CS43130 Datasheet, PDF (125/137 Pages) Cirrus Logic – 130-dB, 32-Bit High-Performance DAC with Integrated Headphone Driver

9.1.4
CS43130
9.1 Digital Filter Response
Combined Filter Response—Single Speed (Fs = 44.1 and 48 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 9-19. Passband Ripple
Figure 9-20. 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
Time (µs)
Figure 9-21. Impulse Response—Linear Phase
2500
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 9-22. Impulse Response—Minimum Phase
1.2
1
0.8
0.6
0.4
0.2
0
0
500
1000
1500
2000
Time (µs)
Figure 9-23. Step Response—Linear Phase
2500
1.2
1
0.8
0.6
0.4
0.2
0
0
500
1000
1500
2000
Time (µs)
Figure 9-24. Step Response—Minimum Phase
2500
DS1073F1
125