Cirrus Logic CDB4365 - Manual (Page 8)

8 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
2k 20k 4k 6k 8k 10k 12k 14k 16k 18k
Hz
Figure 5. FFT (48 kHz, -60 dB Wideband) Figure 6. FFT (IMD 48 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 7. 48 kHz, THD+N vs. Input Freq Figure 8. 48 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 9. 48 kHz, Fade-to-Noise Linearity Figure 10. 48 kHz, Frequency Response