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AK4342 Datasheet(PDF) 10 Page - Asahi Kasei Microsystems |
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AK4342 Datasheet(HTML) 10 Page - Asahi Kasei Microsystems |
10 / 43 page ASAHI KASEI [AK4342] MS0506-E-02 2006/07 - 10 - FILTER CHARACTERISTICS (Ta=25 °C; AVDD, DVDD, HVDD, PVDD=2.7 ∼ 3.6V, TVDD=1.6 ∼ 3.6V; fs=44.1kHz; De-emphasis = “OFF”) Parameter Symbol min typ max Units DAC Digital Filter: Passband ±0.05dB (Note 20) PB 0 - 20.0 kHz −6.0dB - 22.05 - kHz Stopband (Note 20) SB 24.1 - - kHz Passband Ripple PR - - ±0.02 dB Stopband Attenuation SA 54 - - dB Group Delay (Note 21) GD - 21 - 1/fs Group Delay Distortion ∆GD - 0 - µs Digital Filter + Analog Filter: (Note 22) Frequency Response 20.0kHz (fs=44.1kHz) FR - −0.5 - dB 40.0kHz (fs=96kHz) FR - −1.5 - dB Analog Filter: (Note 23) Frequency Response 20.0kHz FR - ±1.0 - dB 40.0kHz FR - ±1.0 - dB Note 20. The passband and stopband frequencies scale with fs. For example, PB=0.4535*fs(@ ±0.05dB), SB=0.546*fs(@−54dB). Note 21. Delay time caused by digital filtering. This time is from setting the 16/20/24bit data of both channels to input register to the output of analog signal. Note 22. DAC HPL/HPR/LOUT/ROUT/LAUX/RAUX Note 23. LIN HPL/LOUT/LAUX, RIN HPR/ROUT/RAUX DC CHARACTERISTICS (Ta=25 °C; AVDD, DVDD, HVDD, PVDD=2.7 ∼ 3.6V; TVDD=1.6 ∼ 3.6V) Parameter Symbol min typ max Units High-Level Input Voltage (2.7V ≤ TVDD ≤ 3.6V) VIH 70 %TVDD - - V (1.6V ≤ TVDD < 2.7V) VIH 80%TVDD - - V Low-Level Input Voltage (2.7V ≤ TVDD ≤ 3.6V) VIL - - 30 %TVDD V (1.6V ≤ TVDD < 2.7V) VIL - - 20 %TVDD V Low-Level Output Voltage (Iout = 3mA) VOL - - 0.4 V Input Leakage Current (Note 24) Iin - - ±10 µA Note 24. Except I2C and CSN/CAD0 pins. These pins have internal pull-up device, nominally 100k Ω. |
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