AK4601VQ Datasheet, PDF (24/111 Pages) Asahi Kasei Microsystems – Audio HUB CODEC with Digital Mixer

[AK4601]
2-2 Slow Roll-Off Filter (DASD bit = “0”, DASL bit = “1”)
fs=48kHz
Parameter
SLOW ROLL-OFF
Passband
0.05dB
(Note 32)
3.0dB
Passband Ripple
(Note 28)
Stopband
(Note 32)
Stopband Attenuation (Note 30, Note 31)
Group Delay
(Note 29)
Digital Filter + SCF + SMF (Note 30)
Frequency Response: 0  20.0kHz
Symbol
PB
PB
PR
SB
SA
GD
Min.
0
-0.043
42.7
73
-
-5.0
Typ.
19.8
Max.
8.8
0.043
6.8
-
0.1
fs=96kHz
Parameter
SLOW ROLL-OFF
Passband
0.05dB
(Note 32)
3.0dB
Passband Ripple
(Note 28)
Stopband
(Note 32)
Stopband Attenuation (Note 30, Note 31)
Group Delay
(Note 29)
Digital Filter + SCF + SMF (Note 30)
Frequency Response: 0  40.0kHz
Symbol
PB
PB
PR
SB
SA
GD
Min.
0
-0.043
85.3
73
-
-5.2
Typ.
39.5
Max.
17.7
0.043
6.8
-
0.1
fs=192kHz
Parameter
Symbol
Min.
Typ. Max.
SLOW ROLL-OFF
Passband
0.05dB
PB
0
35.5
(Note 32)
3.0dB
PB
79.0
Passband Ripple
(Note 28)
PR
-0.043
0.043
Stopband
(Note 32)
SB
171
Stopband Attenuation (Note 30, Note 31)
SA
73
Group Delay
(Note 29)
GD
-
6.8
-
Digital Filter + SCF + SMF (Note 30)
Frequency Response: 0  80.0kHz
-5.90
0.1
Note 32. The passband and stopband frequencies are proportional to fs (sampling rate).
“PB=0.185  fs, SB=0.888  fs”
Unit
kHz
kHz
dB
kHz
dB
1/fs
dB
Unit
kHz
kHz
dB
kHz
dB
1/fs
dB
Unit
kHz
kHz
dB
kHz
dB
1/fs
dB
016000391-E-01
- 24 -
2016/12