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CS4361-CZZ Datasheet(PDF) 7 Page - Cirrus Logic |
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CS4361-CZZ Datasheet(HTML) 7 Page - Cirrus Logic |
7 / 24 page 7 CS4361 Confidential Draft 2/12/08 COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE The filter characteristics have been normalized to the sample rate (Fs) and can be referenced to the desired sam- ple rate by multiplying the given characteristic by Fs. (See Note 5) 2. Response is clock-dependent and will scale with Fs. 3. For Single-Speed Mode, the measurement bandwidth is 0.5465 Fs to 3 Fs. For Double-Speed Mode, the measurement bandwidth is 0.577 Fs to 1.4 Fs. For Quad-Speed Mode, the measurement bandwidth is 0.7 Fs to 1 Fs. 4. De-emphasis is available only in Single-Speed Mode. 5. Amplitude vs. Frequency plots of this data are available in “Performance Plots” on page 18. Parameter Symbol Min Typ Max Unit Single-Speed Mode Passband (Note 2) to -0.05 dB corner to -3 dB corner 0 0 - - .4780 .4996 Fs Fs Frequency Response 10 Hz to 20 kHz -.01 - +.08 dB StopBand .5465 - - Fs StopBand Attenuation (Note 3) 50 - - dB Group Delay tgd - 10/Fs - s De-emphasis Error (Note 4) Fs = 44.1 kHz - - +.05/-.25 dB Double-Speed Mode Passband (Note 2) to -0.1 dB corner to -3 dB corner 0 0 - - .4650 .4982 Fs Fs Frequency Response 10 Hz to 20 kHz -.05 - +.2 dB StopBand .5770 - - Fs StopBand Attenuation (Note 3) 55 - - dB Group Delay tgd - 5/Fs - s Quad-Speed Mode Passband (Note 2) to -0.1 dB corner to -3 dB corner 0 0 - - 0.397 0.476 Fs Fs Frequency Response 10 Hz to 20 kHz 0 - +0.00004 dB StopBand 0.7 - - Fs StopBand Attenuation (Note 3) 51 - - dB Group Delay tgd - 2.5/Fs - s |
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