參數(shù)資料
型號(hào)： AK4120
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： Sample Rate Converter with Mixer and Volume
中文描述： 采樣率轉(zhuǎn)換器與調(diào)音臺(tái)和卷
文件頁(yè)數(shù)： 6/30頁(yè)
文件大?。?/td> 259K
代理商： AK4120
ASAHI KASEI
[AK4120]
MS0134-E-00
2002/1
- 6 -
DIGITAL FILTER
(Ta=-40
～
85
°
C; VDD=2.7
～
3.6V; FSO=FSI=fs)
Parameter
Digital Filter
Passband (Note 8)
Stopband (Note 8)
Passband Ripple
Stopband Attenuation
Group Delay (Note 9)
Note 8. The passband and stopband frequencies scale with fs (system sampling rate).
Note 9. 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=2.7~3.6V)
Parameter
Symbol
Power Supply Current
Normal operation: (PDN = “H”, Path Mode 0)
FSI=FSO=48kHz at Slave Mode
(I2MODE= OMODE = “L”): VDD=3.3V
FSI=48kHz,FSO=96kHz at Master Mode
(I2MODE=OMODE= “H”) : VDD=3.3V
: VDD=3.6V
Power down: PDN = “L” (Note 10)
High-Level Input Voltage
Low-Level Input Voltage
VIL
Symbol
min
typ
max
Units
-0.001dB
PB
SB
PR
SA
GD
0
0.4583fs
±
0.01
-
kHz
kHz
dB
dB
1/fs
0.5417fs
97
-
56.5
min
typ
8.5
10.2
11.5
10
-
-
Max
-
-
20
100
-
0.3xVDD
Units
mA
mA
mA
μ
A
V
V
VIH
0.7xVDD
-
High-Level Output Voltage (Iout=-400
μ
A)
Low-Level Output Voltage
(Except SDA pin: Iout=400
μ
A);
( SDA pin: Iout= 3mA)
Input Leakage Current
Note 10. All digital inputs including clock pins are held VSS.
VOH
VOL
VOL
Iin
VDD-0.4
-
-
-
-
-
-
-
-
0.4
0.4
±
10
V
V
V
μ
A
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