ak4522 AKM Semiconductor, Inc., ak4522 Datasheet - Page 6

• Manufacturer Part Number: ak4522
• Description: 20bit Stereo ?? Adc & Dac
• Manufacturer: AKM Semiconductor, Inc.

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:
Note:10. 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 (CMODE pin)
Low-Level Input Voltage (CMODE pin)
Hight-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
Note: 12. CMODE pin has internal pull-up and pull-down devices, nominally 50kohm.
M0020-E-01
11. 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.
5.5V, VD=2.7
5.5V, VD=2.7
0
(Note 10) -3dB
(Note 10) -0.06dB
(Note 11)
(Note 11)
(Note 10) -0.005dB
20.0kHz
(Iout=-80uA)
(Iout=80uA)
(Note 12)
-0.5dB
-0.1dB
-6.0dB
5.5V; fs=44.1kHz; DEM0=”1”, DEM1=”0”)
-0.02dB
-0.06dB
-6.0dB
5.5V)
DIGITAL CHARACTERISTICS
FILTER CHARACTERISTICS
Symbol
VOH
VOL
VIH
VIL
VIH
VIL
Iin
Symbol
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
Max
0.4
19.76
20.02
20.20
22.05
22.05
20.0
max
0.005
10
-
-
-
0.06
[AK4522]
Units
1998/10
Units
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
uA
1/fs
1/fs
dB
dB
Hz
Hz
Hz
dB
dB
dB
V
V
V
V
V
V
us