wm8988 Wolfson Microelectronics plc, wm8988 Datasheet - Page 48
wm8988
Manufacturer Part Number
wm8988
Description
Stereo Codec For Portable Audio Applications
Manufacturer
Wolfson Microelectronics plc
Datasheet
1.WM8988.pdf
(56 pages)
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WM8988
Figure 21 DAC Digital Filter Frequency Response – Type 0 Figure 22 DAC Digital Filter Ripple – Type 0
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Figure 23 DAC Digital Filter Frequency Response – Type 1 Figure 24 DAC Digital Filter Ripple – Type 1
Figure 25 DAC Digital Filter Frequency Response – Type 2 Figure 26 DAC Digital Filter Ripple – Type 2
DAC FILTER RESPONSES
-100
-100
-100
-20
-40
-60
-80
-20
-40
-60
-80
-20
-40
-60
-80
0
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
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
0.02
0.01
0.02
0.01
0.02
0.01
0
0
0
0
0
0
0.05
0.05
0.05
0.1
0.1
0.15
0.15
0.2
0.2
0.1
Frequency (Fs)
Frequency (Fs)
Frequency (Fs)
0.25
0.25
0.15
0.3
0.3
PD, Rev 4.0, October 2008
0.35
0.35
0.4
0.4
0.2
0.45
0.45
Production Data
0.25
0.5
0.5
48