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參數(shù)資料
| 型號： | AK4550 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 元件分類： | Codec |
| 英文描述： | LOW POWER & SMALL PACKAGE 16BIT CODEC |
| 中文描述： | 低功耗 |
| 文件頁數(shù)： | 5/15頁 |
| 文件大?。?/td> | 102K |
| 代理商： | AK4550 |
ASAHI KASEI
[AK4550]
M0068-E-01
2000/4
- 5 -
FILTER CHARACTERISTICS
(Ta=25
°
C; VDD=2.3
～
3.6V; fs=44.1kHz; DEM0=”1”, DEM1=”0”)
Parameter
ADC Digital Filter (Decimation LPF):
Passband (Note 7)
±
0.1dB
-1.0dB
-3.0dB
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 8)
Group Delay Distortion
ADC Digital Filter (HPF):
Frequency Response (Note 7)
-3dB
-0.5dB
-0.1dB
DAC Digital Filter:
Passband (Note 7)
±
0.1dB
-6.0dB
Stopband
Passband Ripple
Stopband Attenuation
Group Delay (Note 8)
DAC Digital Filter + Analog Filter
Frequency Response 0
～
20.0kHz
Symbol
min
typ
max
Units
PB
0
20.0
21.1
17.4
kHz
kHz
kHz
kHz
dB
dB
1/fs
us
SB
PR
SA
GD
GD
27.0
±
0.1
65
17.0
0
FR
3.4
10
22
Hz
Hz
Hz
PB
0
22.05
20.0
kHz
kHz
kHz
dB
dB
1/fs
SB
PR
SA
GD
24.1
±
0.06
43
14.8
FR
±
0.5
dB
Notes: 7. 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.
8. The calculating delay time which occurred by digital filtering. This time is from the input of analog signal to
setting the 16bit data of both channels to the output register for ADC. For DAC, this time is from setting the
16bit data of both channels on input register to the output of analog signal.
DC CHARACTERISTICS
(Ta=25
°
C; VDD=2.3
～
3.6V)
Parameter
Symbol
VIH
VIL
VOH
VOL
Iin
min
typ
-
-
-
max
-
Units
V
V
V
V
uA
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage (Iout=-20uA)
Low-Level Output Voltage (Iout=20uA)
Input Leakage Current
70
%
VDD
-
VDD-0.1
-
-
30
%
VDD
-
0.1
±
10
-
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| AK4550VT | LOW POWER & SMALL PACKAGE 16BIT CODEC |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AK4550VT | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER & SMALL PACKAGE 16BIT CODEC |
| AK4550VT-E2 | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述: |
| AK4550VTP-E2 | 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:16BIT 3V |
| AK4551 | 制造商:AKM 制造商全稱:AKM 功能描述:EVALUATION BOARD REV.C FOR AK4551 |
| AK4551VT | 制造商:AKM 制造商全稱:AKM 功能描述:LOW POWER & SMALL PACKAGE 20BIT CODEC |
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