參數(shù)資料
型號(hào)： AK4665AEN
元件分類： 消費(fèi)家電
英文描述： SPECIALTY CONSUMER CIRCUIT, QCC32
封裝： 5 X 5 MM, 0.50 MM PITCH, LEAD FREE, QFN-32
文件頁(yè)數(shù)： 51/52頁(yè)
文件大?。?/td> 522K
代理商： AK4665AEN
ASAHI KASEI
[AK4665A]
MS0440-E-01
2006/05
- 8 -
FILTER CHARACTERISTICS
(Ta=25
°C; AVDD, DVDD, HVDD=2.6 3.6V; TVDD=1.6 3.6V; fs=44.1kHz; DEM=OFF; BOOST=OFF)
Parameter
Symbol
min
typ
max
Units
ADC Digital Filter (LPF):
Passband (Note 13)
±0.16dB
PB
0
-
17.3
kHz
0.66dB
-
19.4
-
kHz
1.1dB
-
19.9
-
kHz
6.9dB
-
22.1
-
kHz
Stopband (Note 13)
SB
26.1
-
kHz
Passband Ripple
PR
-
±0.1
dB
Stopband Attenuation
SA
73
-
dB
Group Delay (Note 14)
GD
-
17
-
1/fs
Group Delay Distortion
GD
-
0
-
s
ADC Digital Filter (HPF):
Frequency Response (Note 13)
3dB
FR
-
3.4
-
Hz
0.5dB
-
10
-
Hz
0.1dB
-
22
-
Hz
DAC Digital Filter: (Note 15)
Passband (Note 13)
±0.1dB
PB
0
-
19.6
kHz
0.7dB
-
20.0
-
kHz
6.0dB
-
22.05
-
kHz
Stopband (Note 13)
SB
25.2
-
kHz
Passband Ripple
PR
-
±0.01
dB
Stopband Attenuation
SA
59
-
dB
Group Delay (Note 14)
GD
-
17.5
-
1/fs
Group Delay Distortion
GD
-
0
-
s
DAC Digital Filter + Analog Filter: (Note 15)
Frequency Response: 0
20.0kHz
FR
-
±1.0
-
dB
Analog Filter: (Note 16)
Frequency Response: 0
20.0kHz
FR
-
±1.0
-
dB
BOOST Filter: (Note 17)
Frequency Response
20Hz
FR
-
5.76
-
dB
MIN
100Hz
-
2.92
-
dB
1kHz
-
0.02
-
dB
20Hz
FR
-
10.80
-
dB
MID
100Hz
-
6.84
-
dB
1kHz
-
0.13
-
dB
20Hz
FR
-
16.06
-
dB
MAX
100Hz
-
10.54
-
dB
1kHz
-
0.37
-
dB
Note 13. The passband and stopband frequencies scale with fs.
For example (DAC), PB=0.44*fs(@
±0.1dB), SB=0.57*fs(@59dB).
Note 14. This is the calculated delay time caused by digital filtering. This time is measured from the input of analog signal
to setting the 20 bit data of both channels on input register to the output register of ADC. For DAC, this time is
from setting the 20 bit data of both channels on input register to the output of analog signal.
Note 15. BOOST OFF (BST1-0 bits = “00”)
Note 16. LIN
→HPL, RIN→HPR, MIN→HPL/HPR.
Note 17. These frequency responses scale with fs. If high-level signal is input, the AK4665A clips at low frequency.
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