Datasheet

0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
2.5 3 3.5 4 4.5
V -SupplyVoltage-V
DD
P
-OutputPower-W
O
THD+N=10%
THD+N=1%
R =4 ,
f=1kHz,
Gain=2V/V
L
W
0
0.2
0.4
0.6
0.8
1
1.2
1.4
4 8 12 16 20 24 28 32
R -LoadResistance-
L
W
V =4.2V
DD
V =3.6V
DD
V =2.5V
DD
V =5V
DD
f=1kHz,
THD+N=1%,
Gain=2V/V
P -OutputPower-W
O
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
4 8 12 16 20 24 28 32
R -LoadResistance-
L
W
V =4.2V
DD
V =3.6V
DD
V =2.5V
DD
V =5V
DD
P -OutputPower-W
O
f=1kHz,
THD+N=10%,
Gain=2V/V
0.1
30
0.2
0.5
1
2
5
0.01 20.1 1
P -OutputPower-W
O
THD+N-TotalHarmonicDistortion+Noise-%
20
V =2.5V
DD
V =3.6V
DD
V =4.2V
DD
R =4 ,
f=1kHz,
Gain=2V/V
L
W
10
0.1
30
0.2
0.5
1
2
5
10
20
0.01 20.1 1
P
O
− Output Power − W
THD+N − Total Harmonic Distortion + Noise − %
5 V
3.6 V
2.5 V
R
L
= 8 Ω,
f = 1 kHz,
Gain = 2 V/V
0.1
30
0.2
0.5
1
2
5
10
20
0.01 20.1 1
P
O
− Output Power − W
THD+N − Total Harmonic Distortion + Noise − %
5 V
3.6 V
2.5 V
R
L
= 16 Ω,
f = 1 kHz,
Gain = 2 V/V
0.008
10
0.02
0.05
0.1
0.2
0.5
1
2
5
20 100 1 k 20 k
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise − %
50 mW
250 mW
1 W
V
DD
= 5 V
C
I
= 2 µF
R
L
= 8 Ω
Gain = 2 V/V
1
2
5
10
0.5
0.2
0.1
0.05
0.02
0.01
20 100 1 k 20 k
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise − %
V
DD
= 3.6 V
C
I
= 2 µF
R
L
= 8 Ω
Gain = 2 V/V
500 mW
25 mW
125 mW
10
5
2
1
0.5
0.2
0.1
0.05
0.02
0.01
20 100 1 k 20 k
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise − %
15 mW
V
DD
= 2.5 V
C
I
= 2 µF
R
L
= 8 Ω
Gain = 2 V/V
75 mW
200 mW
TPA2005D1
www.ti.com ............................................................................................................................................................... SLOS369F – JULY 2002 – REVISED JULY 2008
OUTPUT POWER OUTPUT POWER OUTPUT POWER
vs vs vs
SUPPLY VOLTAGE LOAD RESISTANCE LOAD RESISTANCE
Figure 10. Figure 11. Figure 12.
TOTAL HARMONIC DISTORTION + TOTAL HARMONIC DISTORTION +
NOISE TOTAL HARMONIC DISTORTION + NOISE
vs NOISE vs
OUTPUT POWER vs OUTPUT POWER OUTPUT POWER
Figure 13. Figure 14. Figure 15.
TOTAL HARMONIC DISTORTION + TOTAL HARMONIC DISTORTION + TOTAL HARMONIC DISTORTION +
NOISE NOISE NOISE
vs vs vs
FREQUENCY FREQUENCY FREQUENCY
Figure 16. Figure 17. Figure 18.
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