Input Header and Hardware Control .................................................................................... 9

Figure 5.CS8416 S/PDIF Input ................................................................................................................. 10

Figure 6.Control Port ................................................................................................................................. 11

Figure 7.Power .......................................................................................................................................... 12

Figure 8.Silkscreen Top ............................................................................................................................ 13

Figure 9.Top Side ...................................................................................................................................... 14

Figure 10.Bottom Side .............................................................................................................................. 15

LIST OF TABLES

Table 1. System Connections ..................................................................................................................... 5

Table 2. CDB4350 Jumper Settings ............................................................................................................ 5

Table 3. CDB4350 Switch Settings ............................................................................................................. 5