wm8782a Wolfson Microelectronics plc, wm8782a Datasheet - Page 17

• Manufacturer Part Number: wm8782a
• Description: 24-bit, 192khz Stereo Adc
• Manufacturer: Wolfson Microelectronics plc

Production Data
w
ADC HIGH PASS FILTER
The WM8782A has a digital highpass filter to remove DC offsets. The filter response is characterised by the following
polynomial.
Figure 12 ADC Highpass Filter Response
H(z) =
-10
-15
-5
0
0
1 - 0.9995z
1 - z
0.0005
-1
-1
Frequency (Fs)
0.001
0.0015
0.002
PD, April 2010, Rev 4.8
WM8782A
17