Figure 20.Thd+N Vs Volume - Digital In To Hp Out; Figure 21.Fft - Digital In To Hp Out @ 0 Dbfs; Figure 22.Fft - Digital In To Hp Out @ -60 Dbfs; Figure 23.Fft - Digital In To Hp Out - No Input - Cirrus Logic CDB42L55 Manual

-60
-65
-70
-75
-80
Master Volume
d
-85
B
-90
r
-95
A
-100
-105
-110
-115
-120
-50 -40
Figure 20. THD+N vs. Volume - Digital In to HP Out
+0
-20
-40
d
-60
B
r
-80
A
-100
-120
-140
20 50 100 200
Figure 22. FFT - Digital In to HP Out @ -60 dBFS
+3
+2
+1
d
B
+0
r
A
-1
-2
-3
20 50 100 200
Figure 24. Freq. Response - Digital In to HP Out
DS773DB1
(Digital)
Headphone Volume
(Analog)
-30 -20 -10
dBr A
500 1k 2k 5k 10k 20k
Hz
500 1k 2k 5k 10k 20k
Hz
+0
-20
-40
d
-60
B
r
-80
A
-100
-120
-140
20 50
+0
Figure 21.
+0
-20
-40
d
-60
B
r
-80
A
-100
-120
-140
20 50
Figure 23. FFT - Digital In to HP Out - no input
+40
+30
+20
d
+10
B
+0
r
-10
A
-20
-30
-40
-125
Figure 25. Fade-to-Noise Linearity- Digital In to HP Out
CDB42L55
100 200 500 1k 2k
Hz
FFT - Digital In to HP Out @ 0 dBFS
100 200 500 1k 2k 5k
Hz
-100 -75 -50
dBFS
5k 10k 20k
10k 20k
-25 +0
21