|
CS43130 Datasheet, PDF (124/137 Pages) Cirrus Logic – 130-dB, 32-Bit High-Performance DAC with Integrated Headphone Driver | |||
|
◁ |
9.1.3
CS43130
9.1 Digital Filter Response
Combined Filter ResponseâSingle Speed (Fs = 44.1 and 48 kHz, Slow Roll-Off)
0.02
0
0.015
â20
0.01
â40
0.005
0
â0.005
â60
â80
â100
â120
â0.01
â140
â0.015
â160
â180
â0.02
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 9-13. Passband Ripple
Figure 9-14. Stopband Attenuation
1.2
1
0.8
0.6
0.4
0.2
0
â0.2
â0.4
â0.6
0
500
1000
1500
2000
Time (µs)
Figure 9-15. Impulse ResponseâLinear Phase
2500
1.2
1
0.8
0.6
0.4
0.2
0
â0.2
â0.4
â0.6
0
500
1000
1500
2000
2500
Time (µs)
Figure 9-16. Impulse ResponseâMinimum Phase
1.2
1
0.8
0.6
0.4
0.2
0
0
500
1000
1500
2000
Time (µs)
Figure 9-17. Step ResponseâLinear Phase
2500
1.2
1
0.8
0.6
0.4
0.2
0
0
500
1000
1500
2000
Time (µs)
Figure 9-18. Step ResponseâMinimum Phase
2500
124
DS1073F1
|
▷ |