AK5380 Datasheet, PDF (6/17 Pages) Asahi Kasei Microsystems – 96kHz 24Bit ADC with Single - ended Input

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
Digital Filter (Decimation LPF)
Passband
(Note 10) -0.005dB
PB
0
-0.02dB
-
21.768
-0.06dB
-
22.0
-6.0dB
-
24.0
Stopband
(Note 10)
SB
26.5
Stopband Attenuation
SA
80
Group Delay Distortion
∆GD
0
Group Delay
(Note 11)
GD
-
27.6
Digital Filter (HPF)
Frequency Response:
-3dB
FR
-
1.0
-0.5dB
-0.1dB
-
2.9
-
6.5
max
Units
21.5
kHz
-
kHz
-
kHz
-
kHz
kHz
dB
µs
-
1/fs
-
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
Digital Filter (Decimation LPF)
Passband
(Note 10) -0.005dB
PB
0
-0.02dB
-
43.536
-0.06dB
-
44.0
-6.0dB
-
48.0
Stopband
(Note 10)
SB
53.0
Stopband Attenuation
SA
80
Group Delay Distortion
∆GD
0
Group Delay
(Note 11)
GD
-
27.6
Digital Filter (HPF)
Frequency Response:
-3dB
FR
-
2
-0.5dB
-
5.8
-0.1dB
-
13
max
Units
43.0
kHz
-
kHz
-
kHz
-
kHz
kHz
dB
µs
-
1/fs
-
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
-6-
2001/7