AK4618 Datasheet, PDF (10/60 Pages) Asahi Kasei Microsystems – 192kHz 24-bit 6ch/12ch Audio CODEC with Microphone Interface

[AK4618]
FILTER CHARACTERISTICS (fs=48kHz)
(Ta= -40  +105C; AVDD1, AVDD2= TVDD=3.0 3.6V)
Parameter
Symbol
Min.
Typ.
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
-
-
24.0
26.2
-
Passband Ripple
Stopband Attenuation
PR
-0.06
SA
52
-
Group Delay Distortion 0 ~ 20.0kHz
GD
-
0
Group Delay
(Note 10)
GD
-
19.3
DAC Digital Filter + Analog Filter:
Frequency Response 0 ~ 20.0kHz (Note 11)
FR
-
-0.1
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
-
22.5
Stopband
SB
40.1
Passband Ripple
PR
-4.0
Stopband Attenuation
SA
50
Group Delay Distortion 0 ~ 20.0kHz
GD
0
Group Delay
(Note 10)
GD
6.8
DAC Digital Filter + Analog Filter:
Frequency Response 0 ~ 20.0kHz (Note 11)
FR
-4.0
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
-
24.0
Stopband
SB
26.2
-
Passband Ripple
PR
-0.06
Stopband Attenuation
SA
52
-
Group Delay Distortion 0 ~ 20.0kHz
GD
-
-
Group Delay
(Note 10)
GD
-
6.2
DAC Digital Filter + Analog Filter:
Frequency Response 0 ~ 20.0kHz (Note 11)
FR
-0.1
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
-
22.5
Stopband
SB
40.1
-
Passband Ripple
Stopband Attenuation
PR
-4.0
SA
50
-
Group Delay Distortion 0 ~ 20.0kHz
GD
-
-
Group Delay
(Note 10)
GD
-
5.8
DAC Digital Filter + Analog Filter:
Frequency Response 0 ~ 20.0kHz (Note 11)
FR
-
-4.0
Max.
Unit
21.8
kHz
-
kHz
-
kHz
+0.06
dB
-
dB
-
1/fs
-
1/fs
-
dB
9.8
kHz
-
kHz
kHz
+0.06
dB
dB
1/fs
1/fs
dB
21.8
kHz
-
kHz
-
kHz
+0.06
dB
-
dB
1.7
1/fs
-
1/fs
dB
9.8
kHz
-
kHz
-
kHz
+0.06
dB
-
dB
0.5
1/fs
-
1/fs
-
dB
015000617-E-00
- 10 -
2015/01