AK4319A Datasheet, PDF (6/18 Pages) Asahi Kasei Microsystems – 18Bit SCF DAC

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