FAN7031 Datasheet, PDF (6/20 Pages) Fairchild Semiconductor – 2W Stereo Power Amplifier with Four Selectable Gain Setting and Headphone Drive

FAN7031
Performance Characteristics
10
5
2
1
0.5
20kHz
0.2
0.1
1kHz
0.05
0.02
20Hz
0.01 _{BTL mode}
0.005 VDD=5V
RL=4ohm
0.002 _Av=6dB
0.001
10m
20m
50m
100m
200m
500m
1
Output Power [W]
Figure 1. THD+N vs. Output Power
23
10
5 ^{BTL mode}
VDD=5V
2 RL=8ohm
Av=6dB
1
0.5
0.2
0.1
0.05
20kHz
1kHz
0.02
0.01
0.005
20Hz
0.002
0.001
10m
20m
50m
100m
200m
500m
1
Output Power [W]
Figure 2. THD+N vs. Output Power
23
10
10
5
5 ^{BTL mode}
VDD=3.3V
2
2 RL=8ohm
Av=6dB
1
1
0.5
20kHz
0.5
20kHz
0.2
1kHz
0.1
0.2
0.1
1kHz
0.05
0.05
0.02
0.01
0.005
0.002
20Hz
BTL mode
VDD=3.3V
RL=4ohm
Av=6dB
0.02
0.01
0.005
0.002
20Hz
0.001
10m
20m
50m
100m
200m
0.001
500m
1
2
10m
20m
50m
100m
200m
500m
1
Output Power [W]
Output Power [W]
Figure 3. THD+N vs. Output Power
Figure 4. THD+N vs. Output Power
10
10
5
5 BTL mode
VDD=2.7V
2
2 _RL=8ohm
1
1 ^Av=6dB
20kHz
0.5
0.5
20kHz
0.2
1kHz
0.1
0.2
0.1
1kHz
0.05
0.05
0.02
0.01
0.005
0.002
20Hz
BTL mode
VDD=2.7V
RL=4ohm
Av=6dB
0.02
0.01
0.005
0.002
20Hz
0.001
10m
20m
50m
100m
200m
0.001
500m
1
10m
20m
50m
100m
200m
500m
1
Output Power [W]
Figure 5. THD+N vs. Output Power
Output Power [W]
Figure 6. THD+N vs. Output Power
6