AKD5381 데이터 시트보기 (PDF) - Asahi Kasei Microdevices
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AKD5381 Datasheet PDF : 20 Pages
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ASAHI KASEI
[AK5381]
FILTER CHARACTERISTICS (fs=48kHz)
(Ta=Tmin ∼ Tmax; VA=4.5 ∼ 5.5V; VD=2.7 ∼ 5.5V)
Parameter
Symbol
min
typ
ADC Digital Filter (Decimation LPF):
Passband
(Note 7) ±0.005dB
PB
±0.02dB
0
-
21.768
−0.06dB
-
22.0
−6.0dB
-
24.0
Stopband
SB
26.5
Passband Ripple
PR
Stopband Attenuation
SA
80
Group Delay Distortion
∆GD
0
Group Delay
(Note 8)
GD
27.6
ADC Digital Filter (HPF):
Frequency Response (Note 7) −3dB
FR
1.0
−0.5dB
2.9
−0.1dB
6.5
max
21.5
-
-
-
±0.005
Units
kHz
kHz
kHz
kHz
kHz
dB
dB
µs
1/fs
Hz
Hz
Hz
FILTER CHARACTERISTICS (fs=96kHz)
(Ta=Tmin ∼ Tmax; VA=4.5 ∼ 5.5V; VD=3.0 ∼ 5.5V)
Parameter
Symbol
min
typ
ADC Digital Filter (Decimation LPF):
Passband
(Note 7) ±0.005dB
PB
±0.02dB
−0.06dB
0
-
43.536
-
44.0
−6.0dB
-
48.0
Stopband
SB
53.0
Passband Ripple
PR
Stopband Attenuation
SA
80
Group Delay Distortion
∆GD
0
Group Delay
(Note 8)
GD
27.6
ADC Digital Filter (HPF):
Frequency Response (Note 7) −3dB
FR
2.0
−0.5dB
5.8
−0.1dB
13.0
max
43.0
-
-
-
±0.005
Units
kHz
kHz
kHz
kHz
kHz
dB
dB
µs
1/fs
Hz
Hz
Hz
Note 7. The passband and stopband frequencies scale with fs. The reference frequency of these responses is 1kHz.
Note 8. 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.
MS0200-E-02
-6-
2006/01
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