ASAHI KASEI
[AK4356]
FILTER CHARACTERISTICS (fs=44.1kHz)
(Ta=25°C; AVDD, DVDD=4.75~5.25V; fs=44.1kHz; DFS1 = DFS0 = “0”; DEM=OFF)
Parameter
Symbol
min
typ
Digital Filter
Passband
(Note 12) ±0.01dB
PB
0
-6.0dB
-
22.05
Stopband
(Note 12)
SB
24.1
Passband Ripple
PR
Stopband Attenuation
SA
75
Group Delay
(Note 13)
GD
-
27.2
Digital Filter + SCF
FR
-
Frequency Response:
0~20.0kHz
±0.2
max
20.0
-
±0.005
-
-
Units
kHz
kHz
kHz
dB
dB
1/fs
dB
Note:12. The passband and stopband frequencies scale with fs.
For example, PB=0.4535*fs(@±0.01dB), SB=0.546*fs.
13. The calculating delay time which occurred by digital filtering. This time is from setting the 16/20/24bit data
of both channels on the input register to the output of analog signal.
FILTER CHARACTERISTICS (fs=96kHz)
(Ta=25°C; AVDD, DVDD=4.75~5.25V; fs=96kHz; DFS1 = “0”; DFS0 = “1”; DEM=OFF)
Parameter
Symbol
min
typ
Digital Filter
Passband
(Note 14) ±0.01dB
PB
0
-6.0dB
-
48.0
Stopband
(Note 14)
SB
52.5
Passband Ripple
PR
Stopband Attenuation
SA
75
Group Delay
(Note 13)
GD
-
27.2
Digital Filter + SCF
FR
-
Frequency Response:
0~40.0kHz
±0.3
Note:14. The passband and stopband frequencies scale with fs.
For example, PB=0.4535*fs(@±0.01dB), SB=0.546*fs.
max
43.5
-
±0.005
-
-
Units
kHz
kHz
kHz
dB
dB
1/fs
dB
M0072-E-01
-8-
1999/09
AKM [ ASAHI KASEI MICROSYSTEMS ]
