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AK4497EQ Datasheet, PDF (16/98 Pages) Asahi Kasei Microsystems – Quality Oriented 32-Bit 2ch DAC | |||
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[AK4497]
â Slow Roll-Off Filter Characteristics (fs = 44.1kHz)
(Ta=-40~85ï°C; VDDL/R=4.75 ï¾ 5.25V, AVDD= TVDD=3.0 ï¾3.6V, DVDD=1.7~1.98V; Normal Speed
Mode; DEM=OFF; SD bit=â0â, SLOW bit=â1â)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency Response
(Note 18)
ï±0.01dB
PB
ï6.0dB
-
0
4.4
kHz
-
18.2
-
kHz
Passband
(Note 23)
PB
0
4.4
kHz
Stopband
(Note 23)
SB
39.1
kHz
Passband Ripple
(Note 20)
PR
ï±0.005
dB
Stopband Attenuation
(Note 19)
SA
94
dB
Group Delay
GD
-
6.63
-
1/fs
Digital Filter + SCF
(Note 18)
Frequency Response: 0 ï¾ 20.0kHz
-
+0.1/TBD
-
dB
Slow Roll-Off Filter Characteristics (fs = 96kHz)
(Ta=-40~85ï°C; VDDL/R=4.75 ï¾ 5.25V, AVDD= TVDD=3.0 ï¾3.6V, DVDD=1.7~1.98V; Double Speed
Mode; DEM=OFF; SD bit=â0â, SLOW bit=â1â)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency Response
ï±0.01dB
PB
0
9.5
kHz
(Note 18)
ï6.0dB
-
39.6
-
kHz
Passband
(Note 23)
PB
0
9.5
kHz
Stopband
(Note 23)
SB
85.0
kHz
Passband Ripple
(Note 20)
PR
ï±0.005
dB
Stopband Attenuation
(Note 19)
SA
94
dB
Group Delay
GD
-
6.63
-
1/fs
Digital Filter + SCF
(Note 18)
Frequency Response: 0 ï¾ 40.0kHz
-
+0.1/ TBD
-
dB
Slow Roll-Off Filter Characteristics (fs = 192kHz)
(Ta=-40~85ï°C; VDDL/R=4.75 ï¾ 5.25V, AVDD= TVDD=3.0 ï¾3.6V, DVDD=1.7~1.98V; Quad Speed Mode;
DEM=OFF; SD bit=â0â, SLOW bit=â1â)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency Response
ï±0.01dB
-
0
19.1
kHz
(Note 18)
ï6.0dB
-
-
79.2
-
kHz
Passband
(Note 23)
PB
0
19.1
kHz
Stopband
(Note 23)
SB
171
kHz
Passband Ripple
(Note 20)
PR
ï±0.005
dB
Stopband Attenuation
(Note 19)
SA
94
dB
Group Delay
GD
-
6.63
-
1/fs
Digital Filter + SCF
(Note 18)
Frequency Response: 0 ï¾ 80.0kHz
-
+0.1/ TBD
-
dB
Note 23. The passband and stopband frequencies scale with fs. For example, PB = 0.1836 Ã fs
(@ï±0.01dB), SB = 0.8889 Ã fs.
Rev. 0.1
- 16 -
2015/11
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