FAN7031 Datasheet, PDF (7/20 Pages) Fairchild Semiconductor – 2W Stereo Power Amplifier with Four Selectable Gain Setting and Headphone Drive

Performance Characteristics(Continued)
FAN7031
10
5 ^{Single-ended mode}
VDD=5V
RL=32ohm
2 _Av=4.3dB
1
0.5
0.2
20kHz
0.1
1kHz
0.05
0.02
20Hz
0.01
100u
200u
500u 1m
2m
5m 10m 20m
50m
Output Power [W]
Figure 7. THD+N vs. Output Power
100m 200m
10
5
20kHz
21.6dB
BTL mode
VDD=5V
15.6dB
RL=4ohm
10.3dB
2
6dB
1
0.5
0.2
0.1
0.05 _1kHz
0.02
6dB
10.3dB
15.6dB
21.6dB
0.01
10m
20m
50m
100m
200m
500m
1
Output Power [W]
Figure 8. THD+N vs. Gain
23
10
5
20kHz
21.6dB
15.6dB
2
10.3dB
6dB
1
0.5
0.2
0.1
0.05 _1kHz
0.02
0.01
10m
20m
6dB
10.3dB
15.6dB
21.6dB
50m
100m
200m
500m
Output Power [W]
Figure 9. THD+N vs. Gain
BTL mode
VDD=3.3V
RL=4ohm
1
2
10
5
20kHz
21.6dB
15.6dB
2
10.3dB
6dB
1
0.5
0.2
0.1
0.05 _1kHz
0.02
6dB
10.3dB
15.6dB
21.6dB
0.01
10m
20m
50m
100m
200m
Output Power [W]
Figure 10. THD+N vs. Gain
BTL mode
VDD=2.7V
RL=4ohm
500m
1
10
5 _VDD=5V
2 ^{Output power =1W}
RL=4ohm
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
0.002
0.001
20
50
100
200
500
1k
2k
5k
Frequency [Hz]
Figure 11. THD+N vs. Frequency
10k 20k
10
5 _VDD=3.3V
Output power = 500mW
2 _RL=4ohm
1
0.5
0.2
0.1
0.05
0.02
0.01
0.005
0.002
0.001
20
50
100
200
500
1k
2k
5k
Frequency [Hz]
Figure 12. THD+N vs. Frequency
10k 20k
7