AK4397 Просмотр технического описания (PDF) - Asahi Kasei Microdevices
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AK4397 Datasheet PDF : 37 Pages
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[AK4397]
SLOW ROLL-OFF FILTER CHARACTERISTICS (fs = 44.1kHz)
(Ta=25°C; AVDD=VDDL/R=4.75 ∼ 5.25V, DVDD=4.75 ∼ 5.25V; Normal Speed Mode; DEM=OFF; SLOW bit=“1”)
Parameter
Symbol
min
typ
max
Units
Digital Filter
Passband
(Note 15) ±0.04dB
PB
−3.0dB
0
8.1
kHz
-
18.2
-
kHz
Stopband
(Note 15)
SB
39.2
kHz
Passband Ripple
PR
±0.005
dB
Stopband Attenuation
SA
72
dB
Group Delay
(Note 14)
GD
-
28
-
1/fs
Digital Filter + SCF
Frequency Response: 0 ∼ 20.0kHz
-
+0/−5
-
dB
SLOW ROLL-OFF FILTER CHARACTERISTICS (fs = 96kHz)
(Ta=25°C; AVDD=VDDL/R=4.75 ∼ 5.25V, DVDD=4.75 ∼ 5.25V; DEM=OFF; SLOW bit=“1”)
Parameter
Symbol
min
typ
max
Digital Filter
Passband
(Note 15) ±0.04dB
PB
−3.0dB
0
17.7
-
39.6
-
Stopband
(Note 15)
SB
85.3
Passband Ripple
PR
±0.005
Stopband Attenuation
SA
72
Group Delay
(Note 14)
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=VDDL/R=4.75 ∼ 5.25V, DVDD=4.75 ∼ 5.25V; Quad Speed Mode; DEM=OFF; SLOW bit=“1”)
Parameter
Symbol
min
typ
max
Units
Digital Filter
Passband
(Note 15) ±0.04dB
PB
−3.0dB
0
35.5
kHz
-
79.1
-
kHz
Stopband
(Note 15)
SB
171
kHz
Passband Ripple
PR
±0.005
dB
Stopband Attenuation
SA
72
dB
Group Delay
(Note 14)
GD
-
28
-
1/fs
Digital Filter + SCF
Frequency Response: 0 ∼ 80.0kHz
-
+0/−5
-
dB
Note 15. The passband and stopband frequencies scale with fs. For example, PB = 0.185×fs (@±0.04dB), SB = 0.888×fs.
MS0616-E-00
- 10 -
2007/05
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