參數(shù)資料
型號： AK4367
廠商： Asahi Kasei Microsystems Co.,Ltd
英文描述： OUTPUT MIXER & HP - AMP 24 BIT 2 CH DAC
中文描述： 輸出混音器
文件頁數(shù)： 37/38頁
文件大?。?/td> 433K
代理商： AK4367
ASAHI KASEI
[AK4367]
MS0247-E-01
2004/11
- 8 -
FILTER CHARACTERISTICS
(Ta=25
°C; VDD, HVDD=2.2 3.6V; fs=44.1kHz; De-emphasis = “OFF”)
Parameter
Symbol
min
typ
max
Units
DAC Digital Filter: (Note 10)
Passband
0.05dB (Note 11)
PB
0
-
20.0
kHz
6.0dB
-
22.05
-
kHz
Stopband
(Note 11)
SB
24.1
-
kHz
Passband Ripple
PR
-
±0.02
dB
Stopband Attenuation
SA
54
-
dB
Group Delay
(Note 12)
GD
-
20.8
-
1/fs
Group Delay Distortion
GD
-
0
-
s
DAC Digital Filter + Analog Filter: (Note 10) (Note 13)
Frequency Response
0
20.0kHz
FR
-
±0.5
-
dB
Analog Filter: (Note 14)
Frequency Response
0
20.0kHz
FR
-
±1.0
-
dB
BOOST Filter:
(Note 13) (Note 15)
20Hz
FR
-
5.76
-
dB
100Hz
-
2.92
-
dB
MIN
1kHz
-
0.02
-
dB
20Hz
FR
-
10.80
-
dB
100Hz
-
6.84
-
dB
MID
1kHz
-
0.13
-
dB
20Hz
FR
-
16.06
-
dB
100Hz
-
10.54
-
dB
Frequency Response
MAX
1kHz
-
0.37
-
dB
Note 10. BOOST OFF (BST1-0 bit = “00”)
Note 11. The passband and stopband frequencies scale with fs.
For example, PB=0.4535*fs(@
±0.05dB), SB=0.546*fs(@54dB).
Note 12. This is the calculated delay time caused by digital filtering. This time is measured from the setting of the 24bit
data of both channels to the input registers to the output of the analog signal.
Note 13. DAC
HPL, HPR, MOUT
Note 14. MIN
HPL/HPR/MOUT, LIN
HPL/MOUT, RIN
HPR/MOUT
Note 15. These frequency responses scale with fs. If high-level signal is input, the AK4367 clips at low frequency.
Boost Filter (fs=44.1kHz)
-5
0
5
10
15
20
10
100
1000
10000
Frequency [Hz]
Level
[dB]
MAX
MID
MIN
Figure 2. Boost Frequency (fs=44.1kHz)
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4367_05 制造商:AKM 制造商全稱:AKM 功能描述:Low Power 24-Bit 2ch DAC with HP-AMP & Output Mixer
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