參數(shù)資料
型號: WM8768
廠商: Wolfson Microelectronics
英文描述: 24-bit, 192kHz 8-Channel DAC
中文描述: 24位,192kHz的8通道DAC
文件頁數(shù): 33/38頁
文件大?。?/td> 393K
代理商: WM8768
Production Data
WM8768
w
PD Rev 4.1 March 2005
33
DIGITAL FILTER CHARACTERISTICS
PARAMETER
DAC Filter
Passband
TEST CONDITIONS
MIN
TYP
MAX
UNIT
±
0.05 dB
-3dB
f > 0.555fs
0.444fs
±
0.05
0.487fs
21
Passband ripple
Stopband
Stopband Attenuation
Group Delay
dB
dB
fs
0.555fs
-60
Table 17 Digital Filter Characteristics
DAC FILTER RESPONSES
-120
-100
-80
-60
-40
-20
0
0
0.5
1
2
2.5
3
R
Frequ1.5
-0.2
-0.15
-0.1
-0.05
0
0.05
0.1
0.15
0.2
0
0.05
0.1
0.15
0.2
Freq0.25
0.3
0.35
0.4
0.45
0.5
R
Figure 21 DAC Digital Filter Frequency Response – 44.1,
48 and 96kHz
Figure 22 DAC Digital Filter Ripple –44.1, 48 and 96kHz
-80
-60
-40
-20
0
0
0.2
0.4
Frequency (Fs)
0.6
0.8
1
R
-1
-0.8
-0.6
-0.4
-0.2
0
0.2
0
0.05
0.1
0.15
0.2
Freq0.25
0.3
0.35
0.4
0.45
0.5
R
Figure 23 DAC Digital Filter Frequency Response –
192kHz
Figure 24 DAC Digital filter Ripple – 192kHz
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