參數(shù)資料
型號: AK4584VQ
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類: Codec
英文描述: 24Bit 96kHz Audio CODEC with DIT/DIR
中文描述: 24位96kHz的音頻編解碼器與動態(tài)網(wǎng)/迪爾
文件頁數(shù): 10/53頁
文件大?。?/td> 351K
代理商: AK4584VQ
ASAHI KASEI
[AK4584]
MS0118-E-00
2001/11
- 10 -
FILTER CHARACTERISTICS
(Ta=
10
70
°
C; AVDD, DVDD, PVDD=4.75
5.25V; TVDD=2.7
5.25V; fs=44.1kHz; DEM=OFF)
Parameter
Symbol
ADC Digital Filter (Decimation LPF):
Passband (Note 9)
±
0.005dB
-0.02dB
-0.06dB
-6.0dB
Stopband
SB
Passband Ripple
PR
Stopband Attenuation
SA
Group Delay (Note 10)
GD
Group Delay Distortion
GD
ADC Digital Filter (HPF):
Frequency Response (Note 9)
-3dB
-0.5dB
-0.1dB
DAC Digital Filter:
Passband (Note 9)
±
0.01dB
-6.0dB
Stopband
SB
Passband Ripple
PR
Stopband Attenuation
SA
Group Delay (Note 10)
GD
DAC Digital Filter + SCF + SMF:
Frequency Response:
0
20.0kHz
40kHz (Note 11)
80kHz (Note 12)
min
typ
max
Units
PB
0
-
-
-
20.02
20.20
22.05
19.76
-
-
-
kHz
kHz
kHz
kHz
kHz
dB
dB
1/fs
μ
s
24.34
±
0.005
80
31
0
FR
0.9
2.7
6.0
Hz
Hz
Hz
PB
0
-
22.05
20.0
-
kHz
kHz
kHz
dB
dB
1/fs
24.1
±
0.005
75
30
FR
0.1
0.2
1.0
dB
dB
dB
Note: 9. The passband and stopband frequencies scale with fs. For example, 20.02kHz at
0.02dB is 0.454 x fs.
Note: 10. The calculated delay time induced by digital filtering. This time is from the input of an analog signal
to the setting of 24bit data both channels to the ADC output register for ADC.
For DAC, this time is from setting the 24bit data of both channels on DAC input register to the output of an
analog signal.
Note: 11. fs = 96kHz.
Note: 12. fs = 192kHz.
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