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AK4626A Datasheet(PDF) 10 Page - Asahi Kasei Microsystems |
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AK4626A Datasheet(HTML) 10 Page - Asahi Kasei Microsystems |
10 / 40 page ASAHI KASEI [AK4626A] MS0397-E-00 2005/06 - 10 - FILTER CHARACTERISTICS (Ta=25 °C; AVDD, DVDD=4.5∼5.5V; TVDD=2.7∼5.5V; fs=48kHz) Parameter Symbol min typ max Units ADC Digital Filter (Decimation LPF): Passband (Note 14) ±0.1dB -0.2dB -3.0dB PB 0 - - 20.0 23.0 18.9 - - kHz kHz kHz Stopband SB 28 kHz Passband Ripple PR ±0.04 dB Stopband Attenuation SA 68 dB Group Delay (Note 15) GD 16 1/fs Group Delay Distortion ∆GD 0 µs ADC Digital Filter (HPF): Frequency Response (Note 14) -3dB -0.1dB FR 1.0 6.5 Hz Hz DAC Digital Filter: Passband (Note 14) -0.1dB -6.0dB PB 0 - 24.0 21.8 - kHz kHz Stopband SB 26.2 kHz Passband Ripple PR ±0.02 dB Stopband Attenuation SA 54 dB Group Delay (Note 15) GD 19.2 1/fs DAC Digital Filter + Analog Filter: Frequency Response: 0 ∼ 20.0kHz 40.0kHz (Note 16) 80.0kHz (Note 16) FR FR FR ±0.2 ±0.3 ±1.0 dB dB dB Notes: 14. The passband and stopband frequencies scale with fs. For example, 21.8kHz at –0.1dB is 0.454 x fs. 15. The calculating delay time which occurred by digital filtering. This time is from setting the input of analog signal to setting the 24bit data of both channels to the output register for ADC. For DAC, this time is from setting the 20/24bit data of both channels on input register to the output of analog signal. 16. 40.0kHz; fs=96kHz , 80.0kHz; fs=192kHz. DC CHARACTERISTICS (Ta=25 °C; AVDD, DVDD=4.5∼5.5V; TVDD=2.7∼5.5V) Parameter Symbol min typ max Units High-Level Input Voltage Low-Level Input Voltage VIH VIL 2.2 - - - - 0.8 V V High-Level Output Voltage (SDTO, LRCK, BICK pin: Iout=-100µA) (DZF1, DZF2/OVF pins: Iout=-100µA) Low-Level Output Voltage (SDTO, DZF1, DZF2/OVF pins: Iout= 100µA) (SDA, LRCK, BICK pin: Iout= 3mA) VOH VOH VOL VOL TVDD-0.5 AVDD-0.5 - - - - - - - - 0.5 0.4 V V V V Input Leakage Current (Note 17) Iin - - ±10 µA Note 17: TST2 pin has an internal pull-down device, nominally 100kohm. |
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