[AK4127]
FILTER CHARACTERISTICS
(Ta=25°C; AVDD, DVDD=3.0 ∼ 3.6V)
Parameter
Symbol
min
typ
max
Units
Digital Filter
Passband −0.01dB
0.985 ≤ FSO/FSI ≤ 6.000
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
0
0
0
0
0
0
0
0
0
0
0
0
0.4583FSI
0.4167FSI
0.3195FSI
0.2852FSI
0.2182FSI
0.2177FSI
0.1948FSI
0.1458FSI
0.1302FSI
0.0917FSI
0.0826FSI
0.0583FSI
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
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
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
0.5417FSI
0.5021FSI
0.3965FSI
0.3643FSI
0.2974FSI
0.2813FSI
0.2604FSI
0.2116FSI
0.1969FSI
0.1573FSI
0.1471FSI
0.1020FSI
Passband Ripple
Stopband
Attenuation
±0.01
0.985 ≤ FSO/FSI ≤ 6.000
0.905 ≤ FSO/FSI < 0.985
0.714 ≤ FSO/FSI < 0.905
121.2
121.4
115.3
dB
dB
dB
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
(Note 6)
SA
SA
SA
SA
SA
SA
SA
SA
SA
GD
116.9
114.6
100.2
103.3
102.0
103.6
104.0
103.3
73.2
dB
dB
dB
dB
dB
dB
dB
dB
dB
1/fs
Group Delay
-
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
2007/07
- 8 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
