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參數(shù)資料
| 型號： | AK4366 |
| 廠商： | Asahi Kasei Microsystems Co.,Ltd |
| 英文描述： | Low Power 24-Bit 2ch DAC with HP-AMP |
| 中文描述： | 低功耗24位2通道DAC，具有惠普腺苷 |
| 文件頁數(shù)： | 7/31頁 |
| 文件大?。?/td> | 266K |
| 代理商： | AK4366 |
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ASAHI KASEI
AKM CONFIDENTIAL
[AK4366]
REV 0.6
2003/3
- 7 -
FILTER CHARACTERISTICS
(Ta=25
°
C; VDD, HVDD=2.2
～
3.6V; fs=44.1kHz; De-emphasis = “OFF”)
Parameter
DAC Digital Filter:
(Note 8)
Passband
-0.05dB
(Note 9)
-6.0dB
Stopband
(Note 9)
Passband Ripple
Stopband Attenuation
Group Delay
(Note 10)
Group Delay Distortion
DAC Digital Filter + Analog Filter:
(Note 8) (Note 11)
Frequency Response
0
～
20.0kHz
BOOST Filter:
(Note 11) (Note 12)
20Hz
100Hz
MIN
1kHz
20Hz
100Hz
MID
1kHz
20Hz
100Hz
MAX
1kHz
Note 8. BOOST OFF (BST1-0 = “00”)
Note 9. The passband and stopband frequencies scale with fs.
For example, PB=0.4535*fs(@
±
0.05dB), SB=0.546*fs(@-54dB).
Note 10. 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 11. DAC
à
HPL, HPR
Note 12. These frequency responses scale with fs. If high-level signal is input, the AK4366 clips at low frequency.
Symbol
min
typ
max
Units
PB
SB
PR
SA
GD
GD
0
-
-
20.0
-
-
±
0.02
-
-
-
kHz
kHz
kHz
dB
dB
1/fs
μs
22.05
-
-
-
20.8
0
24.1
-
54
-
-
FR
-
±
0.5
-
dB
FR
FR
FR
-
-
-
-
-
-
-
-
-
5.76
2.92
0.02
10.80
6.84
0.13
16.06
10.54
0.37
-
-
-
-
-
-
-
-
-
dB
dB
dB
dB
dB
dB
dB
dB
dB
Frequency Response
Boost Filter (fs=44.1kHz)
-5
0
5
10
15
20
10
100
1000
10000
Frequency [Hz]
L
MAX
MID
MIN
Figure 2. Boost Frequency (fs=44.1kHz)
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