CDB4391(2000) Просмотр технического описания (PDF) - Cirrus Logic

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CDB4391
(Rev.:2000)

24-Bit, 192 kHz Stereo DAC with Volume Control

Cirrus Logic 

CS4391

LIST OF TABLES

Figure:1. Digital Interface Formats - PCM Modes ....................................................................... 26

Figure:2. Digital Interface Formats - DSD Mode ......................................................................... 26

Figure:3. De-Emphasis Mode Selection ..................................................................................... 26

Figure:4. Functional Mode Selection ........................................................................................... 26

Figure:5. Soft Cross or Zero Cross Mode Selection ................................................................... 26

Figure:6. ATAPI Decode ............................................................................................................. 27

Figure:7. Digital Volume Control ................................................................................................. 27

Figure:8. Single Speed (4 to 50 kHz sample rates) Common Clock Frequencies ...................... 28

Figure:9. Double Speed (50 to 100 kHz sample rates) Common Clock Frequencies ................ 28

Figure:10. Quad Speed (100 to 200 kHz sample rates) Common Clock Frequencies .............. 28

Figure:11. Single Speed (4 to 50 kHz) Digital Interface Format, Stand-Alone Mode Options ..... 28

Figure:12. Single Speed Only (4 to 50 kHz) De-Emphasis, Stand-Alone Mode Options ............ 28

Figure:13. Double Speed (50 to 100 kHz) Digital Interface Format, Stand-Alone Mode Options 28

Figure:14. Quad Speed (100 to 200 kHz) Digital Interface Format, Stand-Alone Mode Options 29

Figure:15. Direct Stream Digital (DSD), Stand-Alone Mode Options .......................................... 29

Figure:16. Memory Address Pointer (MAP) ................................................................................ 34

LIST OF FIGURES

Figure 1. Serial Mode Input Timing ................................................................................................. 8

Figure 2. Direct Stream Digital - Serial Audio Input Timing............................................................. 9

Figure 3. I2C Control Port Timing .................................................................................................. 10

Figure 4. SPI Control Port Timing ................................................................................................. 11

Figure 5. Typical Connection Diagram - PCM Mode..................................................................... 12

Figure 6. Typical Connection Diagram - DSD Mode ..................................................................... 13

Figure 7. Format 0, Left Justified up to 24-Bit Data....................................................................... 30

Figure 8. Format 1, I2S up to 24-Bit Data ..................................................................................... 30

Figure 9. Format 2, Right Justified 16-Bit Data ............................................................................. 30

Figure 10. Format 3, Right Justified 24-Bit Data ........................................................................... 30

Figure 11. Format 4, Right Justified 20-Bit Data. (Available in Control Port Mode only).............. 31

Figure 12. Format 5, Right Justified 18-Bit Data. (Available in Control Port Mode only)............... 31

Figure 13. De-Emphasis Curve ..................................................................................................... 31

Figure 14. ATAPI Block Diagram .................................................................................................. 31

Figure 15. CS4391 Output Filter ................................................................................................... 32

Figure 16. Control Port Timing, SPI mode .................................................................................... 34

Figure 17. Control Port Timing, I2C Mode ..................................................................................... 34

Figure 18. Single-Speed Frequency Response ............................................................................ 35

Figure 19. Single-Speed Transition Band ..................................................................................... 35

Figure 20. Single-Speed Transition Band ..................................................................................... 35

Figure 21. Single-Speed Stopband Rejection ............................................................................... 35

Figure 22. Double-Speed Frequency Response ........................................................................... 35

Figure 23. Double-Speed Transition Band .................................................................................... 35

Figure 24. Double-Speed Transition Band .................................................................................... 36

Figure 25. Double-Speed Stopband Rejection.............................................................................. 36

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