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AK5554VN Datenblatt(PDF) 14 Page - Asahi Kasei Microsystems |
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AK5554VN Datenblatt(HTML) 14 Page - Asahi Kasei Microsystems |
14 / 68 page [AK5554] 015099864-E-00 2016/03 - 14 - ■ ADC Filter Characteristics (fs= 192 kHz) (Ta= 40 - +105 C; AVDD= 4.5-5.5 V, TVDD=1.7-1.98 V (LDOE pin=“L”) or 3.0-3.6 V (LDOE pin=“H”), VDD18= 1.7-1.98 V (LDOE pin= “L”)) Parameter Symbol Min. Typ. Max. Unit Digital Filter (Decimation LPF): SHARP ROLL-OFF (Figure 11) (SD pin= “L”, SLOW pin=“L”) Passband (Note 13) +0.001/ 0.037 dB 6.0 dB PB 0 - - 100.2 83.7 - kHz kHz Stopband (Note 13) SB 122.9 - - kHz Stopband Attenuation SA 85 - - dB Group Delay Distortion 0 - 40.0 kHz GD - 0 - 1/fs Group Delay (Note 14) GD - 15 - 1/fs Digital Filter (Decimation LPF): SLOW ROLL-OFF (Figure 12) (SD pin= “L”, SLOW pin=“H”) Passband (Note 13) +0.001/ 0.1 dB 6.0 dB PB 0 - 75.2 31.5 - kHz kHz Stopband (Note 13) SB 146 - - kHz Stopband Attenuation SA 85 - - dB Group Delay Distortion 0 - 40.0 kHz GD - 0 - 1/fs Group Delay (Note 14) GD - 8 - 1/fs Digital Filter (Decimation LPF): SHORT DELAY SHARP ROLL-OFF FILTER (Figure 13) (SD pin= “H”, SLOW pin=“L”) Passband (Note 13) +0.001/ 0.037 dB PB 0 - 83.7 kHz 6.0 dB - 100.2 - kHz Stopband (Note 13) SB 122.9 - - kHz Stopband Attenuation SA 85 - dB Group Delay Distortion 0 - 40.0 kHz GD - - 0.3 1/fs Group Delay (Note 14) GD - 6 - 1/fs Digital Filter (Decimation LPF): SHORT DELAY SLOW ROLL-OFF FILTER (Figure 14) (SD pin= “H”, SLOW pin=“H”) Passband (Note 13) +0.001/ 0.1 dB PB 0 - 31.5 kHz 6.0 dB - 75.2 - kHz Stopband (Note 13) SB 146 - - kHz Stopband Attenuation SA 85 - - dB Group Delay Distortion 0 - 40.0 kHz GD - - 0.4 1/fs Group Delay (Note 14) GD - 6 - 1/fs Digital Filter (HPF): Frequency Response (Note 13) 3.0 dB 0.5 dB 0.1 dB FR - - - 1.0 2.5 6.5 - - - Hz Hz Hz Note 13. The passband and stopband frequencies scale with fs. For example, PB (+0.001dB/ 0.037dB) =0.436 fs (SHARP ROLL-OFF). For example, PB (+0.001dB/ 0.1dB) =0.164 fs (SLOW ROLL-OFF). Note 14. The calculated delay time induced by digital filtering. This time is from the input of an analog signal to the L channel MSB output timing of the SDTO. It may have an error of +1[1/fs] at maximum when outputting data via audio interfaces. |
Ähnliche Teilenummer - AK5554VN_16 |
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Ähnliche Beschreibung - AK5554VN_16 |
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