FAN7031 Fairchild Semiconductor, FAN7031 Datasheet - Page 11

• Manufacturer Part Number: FAN7031
• Description: 2W Stereo Power Amplifier with Four Selectable Gain Setting and Headphone Drive
• Manufacturer: Fairchild Semiconductor

Performance Characteristics
5.5m
5.5m
5.0m
5.0m
4.5m
4.5m
4.0m
4.0m
3.5m
3.5m
3.0m
3.0m
4.5m
4.5m
4.0m
4.0m
3.5m
3.5m
3.0m
3.0m
2.5m
2.5m
1.4
1.4
1.2
1.2
1.0
1.0
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0.0
0.0
Figure 35. Power Dissipation vs. Output Power
0.0
0.0
VDD=2.7V
VDD=2.7V
VDD=5V
VDD=5V
0.0
0.0
0
0
Figure 31. IDD vs. SE/BTL Pin Voltage
Figure 33. IDD vs. SE/BTL Pin Voltage
BTL mode
BTL mode
BTL mode
BTL mode
VDD=2.7V
VDD=2.7V
0.5
0.5
1
1
0.5
0.5
1.0
1.0
SE/BTL Pin Voltage [V]
SE/BTL Pin Voltage [V]
VDD=3.3V
VDD=3.3V
SE/BTL Pin Voltage [V]
SE/BTL Pin Voltage [V]
Output Power [W]
Output Power [W]
2
2
1.0
1.0
1.5
1.5
3
3
2.0
2.0
THD less than 1%
THD less than 1%
RL=4ohm
RL=4ohm
f=1kHz
f=1kHz
Single-Ended
Single-Ended
mode
mode
VDD=5V
VDD=5V
1.5
1.5
(Continued)
4
4
Single-Ended
Single-Ended
mode
mode
2.5
2.5
5
5
2.0
2.0
3.0
3.0
0.7
0.7
0.6
0.6
0.5
0.5
0.4
0.4
0.3
0.3
0.2
0.2
0.1
0.1
0.0
0.0
3.0
3.0
2.5
2.5
2.0
2.0
1.5
1.5
1.0
1.0
0.5
0.5
0.0
0.0
4.5m
4.5m
4.0m
4.0m
3.5m
3.5m
3.0m
3.0m
2.5m
2.5m
2.5
2.5
Figure 34. Power Dissipation vs. Output Power
-0.5
-0.5
Figure 36. Output Power vs. Supply Voltage
0.0
0.0
BTL mode
BTL mode
f=1kHz
f=1kHz
RL=4ohm
RL=4ohm
VDD=3.3V
VDD=3.3V
0.0
0.0
Figure 32. IDD vs. SE/BTL Pin Voltage
3.0
3.0
BTL mode
BTL mode
0.5
0.5
VDD=2.7V
VDD=2.7V
3.5
3.5
10% THD+N
10% THD+N
0.5
0.5
1.0
1.0
Supply Voltage [V]
Supply Voltage [V]
SE/BTL Pin Voltage [V]
SE/BTL Pin Voltage [V]
VDD=3.3V
VDD=3.3V
Output Power [W]
Output Power [W]
4.0
4.0
1.5
1.5
2.0
2.0
4.5
4.5
1% THD+N
1% THD+N
1.0
1.0
THD less than 1%
THD less than 1%
RL=8ohm
RL=8ohm
f=1kHz
f=1kHz
2.5
2.5
Single-Ended
Single-Ended
mode
mode
5.0
5.0
VDD=5V
VDD=5V
3.0
3.0
FAN7031
3.5
3.5
5.5
5.5
11
1.5
1.5