Figure 14. Fft - Analog In To Digital Out - No Input; Figure 15. Fft Crosstalk - Analog In To Digital Out @ -1 Dbfs; Figure 16. Freq. Response - Analog In To Digital Out; Figure 17. Fade-To-Noise Linearity - Analog In To Digital Out - Cirrus Logic CDB42L56 Manual

+0
-10
-20
-30
-40
-50
-60
d
B
-70
F
S
-80
-90
-100
-110
-120
-130
-140
20 50 100 200

Figure 14. FFT - Analog In to Digital Out - No Input

+5
+4.5
+4
+3.5
+3
+2.5
+2
+1.5
+1
+0.5
d
B
+0
F
-0.5
S
-1
-1.5
-2
-2.5
-3
-3.5
-4
-4.5
-5
20 50 100 200

Figure 16. Freq. Response - Analog In to Digital Out

-60
-62
-64
-66
-68
-70
-72
-74
-76
d
-78
B
-80
r
-82
A
-84
-86
-88
-90
-92
-94
-96
-98
-100
20 50 100 200

Figure 18. THD+N vs. Freq. - Digital In to HP Out

22
500 1k 2k 5k 10k 20k
Hz
500 1k 2k 5k 10k 20k
Hz
500 1k 2k 5k 10k 20k
Hz
+0
-10
-20
-30
-40
-50
-60
d
B
-70
F
S
-80
-90
-100
-110
-120
-130
-140
20 50 100 200 500
Figure 15.
FFT Crosstalk - Analog In to Digital Out
@ -1 dBFS
+40
T T TTT T T T T
+35
+30
+25
+20
+15
+10
+5
d
B
+0
F
S
-5
-10
-15
-20
-25
-30
-35
-40
-140 -120 -100
Figure 17. Fade-to-Noise Linearity - Analog In to Digital
-60
-62
-64
-66
-68
-70
-72
-74
-76
d
-78
B
-80
r
-82
A
-84
-86
-88
-90
-92
-94
-96
-98
-100
-120 -100 -80
Figure 19.
THD+N vs. Amplitude - Digital In to HP Out
CDB42L56
1k 2k 5k 10k 20k
Hz
-80 -60 -40 -20 +0
dBr
Out
-60 -40 -20 +0
dBFS
DS851DB1