CS43130 Datasheet, PDF (123/137 Pages) Cirrus Logic – 130-dB, 32-Bit High-Performance DAC with Integrated Headphone Driver

9.1.2
CS43130
9.1 Digital Filter Response
Combined Filter Response—Single Speed (Fs = 32 kHz, Fast Roll-Off)
0.02
0
0.015
−20
0.01
−40
0.005
0
−0.005
−60
−80
−100
−120
−0.01
−140
−0.015
−160
−180
−0.02
0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5
0.4
0.5
0.6
0.7
0.8
0.9
1
Frequency (Normalized to Fs)
Frequency (Normalized to Fs)
Figure 9-7. Passband Ripple
Figure 9-8. Stopband Attenuation
1.2
1
0.8
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
0
500 1000 1500 2000 2500
Time (µs)
Figure 9-9. Impulse Response—Linear Phase
3000
1.2
1
0.8
0.6
0.4
0.2
0
−0.2
−0.4
−0.6
0
500 1000 1500 2000 2500 3000
Time (µs)
Figure 9-10. Impulse Response—Minimum Phase
1.2
1
0.8
0.6
0.4
0.2
0
0
500 1000 1500 2000 2500
Time (µs)
Figure 9-11. Step Response—Linear Phase
3000
1.2
1
0.8
0.6
0.4
0.2
0
0
500 1000 1500 2000 2500
Time (µs)
Figure 9-12. Step Response—Minimum Phase
3000
DS1073F1
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