AK4558EN Datasheet, PDF (18/94 Pages) Asahi Kasei Microsystems – 108dB 216kHz 32Bit CODEC with PLL

[AK4558]
14. DAC Filter Characteristics (fs=192kHz)
(Ta= -40  +105C; AVDD =2.4 3.6V, TVDD=1.7 3.6V)
Parameter
Symbol Min.
Typ.
Max.
Unit
DAC Digital Filter (LPF): Sharp roll-off mode(DEM=OFF; SLDA bit=“0” ; SDDA bit=“0”)
Passband
Stopband
(Note 15)
±0.05dB
6.0dB
PB
0
-
87.0
kHz
-
96.0
-
kHz
SB
105
-
-
kHz
Passband Ripple
PR
-0.0032
+0.0032 dB
Stopband Attenuation
Group Delay
SA
(Note 17)
GD
80
-
-
27.8
-
dB
-
1/fs
DAC Digital Filter + Analog Filter:
Frequency Response 0 ~ 80.0kHz (Note 18) FR
-1.0
-
1.0
dB
DAC Digital Filter (LPF): Short delay Sharp roll-off mode (DEM=OFF; SLDA bit=“0” ; SDDA bit=“1”)
Passband
Stopband
(Note 15) ±0.05dB
6.0dB
PB
0
-
87.0
kHz
-
96.0
-
kHz
SB
105
-
-
kHz
Passband Ripple
PR
-0.0031
+0.0031 dB
Stopband Attenuation
Group Delay
SA
80
-
(Note 17)
GD
-
6.8
-
dB
-
1/fs
DAC Digital Filter + Analog Filter:
Frequency Response 0 ~ 80.0kHz (Note 18) FR
-1.0
-
1.0
dB
DAC Digital Filter (LPF): Slow roll-off mode (DEM=OFF; SLDA bit=“1” ; SDDA bit=“0”)
Passband
(Note 16) ±0.07dB
PB
0
35.5
kHz
3.0dB
-
79.1
-
kHz
Stopband
SB
171
kHz
Passband Ripple
PR
-0.043
+0.043 dB
Stopband Attenuation
Group Delay
SA
73
(Note 17)
GD
-
7.3
dB
-
1/fs
DAC Digital Filter + Analog Filter:
Frequency Response 0 ~ 80.0kHz (Note 18) FR
-5.0
-
0.1
dB
DAC Digital Filter (LPF): Short delay Slow roll-off mode (DEM=OFF; SLDA bit=“1” ; SDDA bit=“1”)
Passband
Stopband
(Note 16) ±0.07dB
3.0dB
PB
0
-
48.4
kHz
-
89.2
-
kHz
SB
165.9
-
-
kHz
Passband Ripple
Stopband Attenuation
Group Delay
PR
SA
(Note 17)
GD
-0.05
82
-
+0.05
dB
-
-
dB
5.8
-
1/fs
DAC Digital Filter + Analog Filter:
Frequency Response 0 ~ 80.0kHz (Note 18) FR
-5.0
-
0.1
dB
Note 15. The passband and stopband frequencies scale with fs (sampling frequency).
For example, Passband (0.06dB) = 0.454 x fs (@ fs=192kHz).
Note 16. The passband and stopband frequencies scale with fs (sampling frequency).
For example, Passband (0.06dB) = 0.204 x fs (@ fs=192kHz).
Note 17. The calculated delay time is resulting from digital filtering. For the DAC, this is the time from the
input of MSB for L channel of SDTI to the output of an analog signal. The error of the delay at
audio interface is within +1[1/fs].
Note 18. The reference frequency is 1kHz.
015004500-E-02
- 18 -
2015/09