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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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WM8593 데이터시트(PDF) 24 Page - Wolfson Microelectronics plc |
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WM8593 데이터시트(HTML) 24 Page - Wolfson Microelectronics plc |
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24 / 98 page  WM8593 Product Preview w PP Rev 1.0 January 2007 24 In slave clocking mode the WM8593 has a master detection circuit that automatically determines the relationship between the master clock frequency (ADCMCLK, DACMCLK1, DACMCLK2) and the sampling rate (ADCLRCLK, DACLRCLK1, DACLRCLK2), to within +/- 32 system clock periods. The master clocks must be synchronised with the left/right clocks, although the device is tolerant of phase variations or jitter on the master clocks. The ADC supports master clock to sampling clock ratios of 256fs to 768fs and sampling rates of 32kHz to 96kHz, provided the internal signal processing of the ADC is programmed to operate at the correct rate. The DACs support master clock to sampling clock ratios of 128fs to 1152fs and sampling rates of 32kHz to 192kHz, provided the internal signal processing of the DACs is programmed to operate at the correct rate. Table 13 shows typical master clock frequencies and sampling rates supported by the WM8593 ADC. Table 14 shows typical master clock frequencies and sampling rates supported by the WM8593 DACs. MASTER CLOCK FREQUENCY (MHZ) Sampling Rate (ADCLRCLK) 256fs 384fs 512fs 768fs 32kHz 8.192 12.288 16.384 24.576 44.1kHz 11.2896 16.9344 22.5792 33.8688 48kHz 12.288 18.432 24.576 36.864 88.2kHz 22.5792 33.8688 Unavailable Unavailable 96kHz 24.576 Unavailable Unavailable Unavailable Table 13 ADC Master Clock Frequency Versus Sampling Rate MASTER CLOCK FREQUENCY (MHZ) Sampling Rate (DACLRCLK1 DACLRCLK2) 128fs 192fs 256fs 384fs 512fs 768fs 1152fs 32kHz Unavailable Unavailable 8.192 12.288 16.384 24.576 36.864 44.1kHz Unavailable 8.4672 11.2896 16.9344 22.5792 33.8688 Unavailable 48kHz Unavailable 9.216 12.288 18.432 24.576 36.864 Unavailable 88.2kHz 11.2896 16.9344 22.5792 33.8688 Unavailable Unavailable Unavailable 96kHz 12.288 18.432 24.576 36.864 Unavailable Unavailable Unavailable 176.4kHz 22.5792 33.8688 Unavailable Unavailable Unavailable Unavailable Unavailable 192kHz 24.576 36.864 Unavailable Unavailable Unavailable Unavailable Unavailable Table 14 DAC Master Clock Frequency Versus Sampling Rate |
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