AK4490EQ Datasheet, PDF (17/68 Pages) Asahi Kasei Microsystems – Premium 32-Bit 2ch DAC

[AK4490]
■ Short Delay Slow Roll-Off Filter Characteristics (fs=44.1kHz)
(Ta=25C; AVDD=DVDD=3.0  3.6, VREFHL/R=VDDL/R=4.75  7.2V; Normal Speed Mode; DEM=OFF;
SD bit=“1” or SD pin = “H”, SLOW bit=“1” or SLOW pin = “H”)
Parameter
Symbol
min
typ
max
Unit
Digital Filter
Passband
(Note 13) 0.01dB
PB
6.0dB
0
4.4
kHz
-
18.2
-
kHz
Stopband
Passband Ripple
(Note 13) SB
39.1
PR
kHz
0.005
dB
Stopband Attenuation
SA
94
dB
Group Delay
(Note 14)
GD
-
5.3
-
1/fs
Digital Filter + SCF
Frequency Response : 0  20.0kHz
-
+0.1/-4.5
-
dB
■ Short Delay Slow Roll-Off Filter Characteristics (fs=96kHz)
(Ta=25C; AVDD=DVDD=3.0  3.6, VREFHL/R=VDDL/R=4.75  7.2V; Double Speed Mode; DEM=OFF;
SD bit=“1” or SD pin = “H”)
Parameter
Symbol
min
typ
max
Unit
Digital Filter
Passband
(Note 13) 0.01dB
PB
0
18.1
kHz
6.0dB
-
45.6
-
kHz
Stopband
(Note 13) SB
85.0
kHz
Passband Ripple
PR
0.005
dB
Stopband Attenuation
SA
100
dB
Group Delay
(Note 14)
GD
-
4.68
-
1/fs
Digital Filter + SCF
Frequency Response : 0  40.0kHz
-
+0.1/-0.4
-
dB
■ Short Delay Slow Roll-Off Filter Characteristics (fs=192kHz)
(Ta=25C; AVDD=DVDD=3.0  3.6, VREFHL/R=VDDL/R=4.75  7.2V; Quad Speed Mode; DEM=OFF;
SD bit=“1” or SD pin = “H”)
Parameter
Symbol
min
typ
max
Unit
Digital Filter
Passband
(Note 13) 0.01dB
PB
6.0dB
0
32.9
kHz
-
96.0
-
kHz
Stopband
(Note 13) SB
170
kHz
Passband Ripple
PR
0.005
dB
Stopband Attenuation
SA
97
dB
Group Delay
(Note 14) GD
-
4.68
-
1/fs
Digital Filter + SCF
Frequency Response : 0  80.0kHz
-
+0.1/-5.5
-
dB
MS1648-E-03
- 17 -
2014/11