[AK4397]
SHARP 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 bi =“0”)
Parameter
Symbol
min
typ
max
Units
Digital Filter
Passband
±0.01dB
PB
0
20.0
kHz
−6.0dB
-
22.05
-
kHz
Stopband
SB
24.1
kHz
Passband Ripple
PR
±0.005
dB
Stopband Attenuation
SA
75
dB
Group Delay
GD
-
28
-
1/fs
Digital Filter + SCF
Frequency Response : 0
∼
20.0kHz
-
±0.2
-
dB
SHARP 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=“0”)
Parameter
Symbol
min
typ
max
Units
Digital Filter
Passband
±0.01dB
PB
0
43.5
kHz
−6.0dB
-
48.0
-
kHz
Stopband
SB
52.5
kHz
Passband Ripple
PR
±0.005
dB
Stopband Attenuation
SA
75
dB
Group Delay
GD
-
28
-
1/fs
Digital Filter + SCF
Frequency Response : 0
∼
40.0kHz
-
±0.3
-
dB
SHARP 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=“0”)
Parameter
Symbol
min
typ
max
Units
Digital Filter
Passband
±0.01dB
PB
0
87.0
kHz
−6.0dB
-
96.0
-
kHz
Stopband
SB
105
kHz
Passband Ripple
PR
±0.005
dB
Stopband Attenuation
SA
75
dB
Group Delay
GD
-
28
-
1/fs
Digital Filter + SCF
Frequency Response : 0
∼
80.0kHz
-
+0/−1
-
dB
Note 13. The passband and stopband frequencies scale with fs. For example, PB = 0.4535×fs (@±0.01dB), SB =
0.546×fs.
Note 14. The calculating delay time which occurred by digital filtering. This time is from setting the 16/20/24bit data of
both channels to input register to the output of analog signal.
MS0616-E-00
-9-
2007/05
AKM [ ASAHI KASEI MICROSYSTEMS ]
