AKD5353 データシートの表示（PDF） - Asahi Kasei Microdevices
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AKD5353 Datasheet PDF : 17 Pages
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ASAHI KASEI
[AK5353]
FILTER CHARACTERISTICS (fs=48kHz)
(Ta=25°C; VA,VD=2.7∼5.5V; fs=48kHz)
Parameter
Symbol
min
typ
Digital Filter (Decimation LPF)
Passband
(Note 10)
±0.1dB
-0.2dB
-1.0dB
PB
0
-
20.0
-
21.8
-3.0dB
-
23.0
Stopband
(Note 10) SB
29.4
Stopband Attenuation
SA
65
Group Delay Distortion
∆GD
0
Group Delay
(Note 11) GD
-
17.0
Digital Filter (HPF)
Frequency Response:
-3 dB
FR
-
4
-0.5dB
-
11
-0.1dB
-
24
max
Units
18.9
kHz
-
kHz
-
kHz
-
kHz
kHz
dB
µs
-
1/fs
-
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
Digital Filter (Decimation LPF)
Passband
(Note 10)
±0.1dB
-0.2dB
-1.0dB
-3.0dB
PB
0
-
40.0
-
43.6
-
46.0
Stopband
(Note 10) SB
58.8
Stopband Attenuation
SA
65
Group Delay Distortion
∆GD
0
Group Delay
(Note 11) GD
-
17.0
Digital Filter (HPF)
Frequency Response:
-3 dB
FR
-
8
-0.5dB
-
22
-0.1dB
-
48
max
Units
37.8
kHz
-
kHz
-
kHz
-
kHz
kHz
dB
µs
-
1/fs
-
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
-6-
1999/06
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