[AK4127]
FILTER CHARACTERISTICS
(Ta=25°C; AVDD, DVDD=3.0
∼
3.6V)
Parameter
Digital Filter
Passband
−0.01dB
0.985
≤
FSO/FSI
≤
6.000
0.905
≤
FSO/FSI
<
0.985
0.714
≤
FSO/FSI
<
0.905
0.656
≤
FSO/FSI
<
0.714
0.536
≤
FSO/FSI
<
0.656
0.492
≤
FSO/FSI
<
0.536
0.452
≤
FSO/FSI
<
0.492
0.357
≤
FSO/FSI
<
0.452
0.324
≤
FSO/FSI
<
0.357
0.246
≤
FSO/FSI
<
0.324
0.226
≤
FSO/FSI
<
0.246
0.1667
≤
FSO/FSI
<
0.226
Stopband
0.985
≤
FSO/FSI
≤
6.000
0.905
≤
FSO/FSI
<
0.985
0.714
≤
FSO/FSI
<
0.905
0.656
≤
FSO/FSI
<
0.714
0.536
≤
FSO/FSI
<
0.656
0.492
≤
FSO/FSI
<
0.536
0.452
≤
FSO/FSI
<
0.492
0.357
≤
FSO/FSI
<
0.452
0.324
≤
FSO/FSI
<
0.357
0.246
≤
FSO/FSI
<
0.324
0.226
≤
FSO/FSI
<
0.246
0.1667
≤
FSO/FSI
<
0.226
Passband Ripple
Stopband
0.985
≤
FSO/FSI
≤
6.000
Attenuation
0.905
≤
FSO/FSI
<
0.985
0.714
≤
FSO/FSI
<
0.905
0.656
≤
FSO/FSI
<
0.714
0.536
≤
FSO/FSI
<
0.656
0.492
≤
FSO/FSI
<
0.536
0.452
≤
FSO/FSI
<
0.492
0.357
≤
FSO/FSI
<
0.452
0.324
≤
FSO/FSI
<
0.357
0.246
≤
FSO/FSI
<
0.324
0.226
≤
FSO/FSI
<
0.246
0.1667
≤
FSO/FSI
<
0.226
Group Delay
Symbol
PB
PB
PB
PB
PB
PB
PB
PB
PB
PB
PB
PB
SB
SB
SB
SB
SB
SB
SB
SB
SB
SB
SB
SB
PR
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
SA
GD
min
0
0
0
0
0
0
0
0
0
0
0
0
0.5417FSI
0.5021FSI
0.3965FSI
0.3643FSI
0.2974FSI
0.2813FSI
0.2604FSI
0.2116FSI
0.1969FSI
0.1573FSI
0.1471FSI
0.1020FSI
121.2
121.4
115.3
116.9
114.6
100.2
103.3
102.0
103.6
104.0
103.3
73.2
-
typ
max
0.4583FSI
0.4167FSI
0.3195FSI
0.2852FSI
0.2182FSI
0.2177FSI
0.1948FSI
0.1458FSI
0.1302FSI
0.0917FSI
0.0826FSI
0.0583FSI
Units
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
1/fs
±0.01
56
-
Note 6. This delay is the a period from the rising edge of ILRCK, just after the data is input, to the rising edge of OLRCK,
just after the data is output, when there is no phase difference between ILRCK and OLRCK.
MS0593-E-01
-8-
2007/07
AKM [ ASAHI KASEI MICROSYSTEMS ]
