CS4270

图19. CS4270推荐模拟输出滤波器.......................................... ................................ 30

图20.建议低电平有效静音电路......................................... ................................................ 31

图21.控制端口时序， SPI模式......................................... .................................................. ..... 32

图22.控制端口时序， IC模式......................................... .................................................. ...... 33

图23.去加重曲线................................................................................................................. 39

图24. DAC单速阻带抑制......................................... ......................................... 41

图25. DAC单速过渡带......................................... ................................................ 41

图26. DAC单速跃迁带（详细） ..................................... ....................................... 41

图27. DAC单速通带纹波......................................... .............................................. 41

图28. DAC双速阻带抑制......................................... ........................................ 41

图29. DAC双速过渡带......................................... .............................................. 41

图30. DAC双速跃迁带（详细） ..................................... ..................................... 42

图31. DAC双速通带纹波......................................... ............................................ 42

图32. DAC四速阻带抑制......................................... ........................................... 42

图33. DAC四倍速过渡带......................................... ................................................. 42

图34. DAC四倍速过渡频带（细节） ..................................... ........................................ 42

图35. DAC四速通带纹波......................................... ............................................... 42

图36. ADC单速阻带抑制......................................... ......................................... 43

图37. ADC单速阻带（详细） ....................................... ............................................... 43

图38. ADC单速跃迁带（详细） ..................................... ....................................... 43

图39. ADC单速通带纹波......................................... .............................................. 43

图40. ADC双速阻带抑制......................................... ........................................ 43

图41. ADC双速阻带（详细） ....................................... .............................................. 43

图42. ADC双速跃迁带（详细） ..................................... ..................................... 44

图43. ADC双速通带纹波......................................... ............................................ 44

图44. ADC的四速阻带抑制......................................... ........................................... 44

图45. ADC的四速阻带（详细） ....................................... ................................................. 44

图46. ADC四倍速过渡频带（细节） ..................................... ........................................ 44

图47. ADC的四速通带纹波......................................... ............................................... 44

表格清单

表1.速度模式..............................................................................................................................

表2.时钟比率 - 单机模式........................................ .................................................. .....

表3. CS4270单机模式控制......................................... .................................................. 。

表4.速度模式..............................................................................................................................

表5.时钟比率 - 控制端口模式......................................... .................................................. .....

表6.模拟输入设计参数........................................... .................................................. ...

表7.内存地址Pointer.............................................................................................................

表8.功能模式Selection..........................................................................................................

表9. MCLK分频Configuration........................................................................................................

表10. DAC数字接口格式........................................... .................................................. .....

表11. ADC数字接口格式........................................... .................................................. .....

表12.软交叉或零交叉模式选择........................................ .........................................

表13.数字音量控制..............................................................................................................

22

23

24

25

25

29

33

36

36

37

37

38

40

DS686PP1

5