Adc Filter Plots; Figure 30.Adc Single-Speed Stopband Rejection; Figure 31.Adc Single-Speed Stopband Rejection; Figure 32.Adc Single-Speed Transition Band (Detail) - Cirrus Logic CS4265 Manual

9. ADC FILTER PLOTS

0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
0.0 0.1 0.2 0.3
Frequency (norm alized to Fs)
Figure 30. ADC Single-Speed Stopband Rejection
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
0.45 0.46 0.47 0.48
Frequency (norm alized to Fs)
Figure 32. ADC Single-Speed Transition Band (Detail)
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
0.0 0.1 0.2 0.3
Frequency (norm alized to Fs)
Figure 34. ADC Double-Speed Stopband Rejection
50
0.4 0.5 0.6 0.7 0.8 0.9
0.49 0.5 0.51 0.52 0.53 0.54
0.4 0.5 0.6 0.7 0.8 0.9
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
0.40 0.42 0.44
1.0
Figure 31. ADC Single-Speed Stopband Rejection
0.10
0.08
0.06
0.04
0.02
0.00
-0.02
-0.04
-0.06
-0.08
-0.10
0 0.05
0.55
Figure 33. ADC Single-Speed Passband Ripple
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
-130
-140
1.0
0.40 0.42 0.44
Figure 35. ADC Double-Speed Stopband Rejection
0.46 0.48 0.50 0.52 0.54
Frequency (norm alized to Fs)
0.1 0.15 0.2 0.25 0.3 0.35
Frequency (norm alized to Fs)
0.46 0.48 0.50 0.52 0.54
Frequency (norm alized to Fs)
CS4265
0.56 0.58 0.60
0.4 0.45 0.5
0.56 0.58 0.60
DS657F3