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AK4621 Datasheet(PDF) 11 Page - Asahi Kasei Microsystems |
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AK4621 Datasheet(HTML) 11 Page - Asahi Kasei Microsystems |
11 / 41 page [AK4621] MS1258-E-01 2011/01 - 11 - ADC SHORT DELAY SHARP ROLL OFF FILTER CHARACTERISTICS (fs=48kHz) (Ta=25 °C; AVDD=4.75 ∼ 5.25V; DVDD=3.0 ∼ 3.6V, TVDD=DVDD ∼ 5.25V; Normal Speed Mode; SDAD bit = “1”) Parameter Symbol min typ max Units ADC Digital Filter (Decimation LPF): Passband (Note 16) −0.01dB −0.1dB −3.0dB −6.0dB PB 0 - - - - 22.1 23.8 24.4 21.7 - - - kHz kHz kHz kHz Stopband (Note 16) SB 28.2 - - kHz Passband Ripple PR - - ±0.01 dB Stopband Attenuation SA 80 - - dB Group Delay (Note 17) GD - 14 - 1/fs Group Delay Distortion ΔGD - ±0.01 - μs ADC Digital Filter (HPF): Frequency Response (Note 16) −3dB −0.1dB FR - - 1.0 6.5 - - Hz Hz ADC SHORT DELAY SHARP ROLL OFF FILTER CHARACTERISTICS (fs=96kHz) (Ta=25 °C; AVDD=4.75 ∼ 5.25V; DVDD=3.0 ∼ 3.6V, TVDD=DVDD ∼ 5.25V; Double Speed Mode; SDAD bit = “1”) Parameter Symbol min typ max Units ADC Digital Filter (Decimation LPF): Passband (Note 16) −0.01dB −0.1dB −3.0dB −6.0dB PB 0 - - - - 44.2 47.6 48.9 43.3 - - - kHz kHz kHz kHz Stopband (Note 16) SB 55.9 - - kHz Passband Ripple PR - - ±0.01 dB Stopband Attenuation SA 80 - - dB Group Delay (Note 17) GD - 14 - 1/fs Group Delay Distortion ΔGD - ±0.013 - μs ADC Digital Filter (HPF): Frequency Response (Note 16) −3dB −0.1dB FR - - 2.0 13.0 - - Hz Hz ADC SHORT DELAY SHARP ROLL OFF FILTER CHARACTERISTICS (fs=192kHz) (Ta=25 °C; AVDD=4.75 ∼ 5.25V; DVDD=3.0 ∼ 3.6V, TVDD=DVDD ∼ 5.25V; Quad Speed Mode; SDAD bit = “1”) Parameter Symbol min typ max Units ADC Digital Filter (Decimation LPF): Passband (Note 16) −0.01dB −0.1dB −3.0dB −6.0dB PB 0 - - - - 81.1 99.9 106.7 76.1 - - - kHz kHz kHz kHz Stopband (Note 16) SB 141.1 - - kHz Passband Ripple PR - - ±0.01 dB Stopband Attenuation SA 79 - - dB Group Delay (Note 17) GD - 11 - 1/fs Group Delay Distortion ΔGD - 0 - μs ADC Digital Filter (HPF): Frequency Response (Note 16) −3dB −0.1dB FR - - 4.0 26.0 - - Hz Hz |
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