WM8766 Wolfson Microelectronics plc, WM8766 Datasheet - Page 31
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WM8766
Manufacturer Part Number
WM8766
Description
24-bit, 192khz 6-channel Dac
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8766.pdf
(36 pages)
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Production Data
DIGITAL FILTER CHARACTERISTICS
Table 17 Digital Filter Characteristics
DAC FILTER RESPONSES
Figure 21 DAC Digital Filter Frequency Response
Figure 23 DAC Digital Filter Frequency Response
w
PARAMETER
Passband
Passband ripple
Stopband
Stopband Attenuation
Group Delay
-100
-120
-20
-40
-60
-80
-20
-40
-60
-80
0
0
0
0
– 192KHz
– 44.1, 48 and 96KHz
0.5
0.2
1
0.4
Frequency (Fs)
Frequency (Fs)
1.5
TEST CONDITIONS
0.6
f > 0.555fs
2
0.05 dB
-3dB
0.8
2.5
DAC Filter
3
1
0.555fs
MIN
-60
Figure 22 DAC Digital Filter Ripple –44.1, 48 and 96kHz
Figure 24 DAC Digital Filter Ripple – 192kHz
-0.05
-0.15
0.15
0.05
-0.1
-0.2
-0.2
-0.4
-0.6
-0.8
0.2
0.1
0.2
-1
0
0
0
0
0.487fs
0.05
0.05
TYP
21
0.1
0.1
0.15
0.15
0.444fs
MAX
0.05
0.2
0.2
Frequency (Fs)
Frequency (Fs)
0.25
0.25
0.3
0.3
UNIT
dB
dB
fs
0.35
0.35
PD Rev 4.1 July 2005
0.4
0.4
WM8766
0.45
0.45
0.5
0.5
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