ASAHI KASEI
[AK4319A]
FILTER CHARACTERISTICS
(Ta=25°C; AVDD,DVDD=4.5V∼5.5V; fs=44.1kHz; DEM0="1",DEM1="0")
Parameter
Digital Filter
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
Digital Filter + SCF
Frequency Response 0∼20.0kHz
-
±0.2
-
dB
(Note 8 )
±0.06dB
-6.0dB
(Note 7 )
(Note 7 )
PB
SB
PR
SA
GD
43
-
14.7
-
0
-
24.1
±0.06
22.05
20.0
-
kHz
kHz
kHz
dB
dB
1/fs
Symbol
min
typ
max
Units
Note: 7. The passband and stopband frequencies scale with fs.
For example, PB=0.4535*fs(@±0.1dB), SB=0.546*fs.
8. The calculating delay time which occurred by digital filtering. This time is from setting the
16/18bit data of both channels to input register to the output of analog signal.
DIGITAL CHARACTERISTICS
(Ta=25°C; AVDD,DVDD=4.5∼5.5V)
Parameter
High-Level Input Voltage
(XTI pin)
(All pins except XTI pin)
Low-Level Input Voltage
(XTI pin)
(All pins except XTI pin)
AC coupled Input Voltage
(XTI pin)
High-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
(Iout=-100uA)
(Iout=100uA)
(Note 9 )
Symbol
VIH1
VIH2
VIL1
VIL2
VAC
VOH
VOL
Iin
min
70%DVDD
2.2
-
-
1
DVDD-0.5
-
-
typ
-
-
-
-
-
-
-
max
-
-
30%DVDD
0.8
-
-
0.5
±10
Units
V
V
V
V
Vpp
V
V
uA
Notes: 9. TST,SMUTE,DIF0,DIF1,CKS pins have internal pull-down devices, nominally 130kΩ.
M0011-E-01
-6-
1998/6
AKM [ ASAHI KASEI MICROSYSTEMS ]
