Advanced Information
WM8753L
DAC FILTER RESPONSES
0.02
0.01
0
0
-20
-40
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
-60
-80
-100
0
0.5
1
1.5
2
2.5
3
Frequency (Fs)
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
Frequency (Fs)
Figure 28 DAC Digital Filter Frequency Response – Type 0
Figure 29 DAC Digital Filter Ripple – Type 0
0.02
0
0.01
0
-20
-40
-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 30 DAC Digital Filter Frequency Response – Type 1
Figure 31 DAC Digital Filter Ripple – Type 1
0.02
0.01
0
0
-20
-0.01
-0.02
-0.03
-0.04
-0.05
-0.06
-40
-60
-80
-100
0
0.05
0.1
0.15
0.2
0.25
0
0.5
1
1.5
2
2.5
3
Frequency (Fs)
Frequency (Fs)
Figure 32 DAC Digital Filter Frequency Response – Type 2
Figure 33 DAC Digital Filter Ripple – Type 2
AI Rev 3.1 June 2004
78
w
WOLFSON [ WOLFSON MICROELECTRONICS PLC ]
