Datasheet

0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0 0.2 0.4 0.6 0.8 1 1.2 1.4
Class-AB, V
DD
= 3.6 V
R
L
= 4 Ω
R
L
= 8 Ω
R
L =
4 Ω
R
L
= 8 Ω
Powers are per Channel
WCSP
− Power Dissipation − W
P
D
P
O
− Output Power − W
Class-AB,
V
DD
= 3.6 V
0
0.2
0.4
0.6
0.8
1
1.2
1.4
0 0.5 1 1.5 2 2.5
Class-AB, V
DD
= 5 V
R
L
= 4 Ω
R
L
= 4 Ω
R
L
= 8 Ω
Powers are per Channel
WCSP
− Power Dissipation − W
P
D
P
O
− Output Power − W
R
L
= 8 Ω
Class-AB, V
DD
= 5 V
0
10
20
30
40
50
60
70
80
90
100
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
V
DD
= 5 V
R
L
= 4 Ω
V
DD
= 3.6 V
Class-AB, V
DD
= 5 V
WCSP
Efficiency − %
P
O
− Output Power − W
0
10
20
30
40
50
60
70
80
90
100
0 0.2 0.4 0.6 0.8 1 1.2 1.4
V
DD
= 5 V
R
L
= 8 Ω
V
DD
= 3.6 V
Class-AB, V
DD
= 5 V
WCSP
Efficiency − %
P
O
− Output Power − W
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
2.5 3 3.5 4 4.5 5
P
O
− Output Power − W
V
DD
− Supply Voltage − V
R
L
= 4 W,
THD+N = 10%
R
L
= 4 W,
THD+N = 1%
R
L
= 8 W,
THD+N = 10%
R
L
= 8 W,
THD+N = 1%
TPA2012D2
SLOS438D – DECEMBER 2004 – REVISED JUNE 2008 .................................................................................................................................................. www.ti.com
TYPICAL CHARACTERISTICS (continued)
POWER DISSIPATION POWER DISSIPATION EFFICIENCY
vs vs vs
OUTPUT POWER OUTPUT POWER OUTPUT POWER
Figure 28. Figure 29. Figure 30.
EFFICIENCY OUTPUT POWER
vs vs
OUTPUT POWER SUPPLY VOLTAGE
Figure 31. Figure 32.
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