CS4354 Datasheet, PDF (19/25 Pages) Cirrus Logic – 5 V Stereo DAC with 2 VRMS Ground-centered Output

CS4354
5. COMBINED DIGITAL AND ON-CHIP ANALOG FILTER RESPONSE PLOTS
Single−Speed Stopband Rejection
Single−Speed Transition Band
0
0
−20
−20
−40
−40
−60
−60
−80
−80
−100
−100
−120
0.4
0.5
0.6
0.7
0.8
0.9
1
Frequency(normalized to Fs)
Figure 10. Single-Speed Stopband Rejection
Single−Speed Transition Band Detail
0
−1
−2
−3
−4
−5
−6
−7
−8
−9
−10
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)
Figure 12. Single-Speed Transition Band (detail)
−120
0.4
0.42 0.44 0.46 0.48
0.5
0.52 0.54 0.56 0.58
0.6
Frequency(normalized to Fs)
Figure 11. Single-Speed Transition Band
Single−Speed Passband Ripple
0.06
0.04
0.02
0
−0.02
−0.04
−0.06
0
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
Frequency(normalized to Fs)
Figure 13. Single-Speed Passband Ripple
Double−Speed Stopband Rejection
0
Double−Speed Transition Band
0
−20
−20
−40
−40
−60
−60
−80
−80
−100
−100
−120
0.4
0.5
0.6
0.7
0.8
0.9
1
Frequency(normalized to Fs)
Figure 14. Double-Speed Stopband Rejection
−120
0.4
0.42 0.44 0.46 0.48
0.5
0.52 0.54 0.56 0.58
0.6
Frequency(normalized to Fs)
Figure 15. Double-Speed Transition Band
DS895A2
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