AK4497 Datasheet, PDF (18/98 Pages) Asahi Kasei Microsystems – Quality Oriented 32-Bit 2ch DAC

[AK4497]
■ Short Delay Slow Roll-Off Filter Characteristics (fs = 44.1kHz)
(Ta=-40~85C; VDDL/R=4.75  5.25V, AVDD= TVDD=3.0 3.6V, DVDD=1.7~1.98V; Normal Speed
Mode; DEM=OFF; SD bit=“1”, SLOW bit=“0”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency Response
(Note 18)
0.01dB
-
6.0dB
-
0
20.0
kHz
-
22.05
-
kHz
Passband
(Note 22)
PB
0
20.0
kHz
Stopband
(Note 22)
SB
24.1
kHz
Passband Ripple
(Note 20)
PR
0.005
dB
Stopband Attenuation
(Note 19)
SA
100
dB
Group Delay
GD
-
6.25
-
1/fs
Digital Filter + SCF
(Note 18)
Frequency Response: 0  20.0kHz
-
+0.1/ TBD
-
dB
Short Delay Slow Roll-Off Filter Characteristics (fs = 96kHz)
(Ta=-40~85C; VDDL/R=4.75  5.25V, AVDD= TVDD=3.0 3.6V, DVDD=1.7~1.98V; Double Speed
Mode; DEM=OFF; SD bit=“1”, SLOW bit=“0”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency Response
0.01dB
-
0
43.5
kHz
(Note 18)
6.0dB
-
-
48.0
-
kHz
Passband
(Note 22)
PB
0
43.5
kHz
Stopband
(Note 22)
SB
52.5
kHz
Passband Ripple
(Note 20)
PR
0.005
dB
Stopband Attenuation
(Note 19)
SA
100
dB
Group Delay
GD
-
6.25
-
1/fs
Digital Filter + SCF
(Note 18)
Frequency Response: 0  40.0kHz
-
+0.1/ TBD
-
dB
Short Delay Slow Roll-Off Filter Characteristics (fs = 192kHz)
(Ta=-40~85C; VDDL/R=4.75  5.25V, AVDD= TVDD=3.0 3.6V, DVDD=1.7~1.98V; Quad Speed Mode;
DEM=OFF; SD bit=“1”, SLOW bit=“0”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency Response
0.01dB
-
0
87.0
kHz
(Note 18)
6.0dB
-
-
96.0
-
kHz
Passband
(Note 22)
PB
0
87.0
kHz
Stopband
(Note 22)
SB
105
kHz
Passband Ripple
(Note 20)
PR
0.005
dB
Stopband Attenuation
(Note 19)
SA
100
dB
Group Delay
GD
-
6.25
-
1/fs
Digital Filter + SCF
(Note 18)
Frequency Response: 0  80.0kHz
-
+0.1/ TBD
-
dB
Note 24. The passband and stopband frequencies scale with fs. For example, PB = 0.4535 × fs
(@0.01dB), SB = 0.546 × fs.
Rev. 0.1
- 18 -
2015/11