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AK4458 Datasheet, PDF (15/84 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 8ch Premium DAC | |||
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[AK4458]
â Short Delay Sharp Roll-Off Filter Characteristics
Short Delay Sharp Roll-Off Filter Characteristics (fs= 44.1kHz)
(Ta=-40 ï¾ 105ï°C; AVDD=3.0 ï¾ 5.5V, TVDD=1.7 ï¾ 3.6V; Normal Speed Mode; DEM=OFF;
SLOW bit = â0â, SD bit=â1â)
Parameter
Symbol
Min.
Typ.
Max. Unit
Digital Filter
Pass band
(Note 16) ï±0.05dB
PB
ï3.0dB
PB
0
20.0
kHz
21.5
kHz
Pass band Ripple
(Note 17)
PR
-0.0031
0.0031 dB
Stop band
(Note 16)
SB
24.1
kHz
Stop band Attenuation
(Note 19)
SA
80
dB
Group Delay
(Note 18)
GD
-
5.8
-
1/fs
Frequency Response (Note 19) ï±0.07dB
-
0
20.0
kHz
Digital Filter + SCF
(Note 19)
Frequency Response: 0 ï¾ 20.0kHz
-0.2
0.1
dB
Short Delay Sharp Roll-Off Filter Characteristics (fs= 96kHz)
(Ta=-40 ï¾ 105ï°C; AVDD=3.0 ï¾ 5.5V, TVDD=1.7 ï¾ 3.6V; Double Speed Mode; DEM=OFF; SLOW bit = â0â,
SD bit=â1â)
Parameter
Symbol
Min.
Typ.
Max. Unit
Digital Filter
Pass band
(Note 16)
ï±0.05dB
ï3.0dB
PB
PB
0
43.5
kHz
46.8
kHz
Pass band Ripple
(Note 17)
PR
-0.0031
0.0031
dB
Stop band
(Note 16)
SB
52.5
0
43.5
Stop band Attenuation
(Note 19)
SA
80
dB
Group Delay
(Note 18)
GD
-
5.8
-
1/fs
Frequency Response (Note 19) ï±0.07dB
-
0
43.5
kHz
Digital Filter + SCF
(Note 19)
Frequency Response: 0 ï¾ 40.0kHz
-0.3
0.1
dB
Short Delay Sharp Roll-Off Filter Characteristics (fs= 192kHz)
(Ta=-40 ï¾ 105ï°C; AVDD=3.0 ï¾ 5.5V, TVDD=1.7 ï¾ 3.6V; Quad Speed Mode; DEM=OFF; SLOW bit = â0â,
SD bit=â1â)
Parameter
Symbol
Min.
Typ.
Max. Unit
Digital Filter
Pass band
(Note 16)
ï±0.05dB
ï3.0dB
PB
PB
0
87.0
kHz
93.6
kHz
Pass band Ripple
(Note 17)
PR
-0.0031
0.0031 dB
Stop band
(Note 16)
SB
105
kHz
Stop band Attenuation
(Note 19)
SA
80
dB
Group Delay
(Note 18)
GD
-
5.8
-
1/fs
Frequency Response (Note 19) ï±0.07dB
-
0
87.0
kHz
Digital Filter + SCF
(Note 19)
Frequency Response: 0 ï¾ 80.0kHz
-1
0.1
dB
014011794-E-01
- 15 -
2015/08
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