FAN7031 Datasheet, PDF (12/20 Pages) Fairchild Semiconductor – 2W Stereo Power Amplifier with Four Selectable Gain Setting and Headphone Drive

FAN7031
Performance Characteristics(Continued)
2.0
BTL mode
f=1kHz
RL=8ohm
1.5
1.0
0.5
10% THD+N
1% THD+N
2.5
2.0
1.5
10% THD+N
1.0
1% THD+N
0.5
BTL mode
VDD=5V
f=1kHz
0.0
2.5
3.0
3.5
4.0
4.5
5.0
Supply Voltage [V]
Figure 37. Output Power vs. Supply Voltage
0.0
5.5
0
8
16
24
32
40
48
56
64
RL-Load Resistance [Ω]
Figure 38. Output Power vs. Load Resistance
1.2
BTL mode
VDD=3.3V
1.0
f=1kHz
0.8
0.6
0.4
10% THD+N
0.2
1% THD+N
0.0
0
8
16
24
32
40
48
56
64
RL-Load Resistance [Ω]
Figure 39. Output Power vs. Load Resistance
0.7
BTL mode
0.6
VDD=2.7V
f=1kHz
0.5
0.4
0.3
10% THD+N
0.2
1% THD+N
0.1
0.0
0
8
16
24
32
40
48
56
64
RL-Load Resistance [Ω]
Figure 40. Output Power vs. Load Resistance
800.0m
700.0m
600.0m
Single-Ended mode
VDD=5V
f=1kHz
500.0m
400.0m
300.0m
10% THD+N
200.0m
100.0m
1% THD+N
0.0
0
8
16
24
32
40
48
56
64
RL-Load Resistance [Ω]
Figure 41. Output Power vs. Load Resistance
0.30
Single-Ended mode
VDD=3.3V
0.25
f=1kHz
0.20
0.15
10% THD+N
0.10
1% THD+N
0.05
0.00
0
8
16
24
32
40
48
56
64
RL-Load Resistance [Ω]
Figure 42. Output Power vs. Load Resistance
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