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CS43130 Datasheet, PDF (127/137 Pages) Cirrus Logic – 130-dB, 32-Bit High-Performance DAC with Integrated Headphone Driver | |||
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9.1.6 Combined Filter ResponseâDouble Speed (Fast Roll-Off)
CS43130
9.1 Digital Filter Response
0.06
0.04
0.02
0
â0.02
â0.04
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 9-31. Passband Ripple
1.2
1
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0.6
0.4
0.2
0
â0.2
â0.4
â0.6
0
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600
Time (µs)
Figure 9-33. Impulse ResponseâLinear Phase
1.2
1
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0.2
0
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Time (µs)
Figure 9-35. Step ResponseâLinear Phase
0
â20
â40
â60
â80
â100
â120
â140
â160
â180
0.4
0.5
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0.7
0.8
0.9
1
Frequency (Normalized to Fs)
Figure 9-32. Stopband Attenuation
1.2
1
0.8
0.6
0.4
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0
â0.2
â0.4
â0.6
0
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600
Time (µs)
Figure 9-34. Impulse ResponseâMinimum Phase
1.2
1
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0.2
0
0
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Time (µs)
Figure 9-36. Step ResponseâMinimum Phase
DS1073F1
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