Datasheet

P
O
− Output Power − W
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.0 0.5 1.0 1.5 2.0
P
D
− Power Dissipation − W
G016
Gain = 6 dB
R
L
= 8 Ω + 33 µH
f = 1 kHz
V
DD
= 5 V
V
DD
= 3.6 V
V
DD
= 2.5 V
P
O
− Output Power − W
0.00
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
P
D
− Power Dissipation − W
G019
Gain = 6 dB
R
L
= 4 Ω + 33 µH
f = 1 kHz
V
DD
= 5 V
V
DD
= 3.6 V
V
DD
= 2.5 V
P
O
− Output Power − W
0
10
20
30
40
50
60
70
80
90
100
0.0 0.5 1.0 1.5 2.0
η − Efficiency − %
G015
Gain = 6 dB
R
L
= 8 Ω + 33 µH
f = 1 kHz
V
DD
= 2.5 V
V
DD
= 3.6 V
V
DD
= 5 V
P
O
− Output Power − W
0
10
20
30
40
50
60
70
80
90
100
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
η − Efficiency − %
G018
Gain = 6 dB
R
L
= 4 Ω + 33 µH
f = 1 kHz
V
DD
= 2.5 V
V
DD
= 3.6 V
V
DD
= 5 V
P
O
− Output Power − W
THD+N − Total Harmonic Distortion + Noise − %
0.01 0.1 1 3
100
1
0.1
0.01
G012
Gain = 6 dB
R
L
= 8 Ω + 33 µH
f = 1 kHz
10
V
DD
= 3.6 V
V
DD
= 5 V
P
O
− Output Power − W
THD+N − Total Harmonic Distortion + Noise − %
0.01 0.1 1 5
100
1
0.1
0.01
G013
Gain = 6 dB
R
L
= 4 Ω + 33 µH
f = 1 kHz
10
V
DD
= 3.6 V
V
DD
= 5 V
TPA2028D1
SLOS660B –JANUARY 2010–REVISED SEPTEMBER 2012 www.ti.com
TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISE
vs vs
OUTPUT POWER OUTPUT POWER
Figure 15. Figure 16.
EFFICIENCY EFFICIENCY
vs vs
OUTPUT POWER OUTPUT POWER
Figure 17. Figure 18.
POWER DISSIPATION POWER DISSIPATION
vs vs
OUTPUT POWER OUTPUT POWER
Figure 19. Figure 20.
10 Copyright © 2010–2012, Texas Instruments Incorporated
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