5358ET 데이터 시트보기 (PDF) - Asahi Kasei Microdevices
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5358ET Datasheet PDF : 17 Pages
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ASAHI KASEI
[AK5358]
FILTER CHARACTERISTICS (fs=48kHz)
(Ta=-20°C ∼ 85°C; VA=4.5 ∼ 5.5V; VD=2.7 ∼ 3.6V)
Parameter
Symbol
min
typ
ADC Digital Filter (Decimation LPF):
Passband
(Note 8) ±0.1dB
PB
0
−0.2dB
-
20.0
−3.0dB
-
23.0
Stopband
SB
28
Passband Ripple
PR
Stopband Attenuation
SA
68
Group Delay Distortion
∆GD
0
Group Delay
(Note 9)
GD
16
ADC Digital Filter (HPF):
Frequency Response (Note 8) −3dB
FR
1.0
−0.1dB
6.5
max
18.9
-
-
±0.04
Units
kHz
kHz
kHz
kHz
dB
dB
µs
1/fs
Hz
Hz
FILTER CHARACTERISTICS (fs=96kHz)
(Ta=-20°C ∼ 85°C; VA=4.5 ∼ 5.5V; VD=2.7 ∼ 3.6V)
Parameter
Symbol
min
typ
max
Units
ADC Digital Filter (Decimation LPF):
Passband
(Note 8) ±0.1dB
PB
−0.2dB
−3.0dB
0
37.8
kHz
-
40.0
-
kHz
-
46.0
-
kHz
Stopband
SB
56
kHz
Passband Ripple
PR
±0.04
dB
Stopband Attenuation
SA
68
dB
Group Delay Distortion
∆GD
0
µs
Group Delay
(Note 9)
GD
16
1/fs
ADC Digital Filter (HPF):
Frequency Response (Note 8) −3dB
FR
2.0
Hz
−0.1dB
13.0
Hz
Note 8. The passband and stopband frequencies scale with fs.
For example, PB=18.9kHz@±0.1dB is 0.39375 × fs.
Note 9. The calculated delay time induced by digital filtering. This time is from the input of an analog signal to the setting
of 24bit data both channels to the ADC output register for ADC.
MS0438-E-00
-6-
2005/11
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