XWM8739SEDS/V View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'XWM8739SEDS/V' PDF : 37 Pages View PDF
WM8739
Production Data
0.02
0
0.01
-20
0
-0.01
-40
-0.02
-60
-0.03
-0.04
-80
-0.05
-100
0
0.5
1
1.5
2
2.5
3
Frequency (Fs)
-0.06
0
0.05
0.1
0.15
0.2
0.25
Frequency (Fs)
Figure 27 ADC Digital Filter Frequency Response –Type 3 Figure 28 ADC Digital Filter Ripple –Type 3
ADC HIGH PASS FILTER
The WM8739 has a selectable digital high pass filter to remove DC offsets. The filter response is
characterised by the following polynomial.
H(z) = 1 – z-1
1 – 0.9995 z-1
w
PD, Rev 4.2, July 2008
33
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