Cirrus Logic CS42L42 Manual page 174

9.1.6 DAC to HP, Fs
2
1
0
−1
−2
−3
−4
−5
0 0.05 0.1 0.15
Frequency (Normalised to Fs)
Figure 9-19. Passband—DAC, Fs
0
−10
−20
−30
−40
−50
−60
−70
−80
−90
−100
0.4 0.42 0.44 0.46
Frequency (Normalised to Fs)
Figure 9-21. Transition Band—DAC, Fs
0
−100
−200
−300
−400
−500
−600
−700
0 0.05 0.1 0.15
Frequency Normalised to Fs
Figure 9-23. Phase Response—DAC, Fs
DS1083F2
= 48.000 kHz, MCLK = 125 x LRCK
int
0.2 0.25 0.3 0.35 0.4 0.45
= 48.000 kHz
int
0.48 0.5 0.52 0.54 0.56 0.58
= 48.000 kHz
int
0.2 0.25 0.3 0.35 0.4 0.45
= 48.000 kHz
int
0
−10
−20
−30
−40
−50
−60
−70
−80
−90
−100
0.5 0 0.5
Figure 9-20. Stopband—DAC, Fs
0
−5
−10
−15
−20
−25
−30
−35
−40
0.6
0.45 0.46 0.47
Figure 9-22. Transition Band (Detail)—DAC,
0.5
9.1 Digital Filter Response
1 1.5 2
Frequency (Normalised to Fs)
= 48.000 kHz
int
0.48 0.49 0.5 0.51 0.52 0.53
Frequency (Normalised to Fs)
Fs = 48.000 kHz
int
CS42L42
2.5 3
0.54 0.55
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