CS42416
10.APPENDIX C: ADC FILTER PLOTS
0
-10
0
-10
-20
-20
-30
-30
-40
-40
-50
-50
-60
-60
-70
-70
-80
-80
-90
-90
-100
-110
-120
-130
-140
-100
-110
-120
-130
-140
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0.40
0.42
0.44
0.46
0.48
0.50
0.52
0.54
0.56
0.58
0.60
Frequency (normalized to Fs)
Frequency (normalized to Fs)
Figure 27. Single-Speed Mode Stopband Rejection
Figure 28. Single-Speed Mode Transition Band
0.10
0.08
0.05
0.03
0.00
-0.03
-0.05
-0.08
-0.10
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
0.45
0.46
0.47
0.48
0.49
0.50
0.51
0.52
0.53
0.54
0.55
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
Frequency (normalized to Fs)
Frequency (normalized to Fs)
Figure 29. Single-Speed Mode Transition Band (Detail)
Figure 30. Single-Speed Mode Passband Ripple
0
-10
0
-10
-20
-20
-30
-30
-40
-40
-50
-50
-60
-60
-70
-70
-80
-80
-90
-90
-100
-110
-120
-130
-140
-100
-110
-120
-130
-140
0.40
0.43
0.45
0.48
0.50
0.53
0.55
0.58
0.60
0.63
0.65
0.68
0.70
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
Frequency (normalized to Fs)
Frequency (normalized to Fs)
Figure 31. Double-Speed Mode Stopband Rejection
Figure 32. Double-Speed Mode Transition Band
64
DS602F1
CIRRUS [ CIRRUS LOGIC ]
