CDB5560-2
TABLE OF CONTENTS
1. INTRODUCTION ....................................................................................................................... 4
1.1 Overview ............................................................................................................................ 5
2. QUICK START ............................................................................................................ 6
3. HARDWARE DESCRIPTION ................................................................................................... 7
3.1 Absolute Maximum Ratings ............................................................................................... 7
3.2 Power Supply .................................................................................................................... 7
3.3 Analog Section .................................................................................................................. 7
3.3.1 Analog Input Buffers ............................................................................................. 7
3.3.2 Multiplexer ............................................................................................................. 8
3.3.3 ADC Reset ............................................................................................................ 8
3.3.4 Voltage Reference ................................................................................................ 8
3.3.5 ADC Reference Frequency ................................................................................... 8
3.4 Digital Section .................................................................................................................... 9
3.4.1 Hardware Configuration ........................................................................................ 9
3.4.2 SPI™ Serial Port Communications ....................................................................... 9
Appendix A. Maximizing the Performance of the CS5560...................................................... 10
A.1 PCB Layout Considerations............................................................................................ 10
A.2 Hardware Considerations................................................................................................ 10
Appendix B. Bill Of Materials.................................................................................................... 11
Appendix C. Schematics .......................................................................................................... 12
Appendix D. Layer Plots ........................................................................................................... 17
LIST OF FIGURES
Figure 1. CDB5560-2 Block Diagram.............................................................................................. 5
Figure 2. CDB5560-2 Board Layout................................................................................................ 6
Figure 3. Schematic - Block Diagram............................................................................................ 12
Figure 4. Schematic - Power Supplies.......................................................................................... 13
Figure 5. Schematic - Input Buffers and Multiplexer ..................................................................... 14
Figure 6. Schematic - CS5560...................................................................................................... 15
Figure 7. Schematic - Configuration & Misc.................................................................................. 16
Figure 8. Top Silkscreen ............................................................................................................... 17
Figure 9. Top Solder Mask............................................................................................................ 18
Figure 10. Top Routing ................................................................................................................. 19
Figure 11. Ground Plane............................................................................................................... 20
Figure 12. Power Plane................................................................................................................. 21
Figure 13. Bottom Solder Mask..................................................................................................... 22
Figure 14. Bottom Silkscreen........................................................................................................ 23
Figure 15. Top Solder Paste Mask................................................................................................ 24
Figure 16. Bottom Routing ............................................................................................................ 25
LIST OF TABLES
Table 1. Power Supply Connections............................................................................................... 7
Table 2. Analog Input Connections................................................................................................. 7
Table 3. Analog Input Channel Selection........................................................................................ 8
Table 4. Hardware Configuration Signals ....................................................................................... 9
Table 5. Serial Interface Connections............................................................................................. 9
DS790DB2
3
CIRRUS [ CIRRUS LOGIC ]
