Figure 28. dac single speed (slow) passband ripple, Figure 30. dac double speed (fast) transition band, Figure 32. dac double speed (fast) passband ripple – Cirrus Logic CS4272 User Manual
Page 48: Cs4272
CS4272
48
DS593F1
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0.02
0.015
0.01
0.005
0
0.005
0.01
0.015
0.02
Frequency(normalized to Fs)
Amplitude (dB)
0.45
0.46
0.47
0.48
0.49
0.5
0.51
0.52
0.53
0.54
0.55
10
9
8
7
6
5
4
3
2
1
0
Frequency(normalized to Fs)
Amplitude (dB)
Figure 27. DAC Single Speed (slow) Transition Band (detail)
Figure 28. DAC Single Speed (slow) Passband Ripple
0.4
0.5
0.6
0.7
0.8
0.9
1
120
100
80
60
40
20
0
Frequency(normalized to Fs)
Amplitude (dB)
0.4
0.42
0.44
0.46
0.48
0.5
0.52
0.54
0.56
0.58
0.6
120
100
80
60
40
20
0
Frequency(normalized to Fs)
Amplitude (dB)
Figure 29. DAC Double Speed (fast) Stopband Rejection
Figure 30. DAC Double Speed (fast) Transition Band
0.45
0.46
0.47
0.48
0.49
0.5
0.51
0.52
0.53
0.54
0.55
10
9
8
7
6
5
4
3
2
1
0
Frequency(normalized to Fs)
Amplitude (dB)
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
0.02
0.015
0.01
0.005
0
0.005
0.01
0.015
0.02
Frequency(normalized to Fs)
Amplitude (dB)
Figure 31. DAC Double Speed (fast) Transition Band (detail)
Figure 32. DAC Double Speed (fast) Passband Ripple