Texas Instruments TPA3003D2 - Manual (Page 9)

TPA3003D2
SLOS406A − FEBRUARY 2003 − REVISED MARCH 2003
9
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TYPICAL CHARACTERISTICS
Figure 1
0
10
20
30
40
50
60
70
80
0 0.5 1 1.5 2 2.5 3
PO − Output Power − W
EFFICIENCY
vs
OUTPUT POWER
Efficiency − %
VCC = 12 V, RL = 8 Ω
VCC = 8.5 V, RL = 8 Ω
LC Filter
Resistive Load
Figure 2
0
1
2
3
4
5
6
7
8
8 9 10 11 12 13 14 15 16
Thermally Limited
P O
− Output Power − W
OUTPUT POWER
vs
LOAD RESISTANCE
RL − Load Resistance − Ω
VCC = 8.5 V,
THD = 1% VCC = 8.5 V,
THD = 10%
VCC = 12 V,
THD = 1%
VCC = 12 V,
THD = 10%
Figure 3
OUTPUT POWER
vs
SUPPLY VOLTAGE
P
O
− Output Power − W
VDD − Supply Voltage − V
1
2
3
4
5
6
8.5 9 10 11 12 13 14
Thermally Limited
8 Ω, THD = 10%
8 Ω, THD = 1%
Figure 4
10
11
12
13
14
15
16
17
18
8.5 9 10 11 12 13 14
QUIESCENT SUPPLY CURRENT
vs
SUPPLY VOLTAGE
VCC − Supply Voltage − V
I − Quiescent Supply Current − mA Q
TA = 25 ° C