TPA0202 Datasheet, PDF (21/42 Pages) Texas Instruments – 2-W STEREO AUDIO POWER AMPLIFIER

TPA0202
2-W STEREO AUDIO POWER AMPLIFIER
SLOS205A – FEBRUARY 1998 – REVISED MARCH 2000
TYPICAL CHARACTERISTICS
OUTPUT POWER
vs
SUPPLY VOLTAGE
1
THD+N = 1%
SE
Each Channel
0.8
RL = 4 Ω
0.6
RL = 8 Ω
0.4
OUTPUT POWER
vs
LOAD RESISTANCE
3
THD+N = 1%
BTL
2.5
Each Channel
2
1.5
VDD = 5 V
1
0.2
RL = 32 Ω
0
2.5 3
3.5
4 4.5 5
5.5 6
VDD – Supply Voltage – V
Figure 51
OUTPUT POWER
vs
LOAD RESISTANCE
1
THD+N = 1%
SE
Each Channel
0.8
0.6
0.4
VDD = 5 V
0.2
VDD = 3.3 V
0
0 4 8 12 16 20 24 28 32
RL – Load Resistance – Ω
Figure 53
0.5
VDD = 3.3 V
0
0 4 8 12 16 20 24 28 32
RL – Load Resistance – Ω
Figure 52
POWER DISSIPATION
vs
OUTPUT POWER
1.8
1.6
RL = 3 Ω
1.4
1.2
RL = 4 Ω
1
0.8
0.6
RL = 8 Ω
0.4
VDD = 5 V
0.2
BTL
Each Channel
0
0
0.5
1
1.5
2
2.5
PO – Output Power – W
Figure 54
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