Cirrus Logic CDB4365 - Manual (Page 14)

14 DS670DB3
CDB4365
-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 31. FFT (192 kHz, No Input) Figure 32. FFT (192 kHz Out-of-Band, No Input)
-150
+0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
2k 20k 4k 6k 8k 10k 12k 14k 16k 18k
Hz
-150
+0
-140
-130
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
20 90k 50 100 200 500 1k 2k 5k 10k 20k 50k
Hz
Figure 33. FFT (192 kHz, -60 dB Wideband) Figure 34. FFT (IMD 192 kHz)
-120
+0
-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
-120
+0
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
d
B
r
A
-120 +0 -100 -80 -60 -40 -20
dBFS
Figure 35. 192 kHz, THD+N vs. Input Freq Figure 36. 192 kHz, THD+N vs. Level