WM8781GEDS/V View Datasheet(PDF) - Cirrus Logic
Part Name
Description
MFG CO.
'WM8781GEDS/V' PDF : 21 Pages View PDF
Production Data
WM8781
ADC HIGH PASS FILTER
The WM8781 has a digital highpass filter to remove DC offsets. The filter response is characterised by the following
polynomial.
H(z) =
1 - z-1
1 - 0.9995z-1
0
-5
-10
-15
0
0.0005
0.001
0.0015
Frequency (Fs)
Figure 14 ADC Highpass Filter Response
0.002
w
PD, January 2012, Rev 4.5
17
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