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AK5385AVF Datasheet(PDF) 9 Page - Asahi Kasei Microsystems |
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AK5385AVF Datasheet(HTML) 9 Page - Asahi Kasei Microsystems |
9 / 24 page ASAHI KASEI [AK5385A] MS0265-E-01 2003/11 - 9 - FILTER CHARACTERISTICS (fs=48kHz) (Ta=25 °C; AVDD=4.75 ∼ 5.25V; DVDD=3.0 ∼ 5.25V; DFS1 = “L”, DFS0 = “L”) Parameter Symbol min typ max Units ADC Digital Filter (Decimation LPF): Passband (Note 8) −0.005dB −0.02dB −0.06dB −6.0dB PB 0 - - - 22.038 22.2 24.0 21.5 - - - kHz kHz kHz kHz Stopband SB 26.5 kHz Passband Ripple PR ±0.005 dB Stopband Attenuation SA 100 dB Group Delay (Note 9) GD 43.2 1/fs Group Delay Distortion ∆GD 0 µs ADC Digital Filter (HPF): Frequency Response (Note 8) −3dB −0.1dB FR 1.0 6.5 Hz Hz FILTER CHARACTERISTICS (fs=96kHz) (Ta=25 °C; AVDD=4.75 ∼ 5.25V; DVDD=3.0 ∼ 5.25V; DFS1 = “L”, DFS0 = “H”) Parameter Symbol min typ max Units ADC Digital Filter (Decimation LPF): Passband (Note 8) −0.005dB −0.02dB −0.06dB −6.0dB PB 0 - - - 44.081 44.5 48.0 43.0 - - - kHz kHz kHz kHz Stopband SB 53.0 kHz Passband Ripple PR ±0.005 dB Stopband Attenuation SA 100 dB Group Delay (Note 9) GD 43.1 1/fs Group Delay Distortion ∆GD 0 µs ADC Digital Filter (HPF): Frequency Response (Note 8) −3dB −0.1dB FR 2.0 13.0 Hz Hz Note 8. The passband and stopband frequencies scale with fs. The reference frequency of these responses is 1kHz. Note 9. The calculated delay time induced by digital filtering. This time is from the input of an analog signal to the setting of 24bit data both channels to the ADC output register for ADC. |
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