AK4490EN Datasheet, PDF (15/68 Pages) Asahi Kasei Microsystems – Premium 32-Bit 2ch DAC

[AK4490EN]
■ Slow Roll-Off Filter Characteristics (fs=44.1kHz)
(Ta=25C; AVDD=DVDD=3.0  3.6, TVDD=1.6V  DVDD, VREFHL/R=VDDL/R=4.75  5.25V; Normal
Speed Mode; DEM=OFF; SD bit=“0” or SD pin = “L”, SLOW bit=“1” or SLOW pin = “H”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Passband
(Note 16) 0.01dB
PB
6.0dB
0
4.4
kHz
-
18.2
-
kHz
Stopband
(Note 16)
SB
39.1
kHz
Passband Ripple
PR
0.005
dB
Stopband Attenuation
SA
94
dB
Group Delay
(Note 17) GD
-
6.63
-
1/fs
Digital Filter + SCF
Frequency Response: 0  20.0kHz
-
+0.1/-4.5
-
dB
■ Slow Roll-Off Filter Characteristics (fs=96kHz)
(Ta=25C; AVDD=DVDD=3.0  3.6, TVDD=1.6V  DVDD, VREFHL/R=VDDL/R=4.75  5.25V; Double
Speed Mode; DEM=OFF; SD bit=“0” or SD pin = “L”, SLOW bit=“1” or SLOW pin = “H”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Passband
(Note 16) 0.01dB
PB
0
18.1
kHz
6.0dB
-
45.6
-
kHz
Stopband
(Note 16)
SB
85.0
kHz
Passband Ripple
PR
0.005
dB
Stopband Attenuation
SA
100
dB
Group Delay
(Note 17) GD
-
6.00
-
1/fs
Digital Filter + SCF
Frequency Response: 0  40.0kHz
-
+0.1/-4.0
-
dB
■ Slow Roll-Off Filter Characteristics (fs=192kHz)
(Ta=25C; AVDD=DVDD=3.0  3.6, TVDD=1.6V  DVDD, VREFHL/R=VDDL/R=4.75  5.25V; Quad
Speed Mode; DEM=OFF; SD bit=“0” or SD pin = “L”, SLOW bit=“1” or SLOW pin = “H”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Passband
(Note 16) 0.01dB
PB
6.0dB
0
32.9
kHz
-
90.4
-
kHz
Stopband
(Note 16)
SB
171
kHz
Passband Ripple
PR
0.005
dB
Stopband Attenuation
SA
97
dB
Group Delay
(Note 17) GD
-
6.00
-
1/fs
Digital Filter + SCF
Frequency Response: 0  80.0kHz
-
+0.1/-5.5
-
dB
Note 16. The passband and stopband frequencies scale with fs. For example, PB=0.1836×fs (@0.01dB),
SB=0.8889×fs.
Note 17. The calculating delay time which occurred by digital filtering. This time is from setting the
16/20/24/32 bit data of both channels to the output of analog signal.
015013666-E-01
- 15 -
2015/12