
ASAHI KASEI
[AK4346]
MS0531-E-00
2006/07
- 6 -
SHARP ROLL-OFF FILTER CHARACTERISTICS
(Ta = 25
°
C; AVDD, DVDD = 2.7
~
3.6V; fs = 44.1kHz; DEM = OFF; SLOW = “0”)
Parameter
Digital filter
Passband
±
0.05dB (Note 10)
-6.0dB
Stopband (Note 10)
Passband Ripple
Stopband Attenuation
Group Delay (Note 11)
Digital Filter + SCF
Frequency Response
80.0kHz
Fs=192kHz
Note 10. The passband and stopband frequencies scale with fs(system sampling rate). For example, PB=0.4535×fs
(@
±
0.05dB), SB=0.546×fs.
Note 11. Calculated delay time caused by the digital filter. This time is measured from when the serial data of both
channels is in the input register to the output of the analog signal.
SLOW ROLL-OFF FILTER CHARACTERISTICS
(Ta = 25
°
C; AVDD, DVDD = 2.7~3.6V; fs = 44.1kHz; DEM = OFF; SLOW = “1”)
Parameter
Symbol
Digital Filter
Passband
±
0.04dB (Note 12)
-3.0dB
Stopband (Note 12)
SB
Passband Ripple
PR
Stopband Attenuation
SA
Group Delay (Note 11)
GD
Digital Filter + SCF
Frequency Response
80.0kHz
fs=192kHz
FR
Note 12. The passband and stopband frequencies scale with fs. For example, PB = 0.185×fs (@
±
0.04dB), SB = 0.888×fs.
DC CHARACTERISTICS
(Ta = 25
°
C; AVDD, DVDD = 2.7
~
3.6V)
Parameter
Symbol
High-Level Input Voltage
Low-Level Input Voltage
VIL
High-Level Output Voltage (Iout = -80μA)
Low-Level Output Voltage (Iout = 80μA)
VOL
Input Leakage Current (Note 13)
Iin
Note 13. P/S pin has an internal pull-up device and TDM0 pin has an internal pull-down device, nominally 100k
.
Symbol
Min
Typ
Max
Units
PB
0
-
22.05
19.3
20.0
-
±
0.02
-
kHz
kHz
kHz
dB
dB
1/fs
SB
PR
SA
GD
24.1
54
-
20.0kHz
40.0kHz
Fs=44.1kHz
Fs=96kHz
FR
FR
FR
-
-
-
+ 0.06/-0.10
+ 0.06/-0.13
+ 0.06/-0.51
-
-
-
dB
dB
dB
Min
Typ
Max
Units
PB
0
-
18.2
19.3
8.1
-
kHz
kHz
kHz
dB
dB
1/fs
39.2
72
-
±
0.005
-
20.0kHz
40.0kHz
fs=44.kHz
fs=96kHz
FR
FR
-
-
-
+0.1/-4.3
+0.1/-3.3
+0.1/-3.7
-
-
-
dB
dB
dB
Min
Typ
-
-
-
Max
-
Units
V
V
V
V
μ
A
VIH
70%DVDD
30%DVDD
-
0.4
±
10
VOH
DVDD-0.4
-
-
-