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CS4525-CNZ Datasheet(PDF) 7 Page - Cirrus Logic |
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CS4525-CNZ Datasheet(HTML) 7 Page - Cirrus Logic |
7 / 98 page DS726PP1 7 CS4525 Figure 18.Foldback Process ..................................................................................................................... 40 Figure 19.Popguard Connection Diagram ................................................................................................. 46 Figure 20.2-Channel Full-Bridge PWM Output Delay ...............................................................................50 Figure 21.3-Channel PWM Output Delay .................................................................................................. 50 Figure 22.Typical SYS_CLK Input Clocking Configuration ....................................................................... 54 Figure 23.Hardware Mode PWM Output Delay ......................................................................................... 55 Figure 24.Hardware Mode Digital Signal Flow .......................................................................................... 56 Figure 25.Foldback Process ..................................................................................................................... 57 Figure 26.Output Filter - Half-Bridge ......................................................................................................... 59 Figure 27.Output Filter - Full-Bridge .......................................................................................................... 60 Figure 28.Recommended Unity Gain Input Filter ...................................................................................... 61 Figure 29.Recommended 2 VRMS Input Filter ........................................................................................... 61 Figure 30.I²S Serial Audio Formats ........................................................................................................... 62 Figure 31.Left-Justified Serial Audio Formats ........................................................................................... 62 Figure 32.Right-Justified Serial Audio Formats ......................................................................................... 63 Figure 33.Control Port Timing, I²C Write ................................................................................................... 64 Figure 34.Control Port Timing, I²C Read ................................................................................................... 64 LIST OF TABLES Table 1. I/O Power Rails ........................................................................................................................... 12 Table 2. Bass Shelving Filter Corner Frequencies .................................................................................... 31 Table 3. Treble Shelving Filter Corner Frequencies ................................................................................. 32 Table 4. Bass Management Cross-Over Frequencies .............................................................................. 35 Table 5. 2-Way Cross-Over Frequencies .................................................................................................. 41 Table 6. Auxiliary Serial Port Data Output ................................................................................................ 43 Table 7. Nominal Switching Frequencies of the Auxiliary Serial Output ................................................... 43 Table 8. PWM Power Output Configurations ............................................................................................ 45 Table 9. Typical Ramp Times for Various VP Voltages ............................................................................46 Table 10. PWM Logic-Level Output Configurations .................................................................................. 49 Table 11. PWM Output Switching Rates and Quantization Levels ........................................................... 51 Table 12. Output of PWM_SIG Outputs .................................................................................................... 52 Table 13. SYS_CLOCK Frequency Selection ........................................................................................... 54 Table 14. Input Source Selection .............................................................................................................. 55 Table 15. Serial Audio Interface Format Selection .................................................................................... 55 Table 16. Thermal Foldback Enable Selection ......................................................................................... 57 Table 17. PWM Output Switching Rates and Quantization Levels ........................................................... 58 Table 18. Low-Pass Filter Components - Half-Bridge ............................................................................... 59 Table 19. DC-Blocking Capacitors Values - Half-Bridge ........................................................................... 59 Table 20. Low-Pass Filter Components - Full-Bridge ............................................................................... 60 Table 21. Power Supply Configuration and Settings ................................................................................. 63 |
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