CDB3318 Cirrus Logic Inc, CDB3318 Datasheet - Page 2

• Manufacturer Part Number: CDB3318
• Description: Eval Bd - 8-channel Digital Vol Cntrl
• Manufacturer: Cirrus Logic Inc

Specifications of CDB3318

• Main Purpose: Audio, Volume Control
• Embedded: No
• Utilized Ic / Part: CS3318
• Primary Attributes: 8 Single-Ended Analog Inputs and Outputs, USB or RS232 Interface
• Secondary Attributes: Graphical User Interface
• Description/function: Audio DSPs
• Operating Supply Voltage: 8 V to 9 V
• Product: Audio Modules
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With/related Products: CS3310
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant, Contains lead / RoHS non-compliant
• Other names: 598-1497

2
TABLE OF CONTENTS
LIST OF FIGURES
LIST OF TABLES
1. SYSTEM OVERVIEW ............................................................................................................................. 3
2. PC SOFTWARE CONTROL ................................................................................................................... 5
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
Figure 1.CS3318 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.CS3318 ....................................................................................................................................... 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
Table 1. System Connections ..................................................................................................................... 8
Table 2. On-Board Switches ....................................................................................................................... 8
Table 3. System Headers ............................................................................................................................ 8
1.1 Power ............................................................................................................................................... 3
1.2 Grounding and Power Supply Decoupling ........................................................................................ 3
1.3 CS3318 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
2.1 CS3318 Controls Tab ....................................................................................................................... 5
2.2 Register Maps Tab ........................................................................................................................... 6
CDB3318
DS693DB2