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CS4351 Datasheet(PDF) 9 Page - Cirrus Logic |
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CS4351 Datasheet(HTML) 9 Page - Cirrus Logic |
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9 / 37 page ![]() DS566F1 9 CS4351 COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE (Continued) Notes: 2. Slow Roll-off interpolation filter is only available in Control Port mode. 3. Response is clock dependent and will scale with Fs. 4. For Single-Speed Mode, the Measurement Bandwidth is from stopband to 3 Fs. For Double-Speed Mode, the Measurement Bandwidth is from stopband to 3 Fs. For Quad-Speed Mode, the Measurement Bandwidth is from stopband to 1.34 Fs. 5. De-emphasis is available only in Single-Speed Mode; Only 44.1 kHz De-emphasis is available in Stand- Alone Mode. 6. Amplitude vs. Frequency plots of this data are available in the “Digital Filter Response Plots” on page 31. Parameter Slow Roll-Off (Note 2) Unit Min Typ Max Single-Speed Mode - 48 kHz Passband (Note 3) to -0.01 dB corner to -3 dB corner 0 0 - - 0.417 0.499 Fs Fs Frequency Response 10 Hz to 20 kHz -0.01 - +0.01 dB StopBand .583 - - Fs StopBand Attenuation (Note 4) 64 - - dB Total Group Delay (Fs = Output Sample Rate) - 6.5/Fs - s Intra-channel Phase Deviation - - ±0.14/Fs s Inter-channel Phase Deviation - - 0 s De-emphasis Error (Note 5) Fs = 32 kHz (Relative to 1 kHz) Fs = 44.1 kHz Fs = 48 kHz - - - - - - ±0.23 ±0.14 ±0.09 dB dB dB Double-Speed Mode - 96 kHz Passband (Note 3)) to -0.01 dB corner to -3 dB corner 0 0 - - .296 .499 Fs Fs Frequency Response 10 Hz to 20 kHz -0.01 - 0.01 dB StopBand .792 - - Fs StopBand Attenuation (Note 4) 70 - - dB Total Group Delay (Fs = Output Sample Rate) - 3.9/Fs - s Intra-channel Phase Deviation - - ±0.01/Fs s Inter-channel Phase Deviation - - 0 s Quad-Speed Mode - 192 kHz Passband (Note 3)) to -0.01 dB corner to -3 dB corner 0 0 - - .104 .481 Fs Fs Frequency Response 10 Hz to 20 kHz -0.01 - 0.01 dB StopBand .868 - - Fs StopBand Attenuation (Note 4) 75 - - dB Group Delay - 4.2/Fs - s Intra-channel Phase Deviation - ±0.01/Fs s Inter-channel Phase Deviation - - 0 s |
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