Figure 47. frequency response with 0 dbfs input, Figure 48. passband ripple, 192 khz:48 khz, Cs8421 – Cirrus Logic CS8421 User Manual
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CS8421
CS8421
-150
-120
-147.5
-145
-142.5
-140
-137.5
-135
-132.5
-130
-127.5
-125
-122.5
d
B
F
S
50k
175k
75k
100k
125k
150k
Hz
-150
-120
-147.5
-145
-142.5
-140
-137.5
-135
-132.5
-130
-127.5
-125
-122.5
d
B
F
S
50k
175k
75k
100k
125k
150k
Hz
Figure 45. Dynamic Range vs. Output Sample Rate,
-60 dBFS 1 kHz Tone, Fsi = 96 kHz
-140
+0
-120
-100
-80
-60
-40
-20
d
B
F
S
0
60k
10k
20k
30k
40k
50k
Hz
192 kHz:32 kHz
192 kHz:48 kHz
192 kHz:96 kHz
-0.2
+0
-0.18
-0.16
-0.14
-0.12
-0.1
-0.08
-0.06
-0.04
-0.02
d
B
F
S
0
25k
5k
10k
15k
20k
Hz
Figure 47. Frequency Response with 0 dBFS Input
Figure 48. Passband Ripple, 192 kHz:48 kHz
-150
-120
-147.5
-145
-142.5
-140
-137.5
-135
-132.5
-130
-127.5
-125
-122.5
d
B
F
S
50k
175k
75k
100k
125k
150k
Hz
-140
+0
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
F
S
-140
+0
-120
-100
-80
-60
-40
-20
dBFS
Figure 49. Dynamic Range vs. Output Sample Rate,
-60 dBFS 1 kHz Tone, Fsi = 48 kHz