AK4620A Datasheet, PDF (11/42 Pages) Asahi Kasei Microsystems – 24 BIT 192KHZ AUDIO CODEC WITH IPGA

ASAHI KASEI
[AK4620A]
DAC SLOW ROLL-OFF FILTER CHARACTERISTICS (fs = 44.1kHz)
(Ta = 25°C; VA=4.75 ∼ 5.25V; VD=3.0 ∼ 3.6V, VT=3.0 ∼ 5.25V; fs = 44.1kHz; Normal Speed Mode; DEM = OFF;
SLOW = “1”)
Parameter
Symbol
min
typ
max
Units
Digital Filter
Passband
±0.04dB (Note 21)
PB
-3.0dB
0
8.1
kHz
-
18.2
-
kHz
Stopband
Passband Ripple
(Note 21)
SB
39.2
PR
kHz
± 0.005
dB
Stopband Attenuation
SA
72
dB
Group Delay
(Note 20)
GD
-
28
-
1/fs
Digital Filter + SCF
Frequency Response: 0 ∼ 20.0kHz
-
+0/-5
-
dB
DAC SLOW ROLL-OFF FILTER CHARACTERISTICS (fs = 96kHz)
(Ta = 25°C; VA=4.75 ∼ 5.25V; VD=3.0 ∼ 3.6V, VT=3.0 ∼ 5.25V; fs = 96kHz; Double Speed Mode; DEM = OFF; SLOW
= “1”)
Parameter
Symbol
min
typ
max
Units
Digital Filter
Passband
±0.04dB (Note 21)
PB
0
17.7
kHz
-3.0dB
-
39.6
-
kHz
Stopband
(Note 21)
SB
85.3
kHz
Passband Ripple
PR
± 0.005
dB
Stopband Attenuation
SA
72
dB
Group Delay
(Note 20)
GD
-
28
-
1/fs
Digital Filter + SCF
Frequency Response: 0 ∼ 40.0kHz
-
+0/-4
-
dB
DAC SLOW ROLL-OFF FILTER CHARACTERISTICS (fs = 192kHz)
(Ta = 25°C; VA=4.75 ∼ 5.25V; VD=3.0 ∼ 3.6V, VT=3.0 ∼ 5.25V; fs = 192kHz; Quad Speed Mode; DEM = OFF; SLOW
= “1”)
Parameter
Symbol
min
typ
max
Units
Digital Filter
Passband
±0.04dB (Note 21)
PB
0
35.5
kHz
-3.0dB
-
79.1
-
kHz
Stopband
(Note 21)
SB
171
kHz
Passband Ripple
PR
± 0.005
dB
Stopband Attenuation
SA
72
dB
Group Delay
(Note 20)
GD
-
28
-
1/fs
Digital Filter + SCF
Frequency Response: 0 ∼ 80.0kHz
-
+0/-5
-
dB
Note 21. The passband and stopband frequencies scale with fs.
For example, PB = 0.185×fs (@±0.04dB), SB = 0.888×fs.
MS0368-E-00
- 11 -
2004/12