Cirrus Logic CDB4349 - Manual (Page 11)

DS782DB1 11
CDB4349
-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
-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
Figure 25. FFT No Input, FS = 192 kHz Figure 26. FFT No Input Out of Band, FS = 192 kHz
-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
-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
Figure 27. Frequency Response 0 dBFS, FS = 192 kHz Figure 28. THD+N vs Frequency 0 dBFS, FS = 192 kHz
-110
+0
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
-120 +0 -100 -80 -60 -40 -20
dBFS
-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
Figure 29. THD+N vs Level 1 kHz, FS = 192 kHz Figure 30. Fade-to-Noise Linearity 1 kHz, FS = 192 kHz