CDB4352 Datasheet, PDF (2/21 Pages) Cirrus Logic – Evaluation Board for CS4352

CDB4352
TABLE OF CONTENTS
1. CDB4352 SYSTEM OVERVIEW ............................................................................................................ 4
2. CS4352 DIGITAL-TO-ANALOG CONVERTER ..................................................................................... 4
3. CS8416 DIGITAL AUDIO RECEIVER .................................................................................................... 4
4. INPUT FOR CLOCKS AND DATA ......................................................................................................... 4
5. POWER SUPPLY CIRCUITRY ............................................................................................................... 4
6. GROUNDING AND POWER SUPPLY DECOUPLING .......................................................................... 5
7. HARDWARE CONTROL ........................................................................................................................ 5
8. ANALOG OUTPUT FILTERING ............................................................................................................. 5
9. PERFORMANCE PLOTS ....................................................................................................................... 6
10. DESIGN NOTE ................................................................................................................................... 11
11. SCHEMATICS
.......................................................................... 12
12. REVISION HISTORY ......................................................................................................................... 21
LIST OF FIGURES
Figure 1. FFT (48 kHz, 0 dB) ...................................................................................................................... 6
Figure 2. FFT (48 kHz, -60 dB) ................................................................................................................... 6
Figure 3. FFT (48 kHz, No Input) ................................................................................................................ 6
Figure 4. FFT (48 kHz Out-of-Band, No Input) ............................................................................................ 6
Figure 5. 48 kHz, THD+N vs. Input Freq ..................................................................................................... 6
Figure 6. 48 kHz, THD+N vs. Level ............................................................................................................ 6
Figure 7. 48 kHz, Fade-to-Noise Linearity .................................................................................................. 7
Figure 8. 48 kHz, Frequency Response ...................................................................................................... 7
Figure 9. 48 kHz, Crosstalk ......................................................................................................................... 7
Figure 10. 48 kHz, Impulse Response ........................................................................................................ 7
Figure 11. FFT (96 kHz, 0 dB) .................................................................................................................... 7
Figure 12. FFT (96 kHz, -60 dB) ................................................................................................................. 7
Figure 13. FFT (96 kHz, No Input) .............................................................................................................. 8
Figure 14. FFT (96 kHz Out-of-Band, No Input) .......................................................................................... 8
Figure 15. 96 kHz, THD+N vs. Input Freq ................................................................................................... 8
Figure 16. 96 kHz, THD+N vs. Level .......................................................................................................... 8
Figure 17. 96 kHz, Fade-to-Noise Linearity ................................................................................................ 8
Figure 18. 96 kHz, Frequency Response .................................................................................................... 8
Figure 19. 96 kHz, Crosstalk ....................................................................................................................... 9
Figure 20. 96 kHz, Impulse Response ........................................................................................................ 9
Figure 21. FFT (192 kHz, 0 dB) .................................................................................................................. 9
Figure 22. FFT (192 kHz, -60 dB) ............................................................................................................... 9
Figure 23. FFT (192 kHz, No Input) ............................................................................................................ 9
Figure 24. FFT (192 kHz Out-of-Band, No Input) ........................................................................................ 9
Figure 25. 192 kHz, THD+N vs. Input Freq ............................................................................................... 10
Figure 26. 192 kHz, THD+N vs. Level ...................................................................................................... 10
Figure 27. 192 kHz, Fade-to-Noise Linearity ............................................................................................ 10
Figure 28. 192 kHz, Frequency Response ................................................................................................ 10
Figure 29. 192 kHz, Crosstalk ................................................................................................................... 10
Figure 30. 192 kHz, Impulse Response .................................................................................................... 10
Figure 31. System Block Diagram and Signal Flow .................................................................................. 12
Figure 32. CS4352 .................................................................................................................................... 13
Figure 33. Analog Outputs ........................................................................................................................ 14
Figure 34. PCM Input Headers ................................................................................................................. 15
Figure 35. CS8416 S/PDIF Input .............................................................................................................. 16
Figure 36. Power ....................................................................................................................................... 17
Figure 37. Silkscreen Top ......................................................................................................................... 18
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DS684DB1