WM8731 / WM8731L
Production Data
0
0.05
0
-20
-40
-0.05
-0.1
-0.15
-0.2
-0.25
-60
-80
-100
0
0.5
1
1.5
2
2.5
3
0
0.05
0.1
0.15
0.2
0.25
Frequency (Fs)
Frequency (Fs)
Figure 41 DAC Digital Filter Frequency Response –Type 3
Figure 42 DAC Digital Filter Ripple –Type 3
ADC FILTER RESPONSES
0.02
0.01
0
0
-20
-40
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
-60
-80
-100
0
0.5
1
1.5
2
2.5
3
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
Frequency (Fs)
Frequency (Fs)
Figure 43 ADC Digital Filter Frequency Response –Type 0
Figure 44 ADC Digital Filter Ripple –Type 0
0.02
0.01
0
0
-20
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
-40
-60
-80
-100
0
0.5
1
1.5
2
2.5
3
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
Frequency (Fs)
Frequency (Fs)
Figure 45 ADC Digital Filter Frequency Response –Type 1
Figure 46 ADC Digital Filter Ripple –Type 1
PD, Rev 4.8, April 2009
57
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