CDB44800 Cirrus Logic Inc, CDB44800 Datasheet - Page 2

• Manufacturer Part Number: CDB44800
• Description: BOARD EVAL FOR CS44800 PWM CTRL
• Manufacturer: Cirrus Logic Inc
• Series: Popguard®r

Specifications of CDB44800

• Amplifier Type: Class D
• Output Type: 8-Channel
• Voltage - Supply: 20 V ~ 50 V
• Operating Temperature: -10°C ~ 70°C
• Board Type: Fully Populated
• Utilized Ic / Part: CS44800
• Description/function: Audio DSPs
• Operating Supply Voltage: 5 V
• Product: Audio Modules
• For Use With/related Products: CS44800
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Max Output Power X Channels @ Load: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 598-1532; CDB-44800

TABLE OF CONTENTS
LIST OF FIGURES
LIST OF TABLES
2
1. SYSTEM OVERVIEW ............................................................................................................... 3
2. GUI CONTROL ......................................................................................................................... 7
3. SCHEMATICS ........................................................................................................................ 10
4. LAYOUT .................................................................................................................................. 19
5. REVISION HISTORY .............................................................................................................. 22
Figure 1. CS44800 Dialog Tab........................................................................................................ 7
Figure 2. Advanced Register Debug Tab - CS44800...................................................................... 8
Figure 3. Advanced Register Debug Tab - CS8416........................................................................ 9
Figure 4. Power ............................................................................................................................. 10
Figure 5. CS8416 .......................................................................................................................... 11
Figure 6. CS44800 ........................................................................................................................ 12
Figure 7. CS4461 PSR Feedback ................................................................................................. 13
Figure 8. Half Bridge Channels ..................................................................................................... 14
Figure 9. Full Bridge Channels 1................................................................................................... 15
Figure 10. Full Bridge Channels 2................................................................................................. 16
Figure 11. Analog Outputs ............................................................................................................ 17
Figure 12. Control Port .................................................................................................................. 18
Figure 13. Silk Screen ................................................................................................................... 19
Figure 14. Topside Layer .............................................................................................................. 20
Figure 15. Bottomside Layer ......................................................................................................... 21
Table 1. System Connections ......................................................................................................... 6
Table 2. Revision History .............................................................................................................. 22
1.1 CS44800 PWM Modulator ................................................................................................. 3
1.2 CS4461 PSR Feedback ADC ............................................................................................ 3
1.3 TDA8939 Power Stage ...................................................................................................... 3
1.4 CS8416 Digital Audio Receiver .......................................................................................... 3
1.5 Line and Headphone Outputs ............................................................................................ 4
1.6 Control Port Interface and GUI .......................................................................................... 4
1.7 Power ................................................................................................................................. 4
1.8 Grounding and Power Supply Decoupling ......................................................................... 4
1.9 Critical Component Selection ............................................................................................. 4
2.1 CS44800 Dialog Tab .......................................................................................................... 7
2.2 Advanced Register Debug Tab .......................................................................................... 8
CDB44800
DS632DB2