ASAHI KASEI
[AK4319A]
FILTER CHARACTERISTICS
(Ta=25°C; AVDD,DVDD=4.5V 5.5V; fs=44.1kHz; DEM0="1",DEM1="0")
Parameter
Symbol
min
typ
max
Units
Digital Filter
Passband
±0.06dB (Note 7 )
-6.0dB
PB
0
-
20.0
-
kHz
kHz
22.05
Stopband
(Note 7 )
SB
PR
SA
GD
24.1
kHz
dB
Passband Ripple
Stopband Attenuation
Group Delay
±0.06
43
-
dB
(Note 8 )
14.7
-
1/fs
Digital Filter + SCF
-
±0.2
-
dB
Frequency Response 0 20.0kHz
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
Symbol
(XTI pin) VIH1
min
typ
max
Units
70%DVDD
-
-
-
-
-
-
-
V
V
V
V
Vpp
(All pins except XTI pin) VIH2
(XTI pin) VIL1
2.2
-
-
Low-Level Input Voltage
30%DVDD
(All pins except XTI pin) VIL2
AC coupled Input Voltage
0.8
-
(XTI pin) VAC
1
High-Level Output Voltage
Low-Level Output Voltage
(Iout=-100uA) VOH
(Iout=100uA) VOL
DVDD-0.5
-
-
-
V
V
0.5
Input Leakage Current
(Note 9 ) Iin
-
-
±10
uA
Notes: 9. TST,SMUTE,DIF0,DIF1,CKS pins have internal pull-down devices, nominally 130kΩ.
M0011-E-01
1998/6
- 6 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
