WM8753L
Advanced Information
0.25
0.2
0
0.15
0.1
-20
-40
-60
-80
0.05
0
-0.05
-0.1
-0.15
-0.2
-0.25
-100
0
0.5
1
1.5
2
2.5
3
0
0.05
0.1
0.15
0.2
0.25
Frequency (Fs)
Frequency (Fs)
Figure 34 DAC Digital Filter Frequency Response – Type 3 Figure 35 DAC Digital Filter Ripple – Type 3
ADC FILTER RESPONSES
0.04
0
0.03
-20
0.02
0.01
-40
0
-60
-80
-0.01
-0.02
-0.03
-0.04
-100
0
0.5
1
1.5
2
2.5
3
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
Frequency (Fs)
Frequency (Fs)
Figure 36 ADC Digital Filter Frequency Response – Type 0 Figure 37 ADC Digital Filter Ripple – Type 0
0.02
0
0.01
-20
-40
0
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
-60
-80
-100
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0
0.5
1
1.5
2
2.5
3
Frequency (Fs)
Frequency (Fs)
Figure 38 ADC Digital Filter Frequency Response – Type 1 Figure 39 ADC Digital Filter Ripple – Type 1
AI Rev 3.1 June 2004
79
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
