WM8753LEB/RV WOLFSON [Wolfson Microelectronics plc], WM8753LEB/RV Datasheet - Page 83
![no-image](/images/no-image-200.jpg)
WM8753LEB/RV
Manufacturer Part Number
WM8753LEB/RV
Description
HI FI AND TELEPHONY DUAL CODEC
Manufacturer
WOLFSON [Wolfson Microelectronics plc]
Datasheet
1.WM8753LEBRV.pdf
(87 pages)
- Current page: 83 of 87
- Download datasheet (2Mb)
Figure 56 ADC Highpass Filter Response, HPMODE[1:0] = 00
Figure 57 ADC Highpass Filter Response, HPMODE[1:0] = 01
WM8753L
HIGHPASS FILTER
The WM8753 has a selectable digital highpass filter in the ADC filter path to remove DC offsets.
HPMODE[1:0] = 00
The filter response is characterised by the following polynomial:
H(z) =
HPMODE[1:0] = 01
The filter response is characterised by the following polynomial:
H(z) =
w
-10
-15
-10
-15
-20
-25
-5
-5
0.0000
5
0
5
0
0.00
1 – 0.9995z
1 – 0.96875z
1 – z
1 – z
0.01
-1
-1
0.0005
-1
-1
0.02
Frequency (Fs)
Fre quency (Fs)
0.0010
0.03
0.0015
0.04
0.0020
0.05
AI Rev 3.1 June 2004
Advanced Information
83
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