|
AK4458VN Datasheet, PDF (14/83 Pages) Asahi Kasei Microsystems – 115dB 768kHz 32-bit 8ch Premium DAC | |||
|
◁ |
[AK4458]
â Slow Roll-Off Filter Characteristics
Slow 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 = â1â, SD bit=â0â)
Parameter
Symbol Min.
Typ.
Max.
Unit
Digital Filter
Pass band
(Note 20)
PB
0
8.1
kHz
Pass band Ripple
(Note 17)
PR
-0.043
0.043
dB
Stop band
(Note 20)
SB
39.2
Stop band Attenuation
(Note 19)
SA
73
dB
Group Delay
(Note 18)
GD
-
6.3
-
1/fs
Frequency Response (Note 19) ï±0.05dB
-
0
8.1
kHz
ï6.0dB
-
-
18.2
-
kHz
Digital Filter + SCF (Note 19)
Frequency Response : 0 ï¾ 20.0kHz
-5
0.1
dB
Slow 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 = â1â,
SD bit=â0â)
Parameter
Symbol Min.
Typ.
Max.
Unit
Digital Filter
Pass band
(Note 20)
PB
0
17.7
kHz
Pass band Ripple
(Note 17)
PR
-0.043
0.043
dB
Stop band
(Note 20)
SB
85.3
Stop band Attenuation
(Note 19)
SA
73
dB
Group Delay
(Note 18)
GD
-
6.3
-
1/fs
Frequency Response (Note 19) ï±0.05dB
PB
0
17.7
kHz
ï3.0dB
-
39.6
-
kHz
Digital Filter + SCF
(Note 19)
Frequency Response : 0 ï¾ 40.0kHz
-4
0.1
dB
Slow 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 = â1â,
SD bit=â0â)
Parameter
Symbol Min.
Typ.
Max.
Unit
Digital Filter
Pass band
(Note 20)
PB
0
35.5
kHz
Pass band Ripple
(Note 17)
PR
-0.043
0.043
dB
Stop band
(Note 20)
SB
171
kHz
Stop band Attenuation
(Note 19)
SA
73
dB
Group Delay
(Note 18)
GD
-
6.3
-
1/fs
Frequency Response (Note 19) ï±0.05dB
PB
0
35.5
kHz
ï3.0dB
-
79.1
-
kHz
Digital Filter + SCF
(Note 19)
Frequency Response : 0 ï¾ 80.0kHz
-5
0.1
dB
Note 20. The pass band and stop band frequencies scale with fs. For example, PB=0.185Ãfs, SB=0.888Ãfs.
014011794-E-00
- 14 -
2015/01
|
▷ |