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CS42L50 데이터시트(PDF) 9 Page - Cirrus Logic |
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CS42L50 데이터시트(HTML) 9 Page - Cirrus Logic |
9 / 48 page CS42L50 DS544PP1 9 ANALOG OUTPUT CHARACTERISTICS (Continued) Notes: 7. See Section 4.2.7 for details. 8. Filter response is not tested but is guaranteed by design. 9. Response is clock dependent and will scale with Fs. Note that the response plots (Figures 14 through 21) have been normalized to Fs and can be de-normalized by multiplying the X-axis scale by Fs. 10. Referenced to a 1 kHz, full-scale sine wave. 11. 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. 12. De-emphasis is not available in Double Speed Mode. Parameters Symbol Min Typ Max Units Analog Output Full Scale Line Output Voltage (Note 7) VFS_LINE TBD G x VA TBD Vpp Line Output Quiescent Voltage VQ_LINE - 0.5 x VA_LINE - VDC Full Scale Headphone Output Voltage VFS_HP TBD 0.55 x VA TBD Vpp Headphone Output Quiescent Voltage VQ_HP - 0.5 x VA_HP - VDC Interchannel Gain Mismatch - 0.1 - dB Gain Drift - 100 - ppm/°C Maximum Line Output AC-Current VA=1.8 V VA=3.0 V ILINE - - 0.1 0.15 - - mA mA Maximum Headphone Output VA=VA_HP=1.8 V AC-Current VA=VA_HP=3.0 V IHP - - 31 52 - - mA mA Parameter Single Speed Mode Double Speed Mode Symbol Min Typ Max Min Typ Max Unit Combined Digital and On-chip Analog Filter Response (Note 8) Passband (Note 9) to -0.05 dB corner to -0.1 dB corner to -3 dB corner 0 - 0 - - - .4535 - .4998 - 0 0 - - - - .4426 .4984 Fs Fs Fs Frequency Response 10 Hz to 20 kHz (Note 10) -.02 - +.08 0 - +0.11 dB StopBand .5465 - - .577 - - Fs StopBand Attenuation (Note 11) 50 - - 55 - - dB Group Delay tgd - 9/Fs - - 4/Fs - s Passband Group Delay Deviation 0 - 40 kHz 0 - 20 kHz - - - ±0.36/Fs - - - - ±1.39/Fs ±0.23/Fs - - s s De-emphasis Error Fs = 32 kHz (Relative to 1 kHz) Fs = 44.1 kHz Fs = 48 kHz - - - - - - +.2/-.1 +.05/-.14 +0/-.22 (Note 12) dB dB dB |
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