參數(shù)資料
型號(hào): AK4370VN
廠商: Asahi Kasei Microsystems Co.,Ltd
英文描述: 24-Bit 2ch DAC with HP-AMP & Output Mixer
中文描述: 24位2通道DAC,具有惠普腺苷
文件頁(yè)數(shù): 9/49頁(yè)
文件大小: 695K
代理商: AK4370VN
ASAHI KASEI
[AK4370]
MS0595-E-00
2007/03
- 9 -
FILTER CHARACTERISTICS
(Ta=25
°
C; AVDD, DVDD, HVDD=1.6
3.6V; fs=44.1kHz; De-emphasis = “OFF”)
Parameter
DAC Digital Filter:
(Note 15)
Passband (Note 16)
0.05dB
6.0dB
Stopband (Note 16)
Passband Ripple
Stopband Attenuation
Group Delay (Note 17)
Group Delay Distortion
DAC Digital Filter + Analog Filter:
(Note 15, Note 18)
Frequency Response
0
20.0kHz
Analog Filter:
(Note 19)
Frequency Response
0
20.0kHz
BOOST Filter:
(Note 18, Note 20)
20Hz
100Hz
MIN
1kHz
20Hz
100Hz
MID
1kHz
20Hz
100Hz
MAX
1kHz
Note 15. BOOST OFF (BST1-0 bit = “00”)
Note 16. The passband and stopband frequencies scale with fs (system sampling rate).
For example, PB=0.4535fs(@
0.05dB). SB=0.546fs(@
54dB).
Note 17. This time is from setting the 24-bit data of both channels from the input register to the output of analog signal.
Note 18. DAC
HPL, HPR, LOUT, ROUT
Note 19. LIN1/LIN2/RIN1/RIN2
HPL/HPR/LOUT/ROUT
Note 20. These frequency responses scale with fs. If high-level signal is input, the output clips at low frequency.
Symbol
min
typ
max
Units
PB
SB
PR
SA
GD
Δ
GD
0
-
-
20.0
-
-
±
0.02
-
-
-
kHz
kHz
kHz
dB
dB
1/fs
μs
22.05
-
-
-
22
0
24.1
-
54
-
-
FR
-
±
0.5
-
dB
FR
-
±
1.0
-
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]
G
MAX
MID
MIN
Figure 2. Boost Frequency (fs=44.1kHz)
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