Datasheet

V
DD
− Supply Voltage − V
P
O
− Output Power − W
2.5 3.0 3.5 4.0 4.5 5.0
0
1
2
3
4
R
L
= 4 Ω, THD+N = 1 %
R
L
= 4 Ω, THD+N = 10 %
R
L
= 8 Ω, THD+N = 1 %
R
L
= 8 Ω, THD+N = 10 %
Frequency = 1 kHz
Gain = 6 dB
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise − %
20 100 1k 10k 20k
0.001
0.01
0.1
1
10
P
O
= 50 mW
P
O
= 250 mW
P
O
= 1 W
V
DD
= 5.0 V
R
L
= 8 Ω + 33 µH
Gain = 6 dB
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise − %
20 100 1k 10k 20k
0.001
0.01
0.1
1
10
P
O
= 25 mW
P
O
= 125 mW
P
O
= 500 mW
V
DD
= 3.6 V
R
L
= 8 Ω + 33 µH
Gain = 6 dB
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise − %
20 100 1k 10k 20k
0.001
0.01
0.1
1
10
P
O
= 15 mW
P
O
= 75 mW
P
O
= 200 mW
V
DD
= 2.5 V
R
L
= 8 Ω + 33 µH
Gain = 6 dB
TPA2011D1
www.ti.com SLOS626A –DECEMBER 2009–REVISED MAY 2010
TYPICAL CHARACTERISTICS (continued)
V
DD
= 3.6 V, C
I
= 0.1 mF, C
S1
= 0.1 mF, C
S2
= 10 mF, T
A
= 25°C, R
L
= 8 Ω (unless otherwise noted)
OUTPUT POWER vs THD + NOISE vs
SUPPLY VOLTAGE OUTPUT POWER
Figure 11. Figure 12.
THD + NOISE vs THD + NOISE vs
OUTPUT POWER FREQUENCY
Figure 13. Figure 14.
THD + NOISE vs THD + NOISE vs
FREQUENCY FREQUENCY
Figure 15. Figure 16.
Copyright © 2009–2010, Texas Instruments Incorporated Submit Documentation Feedback 7
Product Folder Link(s) :TPA2011D1