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參數(shù)資料
| 型號： | AK4121 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | ASYNCHRONOUS SAMPLE RATE CONVERTER |
| 中文描述： | 異步采樣率轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/19頁 |
| 文件大?。?/td> | 196K |
| 代理商： | AK4121 |
ASAHI KASEI
[AK4121]
MS0191-E-03
2004/08
- 5 -
DIGITAL FILTER
(Ta=
40
～
85
°
C; VDD=3.0
～
3.6V; TVDD=3.0~5.5V)
Parameter
Digital Filter
0.985
≤
FSO/FSI
≤
6.000
0.905
≤
FSO/FSI
<
0.985
0.714
≤
FSO/FSI
<
0.905
0.656
≤
FSO/FSI
<
0.714
0.536
≤
FSO/FSI
<
0.656
0.492
≤
FSO/FSI
<
0.536
0.452
≤
FSO/FSI
<
0.492
0.333
≤
FSO/FSI
<
0.452
0.985
≤
FSO/FSI
≤
6.000
0.905
≤
FSO/FSI
<
0.985
0.714
≤
FSO/FSI
<
0.905
0.656
≤
FSO/FSI
<
0.714
0.536
≤
FSO/FSI
<
0.656
0.492
≤
FSO/FSI
<
0.536
0.452
≤
FSO/FSI
<
0.492
0.333
≤
FSO/FSI
<
0.452
Passband Ripple
Stopband Attenuation
Group Delay (Note 6)
Note 6. This value is the time from the rising edge of LRCK after data is input to rising edge of LRCK after data is
output, when LRCK for Output data corresponds with LRCK for Input.(at 20bit MSB justified, 16bit and 20bit
LSB justified)
DC CHARACTERISTICS
(Ta=
40
～
85
°
C; VDD=3.0~3.6V; TVDD=3.0~5.5V)
Parameter
Symbol
Power Supply Current
Normal operation:
FSI=FSO=48kHz at Slave Mode: VDD=3.3V
FSI=FSO=96kHz at Master Mode: VDD=3.3V
: VDD=3.6V
Power down: PDN = “L” (Note 7)
High-Level Input Voltage
Low-Level Input Voltage
VIL
High-Level Output Voltage (Iout=
400
μ
A)
Low-Level Output Voltage (Iout=400
μ
A)
VOL
Input Leakage Current
Iin
Note 7. All digital inputs including clock pins are held VSS.
Symbol
min
typ
max
Units
PB
PB
PB
PB
PB
PB
PB
PB
SB
SB
SB
SB
SB
SB
SB
SB
PR
SA
GD
0
0
0
0
0
0
0
0
0.4583FSI
0.4167FSI
0.3195FSI
0.2852FSI
0.2245FSI
0.2003FSI
0.1781FSI
0.1092FSI
±
0.01
-
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
dB
dB
1/fs
Passband
0.001dB
0.5417FSI
0.5021FSI
0.3965FSI
0.3643FSI
0.2974FSI
0.2732FSI
0.2510FSI
0.1822FSI
Stopband
96
-
57.5
min
typ
10
20
10
-
-
-
-
-
max
-
-
40
100
-
0.3xVDD
-
0.4
±
10
Units
mA
mA
mA
μ
A
V
V
V
V
μ
A
VIH
0.7xVDD
-
VDD-0.4
-
-
VOH
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