ASAHI KASEI
[AK5380]
FILTER CHARACTERISTICS (fs=48kHz)
(Ta=25°C; VA=4.5∼5.5V; VD=2.7∼5.5V; fs=48kHz)
Parameter
Symbol
Digital Filter (Decimation LPF)
Passband
(Note 10)
-0.005dB
PB
-0.02dB
-0.06dB
-6.0dB
Stopband
(Note 10)
SB
Stopband Attenuation
SA
Group Delay Distortion
∆GD
Group Delay
(Note 11)
GD
Digital Filter (HPF)
Frequency Response:
-3dB
FR
-0.5dB
-0.1dB
min
0
-
-
-
26.5
80
-
-
-
-
typ
max
21.5
-
-
-
Units
kHz
kHz
kHz
kHz
kHz
dB
µs
1/fs
Hz
Hz
Hz
21.768
22.0
24.0
0
27.6
1.0
2.9
6.5
-
-
-
-
Notes:
10. The passband and stopband frequencies scale with fs.
11. The calculating delay time which occurred by digital filtering. This time is from the input of analog signal to setting
the 24bit data of both channels to the output register for ADC.
FILTER CHARACTERISTICS (fs=96kHz)
(Ta=25°C; VA=4.5∼5.5V; VD=4.5∼5.5V; fs=96kHz)
Parameter
Symbol
Digital Filter (Decimation LPF)
Passband
(Note 10)
-0.005dB
PB
-0.02dB
-0.06dB
-6.0dB
Stopband
(Note 10)
SB
Stopband Attenuation
SA
Group Delay Distortion
∆GD
Group Delay
(Note 11)
GD
Digital Filter (HPF)
Frequency Response:
-3dB
FR
-0.5dB
-0.1dB
min
0
-
-
-
53.0
80
-
-
-
-
typ
max
43.0
-
-
-
Units
kHz
kHz
kHz
kHz
kHz
dB
µs
1/fs
Hz
Hz
Hz
43.536
44.0
48.0
0
27.6
2
5.8
13
-
-
-
-
Notes:
10. The passband and stopband frequencies scale with fs.
11. The calculating delay time which occurred by digital filtering. This time is from the input of analog signal to setting
the 24bit data of both channels to the output register for ADC.
MS0100-E-01
-6-
2001/7
AKM [ ASAHI KASEI MICROSYSTEMS ]
