AK7738VQ Datasheet, PDF (26/42 Pages) Asahi Kasei Microsystems – Multi DSP with 5ch ADC + 4ch DAC + 8ch SRC

[AK7738]
2-2 Slow Roll-Off Filter (DASD bit = “0”, DASL bit = “1”)
fs=48kHz
Parameter
SLOW ROLL-OFF
Passband (Note 31)
-0.07dB~ +0.021dB
-3.0dB
Passband Ripple
Stopband
(Note 31)
Stopband Attenuation (Note 33)
Group Delay
(Note 32)
Digital Filter + SCF
Frequency Response : 0Hz  20kHz
Symbol
PB
PB
PR
SB
SA
GD
FR
min
0
-0.07
42.6
72.6
-3.75
fs=96kHz
Parameter
SLOW ROLL-OFF
Passband (Note 31)
-0.07dB~+0.023dB
-3.0dB
Passband Ripple
Stopband
(Note 31)
Stopband Attenuation (Note 33)
Group Delay
(Note 32)
Digital Filter + SCF
Frequency Response : 0Hz  40kHz
Symbol
PB
PB
PR
SB
SA
GD
FR
Min
0
-0.07
85.1
72.6
-4.25
fs=192kHz
Parameter
SLOW ROLL-OFF
Passband (Note 31)
-0.07dB~+0.023dB
-3.0dB
Passband Ripple
Stopband
(Note 31)
Stopband Attenuation (Note 33)
Group Delay
(Note 32)
Digital Filter + SCF
Frequency Response : 0Hz  80kHz
Symbol
PB
PB
PR
SB
SA
GD
FR
min
0
-0.07
170.3
72.6
-5.00
typ
max
Unit
9.0
kHz
19.75
kHz
+0.021
dB
kHz
dB
26.4
1/fs
-2.75
dB
typ
max
Unit
18.1
kHz
39.6
kHz
+0.023
dB
kHz
dB
26.4
1/fs
-2.75
dB
typ
max
Unit
36.1
kHz
79.3
kHz
+0.023
dB
kHz
dB
26.4
1/fs
-3.00
dB
015000122-E-00-PB
- 26 -
2015/01