AK5397 Datasheet, PDF (9/44 Pages) Asahi Kasei Microsystems – 32-Bit Stereo Premium ADC

[AK5397]
Note 12. PSRR is applied to AVDD and DVDD with 1kHz, 20mVpp. The VREFHL/R and VREFLL/R pins
held a constant voltage.
■ Sharp Roll-Off Filter Characteristics
(1) Sharp Roll-Off Filter Characteristics (fs=48kHz)
(Ta=25C; AVDD=4.75~5.25V; DVDD=3.03.6V; fs=48kHz)
Parameter
Symbol Min.
ADC Digital Filter (Decimation LPF):
Passband
(Note 13) Figure 3-(1) PB
0
Passband Ripple (Note 14) Figure 3-(3) PR
-0.00015
Frequency Response
-0.001dB
FR
-
(Note 14)
-0.1dB
-
-3.0dB
-
-6.0dB
-
Stopband
(Note 14) Figure 3-(2) SB
26.17
Stopband Attenuation
Figure 3-(4) SA
100
Group Delay Distortion
GD
Group Delay
(Note 15) GD
ADC Digital Filter (HPF):
Frequency response
-3dB
FR
-
(Note 14)
-0.1dB
-
(2) Sharp Roll-Off Filter Characteristics (fs=96kHz)
(Ta=25C; AVDD=4.75~5.25V; DVDD=3.03.6V; fs=96kHz)
Parameter
Symbol Min.
ADC Digital Filter (Decimation LPF):
Passband
(Note 13) Figure 4-(1) PB
0
Pass Band Ripple (Note 14) Figure 4-(3) PR
-0.00015
Frequency Response
-0.001dB
FR
-
(Note 14)
-0.1dB
-
-3.0dB
-
-6.0dB
-
Stopband
(Note 14) Figure 4-(2) SB
52.36
Stopband Attenuation
Figure 4-(4) SA
100
Group Delay Distortion
GD
Group Delay
(Note 15) GD
ADC Digital Filter (HPF):
Frequency response
-3dB
FR
-
(Note 14)
-0.1dB
-
Typ.
21.93
22.54
23.62
23.99
0
41.5
0.93
6.1
Typ.
43.87
45.10
47.25
47.99
0
41.4
0.93
6.1
Max.
Unit
21.82
kHz
+0.00010 dB
-
kHz
-
kHz
-
kHz
-
kHz
3072
kHz
dB
1/fs
1/fs
-
Hz
-
Hz
Max.
Unit
43.62
kHz
+0.00015 dB
-
kHz
-
kHz
-
kHz
-
kHz
3072
kHz
dB
1/fs
1/fs
-
Hz
-
Hz
014011535-E-00
-9-
2014/11