8 APPENDIX B: 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
0.40 0.42 0.44 0.46 0.48 0.50 0.52
0.54 0.56 0.58 0.60
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 32. SSM Stopband Rejection
Figure 33. SSM Transition Band
0
-1
0.10
0.08
0.06
-2
-3
0.04
-4
0.02
-5
0.00
-6
-0.02
-0.04
-0.06
-0.08
-0.10
-7
-8
-9
-10
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0.45 0.46 0.47 0.48 0.49
0.5
0.51 0.52 0.53 0.54 0.55
Frequency (normalized to Fs)
Frequency (normalized to Fs)
Figure 34. SSM Transition Band (Detail)
Figure 35. SSM Passband Ripple
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-100
-110
-120
-130
-140
-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 36. DSM Stopband Rejection
Figure 37. DSM Transition Band
60
DS648PP2
CIRRUS [ CIRRUS LOGIC ]
