CS35L01 Datasheet, PDF (21/34 Pages) Cirrus Logic – 2.9 W Mono Class-D Audio Amplifier with Low Idle Current

CS35L01/03
6. TYPICAL PERFORMANCE PLOTS
Test Conditions (unless otherwise specified): GND = 0 V; All voltages with respect to ground; A_V = 6 dB; Input Signal = 997 Hz
Differential Sine; T_A = 25°C; VBATT = 5.0 V; R_L = 8 Ω; 10 Hz to 20 kHz Measurement Bandwidth; Measurements taken with
AES17 measurement filter and Audio Precision AUX-0025 passive filter.
6.1 SD Mode Typical Performance Plots
10
5
5.0 V
2
4.2 V
3.7 V
1
0.5
%
0.2
0.1
0.05
0.02
0.01
0.007
1m
2m
5m
10m
20m
50m
W
100m
200m
500m
1
2
Figure 8. THD+N vs. Output Power - SD Mode
R_L = 8 Ω
10
5
2
1
0.5
0.2
%
0.1
1.0 W
0.05
0.1 W
0.02
0.01
0.005
0.5 W
0.002
0.001
20
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 10. THD+N vs. Frequency - SD Mode
VBATT = 5.0 V
10
5
2
1
0.5
0.2
%
0.1
0.625 W
0.05
0.1 W
0.02
0.01
0.005
0.5 W
0.002
0.001
20
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 12. THD+N vs. Frequency - SD Mode
VBATT = 3.7 V
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
0.007
1m
2m
5m
10m
20m
50m
W
100m
200m
500m
1
2
3
Figure 9. THD+N vs. Output Power - SD Mode
R_L = 4 Ω
10
5
2
1
0.5
0.2
%
0.1
0.75 W
0.05
0.1 W
0.02
0.01
0.005
0.5 W
0.002
0.001
20
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 11. THD+N vs. Frequency - SD 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 13. Frequency Response - SD Mode
DS909A2
21