AK4137EQ Datasheet, PDF (12/65 Pages) Asahi Kasei Microsystems – 32bit SRC with PCM/DSD conversion

[AK4137]
10. Filter Characteristics
■ Sharp Roll-Off Filter Characteristics
(Ta=-40 +105C; DVDD=3.03.6V or DVDD=DV18=1.7V1.9V, DVSS=0V)
Parameter
Symbol Min.
Typ.
Max.
Unit
Digital Filter
Passband
0.985  FSO/FSI  6.000
PB
0
0.01dB
0.905  FSO/FSI  0.985
PB
0
0.4583FSI kHz
0.4167FSI kHz
0.714  FSO/FSI  0.905
PB
0
0.3195FSI kHz
0.656  FSO/FSI  0.714
PB
0
0.2852FSI kHz
0.536  FSO/FSI  0.656
PB
0
0.2182FSI kHz
0.492  FSO/FSI  0.536
PB
0
0.2177FSI kHz
0.452  FSO/FSI  0.492
PB
0
0.1948FSI kHz
0.357  FSO/FSI  0.452
PB
0
0.1458FSI kHz
0.324  FSO/FSI  0.357
PB
0
0.1302FSI kHz
0.246  FSO/FSI  0.324
PB
0
0.0917FSI kHz
0.226  FSO/FSI  0.246
PB
0
0.0826FSI kHz
0.1667  FSO/FSI  0.226
PB
0
0.0583FSI kHz
Stopband
0.985  FSO/FSI  6.000
SB 0.5417FSI
kHz
0.905  FSO/FSI  0.985
SB 0.5021FSI
kHz
0.714  FSO/FSI  0.905
SB 0.3965FSI
kHz
0.656  FSO/FSI  0.714
SB 0.3643FSI
kHz
0.536  FSO/FSI  0.656
SB 0.2974FSI
kHz
0.492  FSO/FSI  0.536
SB 0.2813FSI
kHz
0.452  FSO/FSI  0.492
SB 0.2604FSI
kHz
0.357  FSO/FSI  0.452
SB 0.2116FSI
kHz
0.324  FSO/FSI  0.357
SB 0.1969FSI
kHz
0.246  FSO/FSI  0.324
SB 0.1573FSI
kHz
0.226  FSO/FSI  0.246
SB 0.1471FSI
kHz
0.1667  FSO/FSI  0.226
SB 0.1020FSI
kHz
Passband
0.226  FSO/FSI  6.000
PR
Ripple
0.1667  FSO/FSI  0.226
PR
Stopband
0.985  FSO/FSI  6.000
SA
Attenuation 0.905  FSO/FSI  0.985
SA
0.714  FSO/FSI  0.905
SA
140.2
140.9
135.2
0.01
dB
0.03
dB
dB
dB
dB
0.656  FSO/FSI  0.714
SA
135.1
dB
0.536  FSO/FSI  0.656
SA
133.5
dB
0.492  FSO/FSI  0.536
SA
115.3
dB
0.452  FSO/FSI  0.492
SA
118.2
dB
0.357  FSO/FSI  0.452
SA
123.3
dB
0.324  FSO/FSI  0.357
SA
122.9
dB
0.246  FSO/FSI  0.324
SA
117.9
dB
0.226  FSO/FSI  0.246
SA
119.7
dB
0.1667  FSO/FSI  0.226
SA
90.3
Group Delay
(Note 10)
GD
-
64
dB
-
1/fs
Note 10. This is the time from a rising edge of LRCK after L and R channels data is input to a rising
edge of LRCK before the L and R channels data is output, when there is no phase difference
between input and output data.
Rev. 0.2
- 12 -
2014/06