AK4552 데이터 시트보기 (PDF) - Asahi Kasei Microdevices
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AK4552 Datasheet PDF : 15 Pages
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ASAHI KASEI
[AK4552]
FILTER CHARACTERISTICS
(Ta=25°C; VA, VD=2.4 ∼ 4.0V; fs=44.1kHz; DEM0=“1”, DEM1=“0”)
Parameter
Symbol
min
typ
ADC Digital Filter (Decimation LPF):
Passband
(Note 6) ±0.1dB
PB
0
-1.0dB
20.0
-3.0dB
21.1
Stopband
(Note 6)
SB
27.0
Passband Ripple
PR
Stopband Attenuation
SA
65
Group Delay
(Note 7)
GD
17.0
Group Delay Distortion
∆GD
0
ADC Digital Filter (HPF):
Frequency Response (Note 6) -3dB
FR
3.4
-0.5dB
10
-0.1dB
22
DAC Digital Filter:
Passband
(Note 6) ±0.1dB
PB
0
-6.0dB
22.05
Stopband
(Note 6)
SB
24.1
Passband Ripple
PR
Stopband Attenuation
SA
43
Group Delay
(Note 7)
GD
15.4
Group Delay Distortion
∆GD
0
DAC Digital Filter + Analog Filter
Frequency Response 0 ∼ 20.0kHz
FR
±0.5
∼ 40.0kHz (Note 8)
±1.0
max
17.4
±0.1
20.0
±0.06
Units
kHz
kHz
kHz
kHz
dB
dB
1/fs
µs
Hz
Hz
Hz
kHz
kHz
kHz
dB
dB
1/fs
µs
dB
dB
Note: 6. The passband and stopband frequencies scale with fs (sampling frequency).
For examples, PB=20.0kHz(@ADC: -1.0dB, DAC: -0.1dB) are 0.454 x fs.
Note: 7. The calculating delay time which occurred by digital filtering. This time is from the input of analog signal to
setting the 24bit data of both channels to the output register for ADC. For DAC, this time is from setting the
24bit data of both channels on input register to the output of analog signal.
Note: 8. fs=96kHz.
DC CHARACTERISTICS
(Ta=25°C; VA, VD=2.4 ∼ 4.0V)
Parameter
Symbol
min
typ
High-Level Input Voltage
VIH
70%VD
-
Low-Level Input Voltage
VIL
-
-
High-Level Output Voltage (Iout=-20µA)
VOH
VD-0.1
-
Low-Level Output Voltage (Iout=20µA)
VOL
-
-
Input Leakage Current
Iin
-
-
max
-
30%VD
-
0.1
± 10
Units
V
V
V
V
µA
MS0055-E-01
-5-
2001/02
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