AK7740ET Datasheet, PDF (43/48 Pages) Asahi Kasei Microsystems – 24bit 2ch ADC + 24bit 4ch DAC with Audio DSP

[ASAHI KASEI]
[AK7740ET]
(8) ADC section high-pass filter
The AK7740 incorporates a digital high-pass filter (HPF) for cancelling DC offset in the ADC section. The HPF
cut-off frequency is 1 Hz (fs = 48 kHz). This cut-off frequency is proportional to the sampling frequency (fs).
Cut-off frequency
48kHz
0.93Hz
44.1kHz
0.86Hz
32kHz
0.62Hz
<Pre-E-01>
- 43 -
2006/10