AK4456 Datasheet, PDF (16/84 Pages) Asahi Kasei Microsystems – 115dB 768kHz Advanced 32-bit DAC

[AK4456]
■ Short Delay Slow Roll-Off Filter Characteristics
Short Delay Slow Roll-Off Filter Characteristics (fs= 44.1kHz)
(Ta=-40  105C; AVDD=3.0  5.5V, TVDD=1.7  3.6V; Normal Speed Mode; DEM=OFF;
SLOW bit = “1”, SD bit=“1”)
Parameter
Symbol Min.
Typ.
Max.
Unit
Digital Filter
Pass band
(Note 21) ^0.05dB
PB
3.0dB
PB
0
11.1
kHz
19.4
kHz
Pass band Ripple
(Note 17)
PR
-0.05
0.05
dB
Stop band
(Note 21)
SB
38.1
kHz
Stop band Attenuation
(Note 19)
SA
82
dB
Group Delay
(Note 18)
GD
-
4.8
-
1/fs
Frequency Response (Note 19) 0.05dB
-
0
11.1
kHz
Digital Filter + SCF
(Note 19)
Frequency Response: 0  20.0kHz
-5
0.1
dB
Short Delay Slow Roll-Off Filter Characteristics (fs= 96kHz)
(Ta=-40  105C; AVDD=3.0  5.5V, TVDD=1.7  3.6V; Double Speed Mode; DEM=OFF; SLOW bit = “1”,
SD bit=“1”)
Parameter
Symbol Min.
Typ.
Max.
Unit
Digital Filter
Pass band
(Note 21)
0.05dB
3.0dB
PB
PB
0
24.2
kHz
42.1
kHz
Pass band Ripple
(Note 17)
PR
-0.05
0.05
dB
Stop band
(Note 21)
SB
83.0
43.5
Stop band Attenuation
(Note 19)
SA
82
dB
Group Delay
(Note 18)
GD
-
4.8
-
1/fs
Frequency Response (Note 19) 0.05dB
-
0
24.2
kHz
Digital Filter + SCF
(Note 19)
Frequency Response: 0  40.0kHz
-5
0.1
dB
Short Delay Slow Roll-Off Filter Characteristics (fs= 192kHz)
(Ta=-40  105C; AVDD=3.0  5.5V, TVDD=1.7  3.6V; Quad Speed Mode; DEM=OFF; SLOW bit = “1”,
SD bit=“1”)
Parameter
Symbol Min.
Typ.
Max.
Unit
Digital Filter
Pass band
(Note 21)
0.05dB
3.0dB
PB
PB
0
48.4
kHz
84.3
kHz
Pass band Ripple
(Note 17)
PR
-0.05
0.05
dB
Stop band
(Note 21)
SB
165.9
kHz
Stop band Attenuation
(Note 19)
SA
82
dB
Group Delay
(Note 18)
GD
-
4.8
-
1/fs
Frequency Response (Note 19) 0.05dB
-
0
48.4
kHz
Digital Filter + SCF
(Note 19)
Frequency Response: 0  80.0kHz
-5
0.1
dB
Note 21. The pass band and stop band frequencies scale with fs. For example, PB=0.252×fs, SB=0.864×fs.
015006886-E-00
- 16 -
2015/06