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AK5354VT Datasheet(PDF) 5 Page - Asahi Kasei Microsystems |
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AK5354VT Datasheet(HTML) 5 Page - Asahi Kasei Microsystems |
5 / 19 page ASAHI KASEI [AK5354] MS0054-E-01 2001/01 - 5 - FILTER CHARACTERISTICS (Ta=25 °C; VA=2.1 ∼ 3.3V, VD=1.8 ∼ 3.3; fs=44.1kHz) Parameter Symbol min typ max Units ADC Digital Filter (Decimation LPF): Passband (Note 5) ±0.1dB -1.0dB -3.0dB PB 0 20.0 21.1 17.4 kHz kHz kHz Stopband (Note 5) SB 27.0 kHz Passband Ripple PR ±0.1 dB Stopband Attenuation SA 65 dB Group Delay (Note 6) GD 17.0 1/fs Group Delay Distortion ∆GD 0 µs ADC Digital Filter (HPF): Frequency Response (Note 5) -3dB -0.5dB -0.1dB FR 3.4 10 22 Hz Hz Hz Note:5. The passband and stopband frequencies scale with fs (sampling frequency). For examples, PB=0.454 x fs(@ADC: -1.0dB), PB=0.454 x fs(@DAC: -0.1dB). Note: 6. The calculating delay time which occurred by digital filtering. This time is from the input of analog signal to setting the 20bit data of both channels to the output register for ADC and include group delay of HPF. DC CHARACTERISTICS (Ta=25 °C; VA=2.1 ∼ 3.3V, VD=1.8 ∼ 3.3V) Parameter Symbol min Typ max Units High-Level Input Voltage Low-Level Input Voltage VIH VIL 75 %VD - - - - 25 %VD V V High-Level Output Voltage (Iout=-80 µA) Low-Level Output Voltage (Iout=80 µA) VOH VOL VD-0.4 - -- 0.4 V V Input Leakage Current Iin - - ± 10 µA |
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