Figure 5. fft (48 khz, -60 db wideband), Figure 6. fft (imd 48 khz), Figure 7. 48 khz, thd+n vs. input freq – Cirrus Logic CDB4365 User Manual
Page 8: Figure 8. 48 khz, thd+n vs. level, Figure 9. 48 khz, fade-to-noise linearity, Figure 10. 48 khz, frequency response, Cdb4365
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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
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