Figure 47. fft (96 khz, no input), Figure 48. fft (96 khz out-of-band, no input), Figure 49. 96 khz, thd+n vs. input freq – Cirrus Logic CDB4270 User Manual
Page 33: Figure 50. 96 khz, thd+n vs. level, Figure 51. 96 khz, fade-to-noise linearity, Figure 52. 96 khz, frequency response, Cdb4270
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DS686DB3
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CDB4270
-150
+0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
-150
+0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
20k
120k
40k
60k
80k
100k
Hz
Figure 47. FFT (96 kHz, No Input)
Figure 48. FFT (96 kHz Out-of-Band, No Input)
-110
+0
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
-110
+0
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
-120
+0
-100
-80
-60
-40
-20
dBFS
Figure 49. 96 kHz, THD+N vs. Input Freq
Figure 50. 96 kHz, THD+N vs. Level
-40
+40
-35
-30
-25
-20
-15
-10
-5
+0
+5
+10
+15
+20
+25
+30
+35
d
B
r
A
-140
+0
-120
-100
-80
-60
-40
-20
dBFS
-5
+5
-4
-3
-2
-1
+0
+1
+2
+3
+4
d
B
r
A
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
Figure 51. 96 kHz, Fade-to-Noise Linearity
Figure 52. 96 kHz, Frequency Response
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