ASAHI KASEI
[AK5353]
FILTER CHARACTERISTICS (fs=48kHz)
(Ta=25°C; VA,VD=2.7 5.5V; fs=48kHz)
Parameter
Symbol
min
typ
max
Units
Digital Filter (Decimation LPF)
Passband
(Note 10)
PB
0
-
-
18.9
kHz
kHz
kHz
kHz
kHz
dB
±0.1dB
-0.2dB
-1.0dB
-3.0dB
20.0
21.8
23.0
-
-
-
-
Stopband
Stopband Attenuation
(Note 10)
SB
SA
29.4
65
Group Delay Distortion
Group Delay
Digital Filter (HPF)
Frequency Response:
0
17.0
∆GD
GD
µs
1/fs
(Note 11)
-3 dB
-0.5dB
-0.1dB
-
-
FR
-
-
-
4
11
24
-
-
-
Hz
Hz
Hz
Note: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,VD=4.5 5.5V; fs=96kHz)
Parameter
Symbol
min
typ
max
Units
Digital Filter (Decimation LPF)
Passband
(Note 10)
PB
0
-
-
37.8
kHz
kHz
kHz
kHz
kHz
dB
±0.1dB
-0.2dB
-1.0dB
-3.0dB
40.0
43.6
46.0
-
-
-
-
Stopband
Stopband Attenuation
(Note 10)
SB
SA
58.8
65
Group Delay Distortion
Group Delay
Digital Filter (HPF)
Frequency Response:
0
17.0
∆GD
GD
µs
1/fs
(Note 11)
-3 dB
-0.5dB
-0.1dB
-
-
FR
-
-
-
8
22
48
-
-
-
Hz
Hz
Hz
Note: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.
M0067-E-00
1999/06
- 6 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
