Cirrus Logic CS35L00 - Manual (Page 21)

CS35L00
DS906PP1 21
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 wave; 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
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 3 2m 5m 10m 20m 50m 100m 200m 500m 1 2
W
Figure 8. THD+N vs. Output Power - SD Mode
R
L
= 8 Ω
Figure 9. THD+N vs. Output Power - SD Mode
R
L
= 4 Ω
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
0.002
10
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 11. THD+N vs. Frequency - SD Mode
VBATT = 4.2 V
1.0 W
0.5 W
0.75 W
0.5 W
0.1 W
0.1 W
Figure 10. THD+N vs. Frequency - SD Mode
VBATT = 5.0 V
0.002
10
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 12. THD+N vs. Frequency - SD Mode
VBATT = 3.7 V
Figure 13. Frequency Response - SD Mode
0.625 W
0.1 W
0.5 W
4 Ω
8 Ω