FAN7031 Datasheet, PDF (11/20 Pages) Fairchild Semiconductor – 2W Stereo Power Amplifier with Four Selectable Gain Setting and Headphone Drive

Performance Characteristics(Continued)
FAN7031
5.5m
5.0m
BTL mode
4.5m
4.0m
Single-Ended
mode
3.5m
VDD=5V
3.0m
0
1
2
3
4
5
SE/BTL Pin Voltage [V]
Figure 31. IDD vs. SE/BTL Pin Voltage
4.5m
BTL mode
4.0m
3.5m
Single-Ended
mode
3.0m
VDD=3.3V
2.5m
-0.5
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
SE/BTL Pin Voltage [V]
Figure 32. IDD vs. SE/BTL Pin Voltage
4.5m
4.0m
BTL mode
3.5m
Single-Ended
3.0m
mode
VDD=2.7V
2.5m
0.0
0.5
1.0
1.5
2.0
2.5
3.0
SE/BTL Pin Voltage [V]
Figure 33. IDD vs. SE/BTL Pin Voltage
0.7
0.6
VDD=5V
0.5
0.4
0.3
VDD=3.3V
0.2
VDD=2.7V
THD less than 1%
0.1
RL=8ohm
f=1kHz
0.0
0.0
0.5
1.0
1.5
Output Power [W]
Figure 34. Power Dissipation vs. Output Power
1.4
VDD=5V
1.2
1.0
0.8
0.6
VDD=3.3V
0.4
VDD=2.7V
0.2
THD less than 1%
RL=4ohm
f=1kHz
0.0
0.0
0.5
1.0
1.5
2.0
Output Power [W]
Figure 35. Power Dissipation vs. Output Power
3.0
BTL mode
2.5
f=1kHz
RL=4ohm
2.0
1.5
1.0
10% THD+N
1% THD+N
0.5
0.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
Supply Voltage [V]
Figure 36. Output Power vs. Supply Voltage
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