[AK4480]
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”,
SD bit = “0”)
Parameter
Symbol
min
typ
max
Unit
Digital Filter
Passband
PB
0
-
8.1
kHz
Frequency Response
±0.07dB
0
-
8.1
kHz
−3.0dB
-
18.2
-
kHz
Stopband
SB
39.2
-
-
kHz
Passband Ripple
PR
-0.07
-
+0.02
dB
Stopband Attenuation
SA
73
-
-
dB
Group Delay
GD
-
27
-
1/fs
Digital Filter + SCF
Frequency Response: 0
∼
20.0kHz
-5
-
+0.1
dB
SLOW ROLL-OFF FILTER CHARACTERISTICS (fs = 96kHz)
(Ta=25°C; AVDD=VDDL/R=4.75
∼
5.25V, DVDD=4.75
∼
5.25V; Double Speed Mode DEM=OFF; SLOW bit=“1”, SD
bit = “0”)
Parameter
Symbol
min
typ
max
Unit
Digital Filter
Passband
PB
0
-
17.7
kHz
Frequency Response
±0.07dB
0
-
17.7
kHz
−3.0dB
-
39.6
-
kHz
Stopband
SB
85.3
-
-
kHz
Passband Ripple
PR
-0.07
-
+0.02
dB
Stopband Attenuation
SA
73
-
-
dB
Group Delay
GD
-
27
-
1/fs
Digital Filter + SCF
Frequency Response: 0
∼
40.0kHz
-4
-
+0.1
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”, SD
bit = “0”)
Parameter
Symbol
min
typ
max
Unit
Digital Filter
Passband
PB
0
-
35.5
kHz
Frequency Response
±0.07dB
0
-
35.5
kHz
−3.0dB
-
79.1
-
kHz
Stopband
SB
171
-
-
kHz
Passband Ripple
PR
-0.07
-
+0.02
dB
Stopband Attenuation
SA
73
-
-
dB
Group Delay
GD
-
27
-
1/fs
Digital Filter + SCF
Frequency Response: 0
∼
80.0kHz
-5
-
+0.1
dB
Note 14. The passband and stopband frequencies scale with fs. For example, PB=0.185×fs (@±0.04dB), SB=0.888×fs.
MS1146-E-03
-9-
2012/01
AKM [ ASAHI KASEI MICROSYSTEMS ]
