CS43130 Datasheet, PDF (132/137 Pages) Cirrus Logic – 130-dB, 32-Bit High-Performance DAC with Integrated Headphone Driver

9.1.12 Combined Filter Response—Quad Speed (NOS = 1)
CS43130
9.1 Digital Filter Response
0
−0.5
−1
−1.5
−2
−2.5
−3
−3.5
−4
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 9-61. Passband Ripple
0
−20
−40
−60
−80
−100
−120
−140
−160
−180
0
0.2
0.4
0.6
0.8
1
1.2
Frequency (Normalized to Fs)
Figure 9-62. Stopband Attenuation
1.2
1
0.8
0.6
0.4
0.2
0
−0.2
0
10 20 30 40 50 60 70 80
Time (µs)
Figure 9-63. Impulse Response
90 100
9.1.13 Combined Filter Response—DSD
0.01
0
−0.01
−0.02
−0.03
−0.04
−0.05
−0.06
−0.07
−0.08
−0.09
−0.1
0
5
10
15
20
25
30
Frequency (NHz)
Figure 9-65. Passband Ripple
1.2
1
0.8
0.6
0.4
0.2
0
−0.2
0 10 20 30 40 50 60 70 80 90 100
Time (µs)
Figure 9-64. Step Response
0
−20
−40
−60
−80
−100
−120
−140
−160
−180
0 200 400 600 800 1000 1200
Frequency (NHz)
Figure 9-66. Stopband Attenuation
1400
132
DS1073F1