AK4525VF Asahi Kasei Microsystems, AK4525VF Datasheet - Page 6

• Manufacturer Part Number: AK4525VF
• Description: 20BIT STEREO ADC & DAC WITH X TAL OSC
• Manufacturer: Asahi Kasei Microsystems

ASAHI KASEI
(Ta=25 C; VA=4.5
Parameter
ADC Digital Filter (Decimation LPF):
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
Group Delay Distortion
ADC Digital Filter (HPF):
Frequency Response
DAC Digital Filter:
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
DAC Digital Filter + Analog Filter:
Frequency Response:
Notes: 11. The passband and stopband frequencies scale with fs.
(Ta=25 C; VA=4.5
Parameter
High-Level Input Voltage (Except CMODE pin)
Low-Level Input Voltage (Except CMODE pin)
High-Level Input Voltage
Low-Level Input Voltage
Hight-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
Notes: 14. CMODE pin has internal pull-up and pull-down devices, nominally 50kohm.
MS0053-E-00
12. The calculating delay time which occurred by digital filtering. This time is from the input of analog signal to
For example, 20.02kHz at -0.02dB is 0.454 x fs. The reference frequency of these responses is 1kHz.
setting the 20bit data of both channels to the output register for ADC.
For DAC, this time is from setting the 20bit data of both channels on input register to the output of analog
signal.
M/S pin has internal pull-down device, nominally 46kohm.
5.5V; VD=3.1
5.5V; VD=3.1
0
(Note 11) -3dB
(Note 11) -0.06dB
(Note 11) -0.005dB
20.0kHz
(CMODE pin)
(CMODE pin)
(Iout=-80µA)
(Iout=80µA)
-0.5dB
-0.1dB
-6.0dB
-0.02dB
-0.06dB
-6.0dB
5.5V; DEM0= “1”, DEM1= “0”)
5.5V)
(Note 12)
(Note 12)
(Note 14)
FILTER CHARACTERISTICS
DC CHARACTERISTICS
Symbol
VOH
VOL
Symbol
VIH
VIH
VIL
VIL
Iin
GD
GD
SA
SA
PB
SB
PR
FR
PB
SB
PR
FR
- 6 -
GD
70%VD
95%VD
VD-0.4
min
24.34
-
-
-
-
24.1
min
43
80
0
0
0
0
0
0
-
typ
14.7
29.3
typ
-
-
-
-
-
-
-
0.9
2.7
6.0
0.2
0
30%VD
10%VD
19.76
20.02
20.20
22.05
22.05
Max
20.0
max
0.005
0.4
0.06
10
-
-
-
-
[AK4525]
Units
Units
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
1/fs
1/fs
µA
2000/9
dB
dB
Hz
Hz
Hz
dB
dB
dB
µs
V
V
V
V
V
V