CS3511
6. TYPICAL AUDIO PERFORMANCE PLOTS
Test Conditions (unless otherwise specified): All plots were taken using the CRD3511 Reference Design Board
sourced with a differential input; T = 25°C; 10 Hz to 20 kHz Measurement Bandwidth; Performance measurements
A
taken with a 997 Hz sine wave and AES17 measurement filter; GAIN1 = 0, GAIN0 = 1; VP = 12 VDC.
10
5
10
5
2
1
2
1
12.0 V
9.0 V
12.0 V
9.0 V
0.5
0.5
%
%
%
%
0.2
0.1
0.2
0.1
0.05
0.05
0.02
0.01
0.02
0.01
10m
20m
50m
100m
200m
500m
W
1
2
5
10
20
10m
20m
50m
100m
200m
500m
W
1
2
5
10
20
Figure 5. THD+N vs. Output Power (RL= 8 Ω)
Figure 6. THD+N vs. Output Power (RL= 6 Ω)
10
5
10
5
2
1
2
1
0.5
0.5
%
0.2
0.1
0.2
0.1
10 kHz
10 kHz
1 kHz
0.05
0.05
1 kHz
100 Hz
100 Hz
0.02
0.02
0.01
0.01
0.007
0.007
10m
20m
50m
100m
200m
500m
W
1
2
5
10
20
1m
2m
5m
10m
20m
50m
100m
200m
500m
1
2
5
10
20
W
Figure 7. THD+N vs. Output Power (RL= 8 Ω)
Figure 8. THD+N vs. Output Power (RL= 6 Ω)
10
5
10
5
2
1
2
1
0.5
0.5
%
0.2
0.1
0.2
0.1
GAIN=01
GAIN=01 GAIN=10
GAIN=00
GAIN=10
GAIN=11
GAIN=11
0.05
0.05
0.02
0.01
0.02
0.01
GAIN=00
10m
20m
50m
100m
200m
500m
W
1
2
5
10
20
10m
20m
50m
100m
200m
500m
1
2
5
10
20
W
Figure 9. THD+N vs. Output Power (RL= 8 Ω)
Figure 10. THD+N vs. Output Power (RL= 6 Ω)
18
DS845F1
CIRRUS [ CIRRUS LOGIC ]
