AK5351-VF Asahi Kasei Microsystems, AK5351-VF Datasheet - Page 7

• Manufacturer Part Number: AK5351-VF
• Description: Enhanced Dual bit 20bit ADC
• Manufacturer: Asahi Kasei Microsystems

ASAHI KASEI
0166-E-00
Passband
Stopband
Passband Ripple
Stopband Attenuation (Note 9 ,Note 11 )
Group Delay Distortion
Group Delay
High Pass Filter characteristics
Frequency Response
High-Level Input voltage
Low-Level Input voltage
High-Level Output voltage
Low-Level Output voltage
Input Leakage Current
(Ta=25 C; VA,VD,VB=5.0V±10%; fs=48kHz)
Note 8 : These frequencies scale with the sampling frequency(fs).
Note 9 : Stopband is 26.5kHz to 3.0455MHz at fs=48kHz.
Note 10 : Passband is DC to 21.5kHz at fs=48kHz.
Note 11 : The analog modulator samples the input at 3.072MHz for a system sampling rate of
Note 12 : The calculation delay time occurred by digital filtering. This is the time from the input of
(Ta=25 C; VA,VD,VB=5.0V±10%)
Note 13 : Except for pull-down and pull-up pins. TST1, TST2, TST3, TST4, SMODE2 pins have internal
Digital Characteristics
Low Pass Filter characteristics
fs=48kHz. These is no rejection of input signals at those bandwidths which are multiples of
the sampling frequency (n x 3.072MHz ±22kHz ;n=0,1,2,3…).
analog signal to setting the 20bit data of both channels to the output registers. GD=29.3/fs.
pull-down device, HPFE pin has internal pull-up devive(Typ. 50k )
-0.005dB
-0.02dB
-0.06dB
Parameter
-0.5dB
-0.1dB
-3dB(Note 8 )
(Note 13 )
(Note 8 )
Iout=20uA
Iout=-20uA
(Note 10 )
(Note 12 )
(Note 9 )
DIGITAL FILTER CHARACTERISTICS
ELECTRICAL CHARACTERISTICS
Symbol
GD
PB
SB
PR
SR
FR
GD
- 7 -
Symbol
V
V
V
V
Iin
IH
IL
OH
OL
26.5
min
80
0
70%VD
VD-0.1
min
-
-
-
29.3
1.0
2.9
6.5
typ
typ
-
-
-
-
-
±0.005
30%VD
21.5
21.768
22.0
max
max
0
±10
0.1
-
-
[AK5351]
1997/4
Units
Units
kHz
kHz
1/fs
dB
dB
Hz
Hz
Hz
uA
us
V
V
V
V