2 fsd mode typical performance plots, Figure 20. thd+n vs. output power - fsd mode r, Figure 21. thd+n vs. output power - fsd mode r – Cirrus Logic CS35L03 User Manual
Page 23: 8 figure 21. thd+n vs. output power - fsd mode r

CS35L01/03
DS909F1
23
6.2
FSD Mode Typical Performance Plots
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
%
1m
2
2m
5m
10m
20m
50m
100m
200m
500m
1
W
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
%
1m
4
2m
5m
10m
20m
50m
100m
200m
500m
1
2
W
Figure 20. THD+N vs. Output Power - FSD Mode
R
L
= 8
Figure 21. THD+N vs. Output Power - FSD Mode
R
L
= 4
5.0 V
4.2 V
3.7 V
5.0 V
4.2 V
3.7 V
0.001
10
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
%
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
0.001
10
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
%
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
Figure 22. THD+N vs. Frequency - FSD Mode
VBATT = 5.0 V
Figure 23. THD+N vs.
Frequency - FSD Mode VBATT = 4.2 V
1.0 W
0.5 W
0.75 W
0.5 W
0.1 W
0.1 W
0.001
10
0.002
0.005
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
%
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
-4
+4
-3.5
-3
-2.5
-2
-1.5
-1
-0.5
+0
+0.5
+1
+1.5
+2
+2.5
+3
+3.5
d
B
r
A
20
20k
50
100
200
500
1k
2k
5k
10k
Hz
Figure 24. THD+N vs. Frequency - FSD Mode
VBATT = 3.7 V
Figure 25. Frequency Response - FSD Mode
0.625 W
0.1 W
0.5 W
4
8