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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM1811A датащи(PDF) 25 Page - Wolfson Microelectronics plc |
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WM1811A датащи(HTML) 25 Page - Wolfson Microelectronics plc |
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25 / 328 page  Production Data WM1811A w PD, November 2013, Rev 4.1 25 DIGITAL INPUT / OUTPUT Test Conditions The following electrical characteristics are valid across the full range of recommended operating conditions. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Digital Input / Output (except DMICDAT and DMICCLK) Digital I/O is referenced to DBVDD1, DBVDD2 or DBVDD3. See “Pin Description” for the domain applicable to each pin. H16 Input HIGH Level, VIH 0.8 DBVDDn V H17 Input LOW Level, VIL 0.2 DBVDDn V Note that digital input pins should not be left unconnected / floating. H18 Output HIGH Level, VOH IOH=1mA 0.8 DBVDDn V H19 Output LOW Level, VOL IOL=-1mA 0.2 DBVDDn V H20 Input capacitance 10 pF H21 Input leakage -0.9 0.9 A Digital Microphone Input / Output (DMICDAT and DMICCLK) H22 DMICDAT input HIGH Level, VIH 0.65 MICBIAS1 V H23 DMICDAT input LOW Level, VIL 0.35 x MICBIAS1 V H24 DMICCLK output HIGH Level, VOH IOH=1mA 0.8 MICBIAS1 V H25 DMICCLK output LOW Level, VOL IOL=-1mA 0.2 x MICBIAS1 V H26 Input capacitance 10 pF H27 Input leakage -0.9 0.9 A DIGITAL FILTER CHARACTERISTICS Test Conditions The following electrical characteristics are valid across the full range of recommended operating conditions. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT ADC Decimation Filter Passband +/- 0.05dB 0 0.454 fs -6dB 0.5fs Passband Ripple +/- 0.05 dB Stopband 0.546 fs Stopband Attenuation f > 0.546 fs 85 dB Group Delay 2 ms DAC Interpolation Filter Passband +/- 0.05dB 0 0.454 fs -6dB 0.5 fs Passband Ripple 0.454 fs +/- 0.05 dB Stopband 0.546 fs Stopband Attenuation f> 0.546 fs 85 dB Group Delay 2 ms |
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