WM8753 Wolfson Microelectronics plc, WM8753 Datasheet - Page 84

• Manufacturer Part Number: WM8753
• Description: HI FI AND TELEPHONY DUAL CODEC
• Manufacturer: Wolfson Microelectronics plc

Figure 58 ADC Highpass Filter Response, HPMODE[1:0] = 10
Figure 59 ADC Highpass Filter Response, HPMODE[1:0] = 11
Advanced Information
HPMODE[1:0] = 10
The filter response is characterised by the following polynomial:
H(z) =
HPMODE[1:0] = 11
The filter response is characterised by the following polynomial:
H(z) =
w
-10
-15
-20
-25
-30
-10
-15
-20
-25
-30
-5
-5
5
0
5
0
0.00
0.00
1 – 0.9375z
1 – 0.875z
0.01
1 – z
1 – z
0.02
0.01
-1
-1
-1
-1
0.03
0.04
0.02
Freque ncy (Fs)
Frequency (Fs)
0.05
0.06
0.03
0.07
0.08
0.04
0.09
0.10
0.05
AI Rev 3.1 June 2004
WM8753L
84