WM8971L Wolfson Microelectronics Ltd., WM8971L Datasheet - Page 53
WM8971L
Manufacturer Part Number
WM8971L
Description
Stereo Codec for Portable Audio Applications
Manufacturer
Wolfson Microelectronics Ltd.
Datasheet
1.WM8971L.pdf
(61 pages)
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Figure 35 DAC Digital Filter Frequency Response – Type 3 Figure 36 DAC Digital Filter Ripple – Type 3
Figure 37 ADC Digital Filter Frequency Response – Type 0
Figure 39 ADC Digital Filter Frequency Response – Type 1
w
ADC FILTER RESPONSES
-100
-20
-40
-60
-80
-100
-100
0
-20
-40
-60
-80
-20
-40
-60
-80
0
0
0
0
0
0.5
0.5
0.5
1
1
1
Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
1.5
1.5
1.5
2
2
2
2.5
2.5
2.5
3
3
3
Figure 38 ADC Digital Filter Ripple – Type 0
Figure 40 ADC Digital Filter Ripple – Type 1
-0.05
-0.15
-0.25
0.25
0.15
0.05
-0.1
-0.2
0.2
0.1
0
-0.01
-0.02
-0.03
-0.04
0
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
0.04
0.03
0.02
0.01
0.02
0.01
0
0
0
0
0.05
0.05
0.05
0.1
0.1
0.15
0.15
0.1
Frequency (Fs)
0.2
0.2
Frequency (Fs)
Frequency (Fs)
0.25
0.15
0.25
0.3
0.3
PD Rev 4.1 August 2005
0.35
0.2
0.35
0.4
0.4
WM8971L
0.25
0.45
0.45
0.5
0.5
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