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CS4382 Datasheet(PDF) 6 Page - Cirrus Logic |
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CS4382 Datasheet(HTML) 6 Page - Cirrus Logic |
6 / 42 page CS4382 6 DS514F1 ANALOG FILTER RESPONSE Notes: 10. Slow Roll-Off interpolation filter is only available in control port mode. 11. Filter response is not tested but is guaranteed by design. 12. Response is clock dependent and will scale with Fs. Note that the response plots (Figures 9 to 32) have been normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs. 13. Single and Double Speed Mode Measurement Bandwidth is from stopband to 3 Fs. Quad Speed Mode Measurement Bandwidth is from stopband to 1.34 Fs. 14. De-emphasis is available only in Single Speed Mode; Only 44.1 kHz De-emphasis is available in Stand- Alone Mode Parameter Fast Roll-Off Slow Roll-Off (Note 10) Unit Min Typ Max Min Typ Max Combined Digital and On-chip Analog Filter Response - Single Speed Mode (Note 11) Passband (Note 12) to -0.01 dB corner to -3 dB corner 0 0 - - .454 .499 0 0 - - 0.417 0.499 Fs Fs Frequency Response 10 Hz to 20 kHz -0.01 - +0.01 -0.01 - +0.01 dB StopBand .547 - - .583 - - Fs StopBand Attenuation (Note 13) 90 - - 64 - - dB Group Delay - 12/Fs - - 6.5/Fs - s Passband Group Delay Deviation 0 - 20 kHz - - ±0.41/Fs - ±0.14/Fs s De-emphasis Error (Note 14) Fs = 32 kHz (Relative to 1 kHz) Fs = 44.1 kHz Fs = 48 kHz - - - - - - ±0.23 ±0.14 ±0.09 - - - - - - ±0.23 ±0.14 ±0.09 dB dB dB Combined Digital and On-chip Analog Filter Response - Double Speed Mode - 96 kHz (Note 11) Passband (Note 12) to -0.01 dB corner to -3 dB corner 0 0 - - .430 .499 0 0 - - .296 .499 Fs Fs Frequency Response 10 Hz to 20 kHz -0.01 - 0.01 -0.01 - 0.01 dB StopBand .583 - - .792 - - Fs StopBand Attenuation (Note 13) 80 - - 70 - - dB Group Delay - 4.6/Fs - - 3.9/Fs - s Passband Group Delay Deviation 0 - 20 kHz - - ±0.03/Fs - ±0.01/Fs s Combined Digital and On-chip Analog Filter Response - Quad Speed Mode - 192 kHz (Note 11) Passband (Note 12) to -0.01 dB corner to -3 dB corner 0 0 - - .105 .490 0 0 - - .104 .481 Fs Fs Frequency Response 10 Hz to 20 kHz -0.01 - 0.01 -0.01 - 0.01 dB StopBand .635 - - .868 - - Fs StopBand Attenuation (Note 13) 90 - - 75 - - dB Group Delay - 4.7/Fs - - 4.2/Fs - s Passband Group Delay Deviation 0 - 20 kHz - - ±0.01/Fs - ±0.01/Fs s Combined Digital and On-chip Analog Filter Response - DSD Mode (Note 11) Passband (Note 12) to -0.1 dB corner to -3 dB corner - - - - - - 0 0 - - 20 120 kHz kHz Frequency Response 10 Hz to 20 kHz - - - -.01 - 0.1 dB |
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