[AK4490]
■ Short Delay Sharp Roll-Off Filter Characteristics (fs=44.1kHz)
(Ta=25C; AVDD=DVDD=3.0~3.6V, VREFHL/R=VDDL/R=4.75 7.2V; Normal Speed Mode;
DEM=OFF; SD bit=“1” or SD pin = “H”, SLOW bit=“0” or SLOW pin = “L”)
Parameter
Digital Filter
Passband
Symbol
min
typ
max
Unit
(Note 13) 0.01dB
6.0dB
PB
0
-
24.1
20.0
-
kHz
kHz
kHz
dB
dB
1/fs
22.05
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
(Note 13)
SB
PR
SA
GD
0.005
100
-
(Note 14)
6.25
-
Digital Filter + SCF
Frequency Response : 0 20.0kHz
-
-0.1/-0.2
-
dB
■ Short Delay Sharp Roll-Off Filter Characteristics (fs=96kHz)
(Ta=25C; AVDD=DVDD=3.0~3.6V, VREFHL/R=VDDL/R=4.75 7.2V; Double Speed Mode;
DEM=OFF; SD bit=“1” or SD pin = “H”, SLOW bit=“0” or SLOW pin = “L”)
Parameter
Digital Filter
Passband
Symbol
min
typ
max
Unit
(Note 13) 0.01dB
6.0dB
PB
0
-
52.5
43.5
-
kHz
kHz
kHz
dB
dB
1/fs
48.0
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
(Note 13)
SB
PR
SA
GD
0.005
100
-
(Note 14)
5.63
-
Digital Filter + SCF
Frequency Response : 0 40.0kHz
-
+0.1/-0.6
-
dB
■ Short Delay Sharp Roll-Off Filter Characteristics (fs=192kHz)
(Ta=25C; AVDD=DVDD=3.0~3.6V, VREFHL/R=VDDL/R=4.75 7.2V; Quad Speed Mode; DEM=OFF;
SD bit=“1” or SD pin = “H”, SLOW bit=“0” or SLOW pin = “L”)
Parameter
Digital Filter
Passband
Symbol
min
typ
max
Unit
(Note 13) 0.01dB
6.0dB
PB
0
-
105
87.0
-
kHz
kHz
kHz
dB
dB
1/fs
96.0
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
(Note 13)
SB
PR
SA
GD
0.005
92
-
(Note 14)
5.63
-
Digital Filter + SCF
Frequency Response : 0 80.0kHz
-
+0.1/-2.0
-
dB
MS1648-E-03
2014/11
- 13 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
