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ASAHI KASEI
[AK4353]
MS0016-E-02
2001/05
- 8 -
FILTER CHARACTERISTICS (fs=44.1kHz)
(Ta=25
°
C; AVDD, DVDD=2.7
~
5.5V; fs=44.1kHz; DEM=OFF)
Parameter
Digital Filter
Passband (Note 7)
Symbol
min
typ
max
Units
-0.02dB
-6.0dB
PB
0
-
22.05
20.0
-
kHz
kHz
kHz
dB
dB
1/fs
Stopband (Note 7)
Passband Ripple
Stopband Attenuation
Group Delay (Note 8)
Digital Filter + Analog Filter
Frequency Response: 0
~
20.0kHz
SB
PR
SA
GD
24.1
±
0.02
54
-
20.1
-
FR
-
±
0.2
-
dB
Note:7. The passband and stopband frequencies scale with fs.
For example, PB=0.4535*fs(@
±
0.02dB), SB=0.546*fs.
8. The calculating delay time which occurred by digital filtering. This time is from setting the 24bit data
of both channels on the input register to the output of analog signal.
FILTER CHARACTERISTICS (fs=96kHz)
(Ta=25
°
C; AVDD, DVDD=2.7
~
5.5V; fs=96kHz; DEM=OFF)
Parameter
Digital Filter
Passband (Note 7)
Symbol
min
typ
max
Units
-0.02dB
-6.0dB
PB
0
-
48.0
43.5
-
kHz
kHz
kHz
dB
dB
1/fs
Stopband (Note 7)
Passband Ripple
Stopband Attenuation
Group Delay (Note 8)
Digital Filter + Analog Filter
Frequency Response: 0
~
20.0kHz
40.0kHz
SB
PR
SA
GD
52.5
±
0.02
54
-
20.1
-
FR
-
-
±
0.2
±
0.2
-
-
dB
dB
Note:7. The passband and stopband frequencies scale with fs.
For example, PB=0.4535*fs(@
±
0.02dB), SB=0.546*fs.
8. The calculating delay time which occurred by digital filtering. This time is from setting the 24bit data of both
channels on the input register to the output of analog signal.