Cirrus Logic CS35L03 - Manual (Page 23)

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 