LIST OF FIGURES
Figure 1. Typical Connection Diagram (Software Mode) .............................................................. 10
Figure 2. Typical Connection Diagram (Hardware Mode)............................................................. 11
Figure 3. Output Test Load ........................................................................................................... 19
Figure 4. Maximum Loading.......................................................................................................... 19
Figure 5. TDM Serial Audio Interface Timing ................................................................................ 21
Figure 6. Serial Audio Interface Slave Mode Timing..................................................................... 22
Figure 7. Control Port Timing - I²C Format.................................................................................... 23
Figure 8. Control Port Timing - SPI Format................................................................................... 24
Figure 9. Full-Scale Input .............................................................................................................. 28
Figure 10. ADC3 Input Topology................................................................................................... 28
Figure 11. Audio Output Initialization Flow Chart.......................................................................... 31
Figure 12. Full-Scale Output ......................................................................................................... 32
Figure 13. De-Emphasis Curve..................................................................................................... 33
Figure 14. TDM Serial Audio Format............................................................................................. 34
Figure 15. AUX I²S Format............................................................................................................ 35
Figure 16. AUX Left Justified Format ............................................................................................ 35
Figure 17. Control Port Timing in SPI Mode.................................................................................. 36
Figure 18. Control Port Timing, I²C Write...................................................................................... 37
Figure 19. Control Port Timing, I²C Read...................................................................................... 37
Figure 20. Single to Differential Active Input Filter ........................................................................ 51
Figure 21. Single-Ended Active Input Filter................................................................................... 51
Figure 22. Passive Input Filter....................................................................................................... 52
Figure 23. Passive Input Filter w/Attenuation................................................................................ 53
Figure 24. Active Analog Output Filter .......................................................................................... 54
Figure 25. Passive Analog Output Filter........................................................................................ 54
Figure 26. SSM Stopband Rejection............................................................................................. 55
Figure 27. SSM Transition Band ................................................................................................... 55
Figure 28. SSM Transition Band (Detail)....................................................................................... 55
Figure 29. SSM Passband Ripple ................................................................................................. 55
Figure 30. DSM Stopband Rejection............................................................................................. 55
Figure 31. DSM Transition Band................................................................................................... 55
Figure 32. DSM Transition Band (Detail) ...................................................................................... 56
Figure 33. DSM Passband Ripple................................................................................................. 56
Figure 34. SSM Stopband Rejection............................................................................................. 57
Figure 35. SSM Transition Band ................................................................................................... 57
Figure 36. SSM Transition Band (detail) ....................................................................................... 57
Figure 37. SSM Passband Ripple ................................................................................................. 57
Figure 38. DSM Stopband Rejection............................................................................................. 57
Figure 39. DSM Transition Band................................................................................................... 57
Figure 40. DSM Transition Band (detail)....................................................................................... 58
Figure 41. DSM Passband Ripple................................................................................................. 58
Figure 42. QSM Stopband Rejection............................................................................................. 58
Figure 43. QSM Transition Band................................................................................................... 58
Figure 44. QSM Transition Band (detail)....................................................................................... 58
Figure 45. QSM Passband Ripple................................................................................................. 58
4
DS646PP2
CIRRUS [ CIRRUS LOGIC ]
