AK4394 データシートの表示（PDF） - Asahi Kasei Microdevices
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AK4394 Datasheet PDF : 26 Pages
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ASAHI KASEI
[AK4394]
SLOW ROLL-OFF FILTER CHARACTERISTICS (fs = 44.1kHz)
(Ta = 25°C; AVDD, DVDD = 4.75~5.25V; fs = 44.1kHz; Normal Speed Mode; DEM = OFF; SLOW = “1”)
Parameter
Symbol
min
typ
max
Units
Digital Filter
Passband
±0.04dB (Note 16)
PB
-3.0dB
0
8.1
kHz
-
18.2
-
kHz
Stopband
(Note 16)
SB
39.2
Passband Ripple
PR
Stopband Attenuation
SA
72
Group Delay
(Note 15)
GD
-
kHz
± 0.005
dB
dB
28
-
1/fs
Digital Filter + SCF
Frequency Response 0 ~ 20.0kHz
-
+0/-5
-
dB
Note: 16. The passband and stopband frequencies scale with fs.
For example, PB = 0.185×fs (@±0.04dB), SB = 0.888×fs.
SLOW ROLL-OFF FILTER CHARACTERISTICS (fs = 96kHz)
(Ta = 25°C; AVDD, DVDD = 4.75~5.25V; fs = 96kHz; Double Speed Mode; DEM = OFF; SLOW = “1”)
Parameter
Symbol
min
typ
max
Digital Filter
Passband
±0.04dB (Note 16)
PB
-3.0dB
Stopband
(Note 16)
SB
Passband Ripple
PR
Stopband Attenuation
SA
0
17.7
-
39.6
-
85.3
± 0.005
72
Group Delay
(Note 15)
GD
-
28
-
Digital Filter + SCF
Frequency Response 0 ~ 40.0kHz
-
+0/-4
-
Units
kHz
kHz
kHz
dB
dB
1/fs
dB
SLOW ROLL-OFF FILTER CHARACTERISTICS (fs = 192kHz)
(Ta = 25°C; AVDD, DVDD = 4.75~5.25V; fs = 192kHz; Quad Speed Mode; DEM = OFF; SLOW = “1”)
Parameter
Symbol
min
typ
max
Digital Filter
Passband
±0.04dB (Note 16)
PB
-3.0dB
0
35.5
-
79.1
-
Stopband
(Note 16)
SB
171
Passband Ripple
PR
Stopband Attenuation
SA
72
Group Delay
(Note 15)
GD
-
± 0.005
28
-
Digital Filter + SCF
Frequency Response 0 ~ 80.0kHz
-
+0/-5
-
Units
kHz
kHz
kHz
dB
dB
1/fs
dB
M0081-E-00
-7-
1999/11
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