ASAHI KASEI
[AK5380]
FILTER CHARACTERISTICS (fs=48kHz)
(Ta=25°C; VA=4.5~5.5V; VD=2.7~5.5V; fs=48kHz)
Parameter
Symbol
min
typ
max
Units
Digital Filter (Decimation LPF)
Passband
(Note 10)
-0.005dB
-0.02dB
-0.06dB
-6.0dB
PB
0
-
-
21.5
kHz
kHz
kHz
kHz
kHz
dB
21.768
22.0
24.0
-
-
-
-
Stopband
(Note 10)
SB
SA
DGD
GD
26.5
80
Stopband Attenuation
Group Delay Distortion
Group Delay
0
27.6
ms
1/fs
(Note 11)
-
-
Digital Filter (HPF)
Frequency Response:
-3dB
-0.5dB
-0.1dB
FR
-
-
-
1.0
2.9
6.5
-
-
-
Hz
Hz
Hz
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
min
typ
max
Units
Digital Filter (Decimation LPF)
Passband
(Note 10)
-0.005dB
-0.02dB
-0.06dB
-6.0dB
PB
0
-
-
43.0
kHz
kHz
kHz
kHz
kHz
dB
43.536
44.0
48.0
-
-
-
-
Stopband
(Note 10)
SB
SA
DGD
GD
53.0
80
Stopband Attenuation
Group Delay Distortion
Group Delay
0
27.6
ms
1/fs
(Note 11)
-
-
Digital Filter (HPF)
Frequency Response:
-3dB
-0.5dB
-0.1dB
FR
-
-
-
2
5.8
13
-
-
-
Hz
Hz
Hz
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
2001/7
- 6 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
