AK4618 Datasheet, PDF (11/60 Pages) Asahi Kasei Microsystems – 192kHz 24-bit 6ch/12ch Audio CODEC with Microphone Interface

[AK4618]
FILTER CHARACTERISTICS (fs=96kHz)
(Ta= -40  +105C; AVDD1, AVDD2= TVDD=3.0 3.6V)
Parameter
Symbol
Min.
Typ.
Max.
Unit
DAC Digital Filter (LPF): Sharp roll-off mode
(DEM=OFF; SD_DA bit=“0” ; SLOW bit=“0”)
Passband
Stopband
(Note 8)
±0.06dB
6.0dB
PB
SB
0
-
-
48.0
52.4
-
43.6
kHz
-
kHz
-
kHz
Passband Ripple
Stopband Attenuation
PR
-0.06
+0.06
dB
SA
52
-
-
dB
Group Delay Distortion 0 ~ 40.0kHz
GD
-
0
-
1/fs
Group Delay
(Note 10)
GD
-
19.3
-
1/fs
DAC Digital Filter + Analog Filter:
Frequency Response 0 ~ 40.0kHz (Note 11)
FR
-
-0.3
-
dB
DAC Digital Filter (LPF): Slow roll-off mode
(DEM=OFF; SD_DA bit=“0” ; SLOW bit=“1”)
Passband
(Note 9) ±0.06dB
PB
6.0dB
0
19.6
kHz
-
45.0
-
kHz
Stopband
SB
80.2
kHz
Passband Ripple
PR
-4.0
+0.06
dB
Stopband Attenuation
SA
50
dB
Group Delay Distortion 0 ~ 40.0kHz
GD
0
1/fs
Group Delay
(Note 10)
GD
6.8
1/fs
DAC Digital Filter + Analog Filter:
Frequency Response 0 ~ 40.0kHz (Note 11)
FR
-4.2
dB
DAC Digital Filter (LPF): Short delay Sharp roll-off mode
(DEM=OFF; SD_DA bit=“1”; SLOW bit=“0”)
Passband
(Note 8) ±0.06dB
PB
0
-
6.0dB
-
48.0
Stopband
SB
52.4
-
43.6
kHz
-
kHz
-
kHz
Passband Ripple
PR
-0.06
+0.06
dB
Stopband Attenuation
SA
52
-
-
dB
Group Delay Distortion 0 ~ 40.0kHz
GD
-
-
1.7
1/fs
Group Delay
(Note 10)
GD
-
6.2
-
1/fs
DAC Digital Filter + Analog Filter:
Frequency Response 0 ~ 40.0kHz (Note 11)
FR
-0.3
dB
DAC Digital Filter (LPF): Short delay Slow roll-off mode
(DEM=OFF; SD_DA bit=“1” ; SLOW bit=“1”)
Passband
(Note 9) ±0.06dB
PB
0
-
6.0dB
-
45.0
Stopband
SB
80.2
-
19.6
kHz
-
kHz
-
kHz
Passband Ripple
Stopband Attenuation
PR
-4.0
+0.06
dB
SA
50
-
-
dB
Group Delay Distortion 0 ~ 40.0kHz
GD
-
-
0.5
1/fs
Group Delay
(Note 10)
GD
-
5.8
-
1/fs
DAC Digital Filter + Analog Filter:
Frequency Response 0 ~ 40.0kHz (Note 11)
FR
-
-4.2
-
dB
015000617-E-00
- 11 -
2015/01