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CS4354 датащи(PDF) 7 Page - Cirrus Logic |
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CS4354 датащи(HTML) 7 Page - Cirrus Logic |
7 / 25 page DS895A2 7 CS4354 COMBINED DIGITAL AND ON-CHIP ANALOG FILTER CHARACTERISTICS 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. Reference level (0 dB) is set at 997 Hz. (Note 11) Notes: 8. Response is clock-dependent and will scale with Fs. 9. For Single- and 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. 10. De-emphasis is available only in Single-Speed Mode. 11. Amplitude vs. frequency plots of this data are available in “Combined Digital and On-chip Analog Filter Response Plots” on page 19. Parameter Min Typ Max Unit Single-Speed Mode - 48 kHz Passband (Note 8) to -0.05 dB corner to -3 dB corner 1.796•10-4 1.947•10-5 - - 0.470 0.500 Fs Fs Frequency Response 20 Hz to 20 kHz -0.05 - +0.05 dB StopBand 0.550 - - Fs StopBand Attenuation (Note 9) 80 dB - - dB High Pass Filter Settling Time (input signal goes to 95% of its final value) - 2.452•104/Fs - s Total Group Delay - 9.4/Fs - s De-emphasis Error (Note 10)(Relative to 1 kHz) Fs = 44.1 kHz - - ±0.14 dB Double-Speed Mode - 96 kHz Passband (Note 8) to -0.05 dB corner to -3 dB corner 8.980•10-5 9.736•10-6 - - 0.290 0.500 Fs Fs Frequency Response 20 Hz to 20 kHz -0.05 - +0.05 dB StopBand 0.583 - - Fs StopBand Attenuation (Note 9) 82 dB - - dB High Pass Filter Settling Time (input signal goes to 95% of its final value) - 4.903•104/Fs - s Total Group Delay - 7.0/Fs - s Quad-Speed Mode - 192 kHz Passband (Note 8) to -0.05 dB corner to -3 dB corner 4.490•10-5 4.868•10-6 - - 0.253 0.486 Fs Fs Frequency Response 20 Hz to 20 kHz -0.05 - +0.05 dB StopBand 0.630 - - Fs StopBand Attenuation (Note 9) 85 dB - - dB High Pass Filter Settling Time (input signal goes to 95% of its final value) - 9.807•104/Fs - s Total Group Delay - 4.9/Fs - s |
Аналогичный номер детали - CS4354 |
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Аналогичное описание - CS4354 |
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