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CS4227-BQ Folha de dados(PDF) 3 Page - Cirrus Logic |
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CS4227-BQ Folha de dados(HTML) 3 Page - Cirrus Logic |
3 / 36 page CS4227 DS281PP2 3 2.11 Power Supply, Layout, and Grounding .......................................................................... 19 2.12 ADC and DAC Filter Response Plots ............................................................................ 20 3. PIN DESCRIPTIONS .............................................................................................................. 29 4. PARAMETER DEFINITIONS .................................................................................................. 33 5. PACKAGE DIMENSIONS ...................................................................................................... 34 LIST OF FIGURES Figure 1. Audio Ports Master Mode Timing..................................................................................... 7 Figure 2. Audio Ports Slave Mode and Data I/O Timing ................................................................. 7 Figure 3. Control Port SPI Mode ..................................................................................................... 8 Figure 4. Control Port I2C Mode...................................................................................................... 9 Figure 5. Recommended Connection Diagram............................................................................. 11 Figure 6. Optional Line Intput Buffer ............................................................................................. 12 Figure 7. Butterworth Filters.......................................................................................................... 13 Figure 8. Audio DSP and Auxiliary Port Data Input Formats ........................................................ 16 Figure 9. Audio DSP Port Data Output Formats ........................................................................... 16 Figure 10. One Data Line Modes ..................................................................................................16 Figure 11. Control Port Timing, SPI Mode .................................................................................... 17 Figure 12. Control Port Timing, I2C® Mode................................................................................... 18 Figure 13. De-emphasis Curve. .................................................................................................... 19 Figure 14. Suggested Layout Guideline........................................................................................ 20 Figure 15. 20-bit ADC Filter Response ......................................................................................... 21 Figure 16. 20-bit ADC Passband Ripple ....................................................................................... 21 Figure 17. 20-bit ADC Transition Band ......................................................................................... 21 Figure 18. DAC Frequency Response .......................................................................................... 21 Figure 19. DAC Passband Ripple ................................................................................................. 21 Figure 20. DAC Transition Band ................................................................................................... 21 LIST OF TABLES Table 1. Single-ended vs Differential Input Pin Assignments .............................................................. 12 Table 2. High Pass Filter Characteristics ............................................................................................ 13 Table 3. DSP Serial Input Ports........................................................................................................... 15 |
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