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參數(shù)資料
| 型號： | AK4388VT |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | 192kHz 24-Bit 2ch ツヒ DAC |
| 中文描述： | 192kHz的24位2通道ツヒ數(shù)模轉(zhuǎn)換器 |
| 文件頁數(shù)： | 5/18頁 |
| 文件大?。?/td> | 198K |
| 代理商： | AK4388VT |
ASAHI KASEI
[AK4388]
MS0485-E-01
2006/07
- 5 -
FILTER CHARACTERISTICS
(Ta = 25
°
C; VDD = 4.5
～
5.5V; fs = 44.1kHz)
Parameter
Digital filter
(DEM = OFF)
Passband
±
0.05dB (Note 9)
–6.0dB
Stopband (Note 9)
Passband Ripple
Stopband Attenuation
Group Delay (Note 10)
De-emphasis Filter (DEM = ON)
De-emphasis Error
(Relative to 0Hz)
Digital Filter + LPF
(DEM = OFF)
Frequency Response
Notes: 9. The passband and stopband frequencies scale with fs(system sampling rate).
For example, PB=0.4535×fs (@
±
0.05dB), SB=0.546×fs.
10. The calculating delay time which occurred by digital filtering. This time is from setting the 16/24bit data
of both channels to input register to the output of analog signal.
Symbol
min
typ
max
Units
PB
0
-
22.05
19.3
20.0
-
±
0.02
-
kHz
kHz
kHz
dB
dB
1/fs
SB
PR
SA
GD
24.1
54
-
fs = 32kHz
fs = 44.1kHz
fs = 48kHz
-
-
-
-
-
-
–1.5/0
–0.2/+0.2
0/+0.6
dB
dB
dB
20.0kHz
40.0kHz
80.0kHz
fs=44.1kHz
fs=96kHz
fs=192kHz
FR
FR
FR
-
-
-
±
0.2
±
0.3
+0.1/-0.6
-
-
-
dB
dB
dB
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