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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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WM8956 数据表(PDF) 73 Page - Wolfson Microelectronics plc |
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WM8956 数据表(HTML) 73 Page - Wolfson Microelectronics plc |
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73 / 80 page  Preliminary Technical Data WM8956 w PTD, July 2007, Rev 2.1 73 DIGITAL FILTER CHARACTERISTICS PARAMETER TEST CONDITIONS MIN TYP MAX UNIT DAC Normal Filter +/- 0.03dB 0 0.454 fs Passband -6dB 0.5 fs Passband Ripple 0.454 fs +/- 0.03 dB Stopband 0.546 fs Stopband Attenuation f > 0.546 fs -50 dB DAC Sloping Stopband Filter +/- 0.03dB 0 0.25 fs +/- 1dB 0.25 fs 0.454 fs Passband -6dB 0.5 fs Passband Ripple 0.25 fs +/- 0.03 dB Stopband 1 0.546 fs 0.7 fs Stopband 1 Attenuation f > 0.546 fs -60 dB Stopband 2 0.7 fs 1.4 fs Stopband 2 Attenuation f > 0.7 fs -85 dB Stopband 3 1.4 fs Stopband 3 Attenuation f > 1.4 fs -55 dB DAC FILTERS Mode Group Delay Normal 18 / fs Sloping Stopband 18 / fs DAC FILTER RESPONSES DAC STOPBAND ATTENUATION The DAC digital filter type is selected by the DACSLOPE register bit as shown in Table 42. REGISTER ADDRESS BIT LABEL DEFAULT DESCRIPTION R6 (06h) DAC Control (2) 1 DACSLOPE 0 Selects DAC filter characteristics 0 = Normal mode 1 = Sloping stopband mode Table 42 DAC Filter Selection |
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