CS35L00_11 Datasheet, PDF (23/34 Pages) Cirrus Logic – 2.8 W Mono Class-D Audio Amplifier with Low Idle Current

6.2 FSD Mode Typical Performance Plots
10
5
5.0 V
4.2 V
2
3.7 V
1
0.5
%
0.2
0.1
0.05
0.02
0.01
1m
2m
5m
10m
20m
50m
W
100m
200m
500m
1
2
Figure 20. THD+N vs. Output Power - FSD Mode
R_L = 8 Ω
10
5
2
1
0.5
0.2
%
0.1
0.05
0.02
0.01
0.005
0.1 W
1.0 W
0.5 W
0.002
0.001
20
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 22. THD+N vs. Frequency - FSD Mode
VBATT = 5.0 V
10
5
2
0.625 W
1
0.5
0.2
%
0.1
0.05
0.02
0.01
0.005
0.1 W
0.5 W
0.002
20
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 24. THD+N vs. Frequency - FSD Mode
VBATT = 3.7 V
CS35L00
10
5
2
1
0.5
%
0.2
0.1
0.05
5.0 V
4.2 V
3.7 V
0.02
0.01
1m
2m
5m
10m
20m
50m
W
100m
200m
500m
1
2
3
Figure 21. THD+N vs. Output Power - FSD Mode
R_L = 4 Ω
10
5
2
1
0.5
0.2
%
0.1
0.05
0.02
0.01
0.005
0.1 W
0.75 W
0.5 W
0.002
20
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 23. THD+N vs. Frequency - FSD Mode
VBATT = 4.2 V
+4
+3.5
+3
+2.5
+2
+1.5
+1
+0.5
d
B
r
+0
A
-0.5
-1
-1.5
-2
-2.5
-3
-3.5
-4
20
4Ω
8Ω
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 25. Frequency Response - FSD Mode
DS906PP1
23