AK5397 Datasheet, PDF (11/44 Pages) Asahi Kasei Microsystems – 32-Bit Stereo Premium ADC

■ Short Delay Filter Characteristics
(1) Short Delay Filter Characteristics (fs=48kHz)
(Ta=25C; AVDD=4.75~5.25V; DVDD=3.03.6V; fs=48kHz; SDFIL=“L”)
Parameter
Symbol Min.
Typ.
ADC Digital Filter (Decimation LPF):
Passband
(Note 13) Figure 8-(1) PB
0
Passband Ripple (Note 14) Figure 8-(2) PR
-0.015
Frequency Response
-0.1dB
FR
-
22.40
(Note 14)
-3.0dB
-
23.70
-6.0dB
-
24.28
Stopband
(Note 14) Figure 8-(3) SB
27.93
Stopband Attenuation
Figure 8-(4) SA
93
Group Delay Distortion
GD
Group Delay
(Note 15) GD
12.5
ADC Digital Filter (HPF):
Frequency response
-3dB
FR
-
0.93
(Note 14)
-0.1dB
-
6.1
(2) Short Delay Filter Characteristics (fs=96kHz)
(Ta=25C; AVDD=4.75~5.25V; DVDD=3.03.6V; fs=96kHz; SDFIL=“L”)
Parameter
Symbol Min.
Typ.
ADC Digital Filter (Decimation LPF):
Passband
(Note 13) Figure 9-(1) PB
0
Passband Ripple (Note 14) Figure 9-(2) PR
-0.05
Frequency Response
-0.1dB
FR
-
44.68
(Note 14)
-3.0dB
-
47.40
-6.0dB
-
48.56
Stopband
(Note 14) Figure 9-(3) SB
55.90
Stopband Attenuation
Figure 9-(4) SA
93
Group Delay Distortion
GD
Group Delay
(Note 15) GD
12.4
ADC Digital Filter (HPF):
Frequency response
-3dB
FR
-
0.93
(Note 14)
-0.1dB
-
6.1
[AK5397]
Max.
Unit
22.22
kHz
+0.055
dB
-
kHz
-
kHz
-
kHz
3072
kHz
dB
±0.1
1/fs
1/fs
-
Hz
-
Hz
Max.
Unit
44.46
kHz
+0.02
dB
-
kHz
-
kHz
-
kHz
3072
kHz
dB
±0.075
1/fs
1/fs
-
Hz
-
Hz
014011535-E-00
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2014/11