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0
0.5
1
1.5
2
2.5
4 8 12 16 20 24 28 32
R
L
− Load Resistance − Ω
− Output Power − WP
O
V
DD = 2.5 V
V
DD = 3.6 V
V
DD = 5 V
P
O
at 1% THD
Gain = 2 V/V
f = 1 kHz
0
0.5
1
1.5
2
2.5
2.5 3 3.5 4 4.5 5
V
CC
− Supply Voltage − V
− Output Power − WP
O
Gain = 2 V/V
f = 1 kHz
3
R
L
= 4 Ω, 10% THD
R
L
= 4 Ω, 1% THD
R
L
= 8 Ω,10% THD
R
L
= 8 Ω,1% THD
0.1
20
0.2
0.5
1
2
5
10
20m 350m 100m 200m 500m 1 2
3 V
5 V
3.6 V
P
O
− Output Power − W
THD+N − Total Harmonic Distortion + Noise − %
R
L
= 4 Ω,
f = 1 kHz,
Gain = 2 V/V
2.5 V
0.1
20
0.2
0.5
1
2
5
10
5m 210m 20m 50m100m 200m 500m 1
2.5 V
3.6 V
3 V
P
O
− Output Power − W
THD+N − Total Harmonic Distortion + Noise − %
R
L
= 8 Ω,
f = 1 kHz,
Gain = 2 V/V
5 V
0.005
10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
20 20k50 100 200 500 1k 2k 5k 10k
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
P
O
= 25 mW
P
O
= 125 mW
P
O
= 500 mW
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
20 20k50 100 200 500 1k 2k 5k 10k
P
O
= 50 mW
P
O
= 250 mW
P
O
= 1W
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise − %
V
DD
= 5 V
C
I
= 2 µF
R
L
= 8 Ω
Gain = 2 V/V
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
20 20k50 100 200 500 1k 2k 5k 10k
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise − %
P
O
= 15 mW
V
DD
= 2.5 V
C
I
= 2 µF
R
L
= 8 Ω
Gain = 2 V/V
P
O
= 75 mW
P
O
= 200 mW
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
20 20k50 100 200 500
1k 2k 5k
10k
PO = 250 mW
C
I
= 2 µF
R
L
= 4 Ω
Gain = 2 V/V
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise − %
V
DD
= 2.5 V
V
DD
= 3 V
V
DD
= 3.6 V
V
DD
= 4 V
V
DD
= 5 V
0.1
1
10
0 0.5 1 1.5 2 2.5
f = 1 kHz
P
O
= 200 mW
V
IC
− Common Mode Input Voltage − V
THD+N − Total Harmonic Distortion + Noise − %
3 3.5 4 4.5 5
V
DD
= 2.5 V
V
DD
= 5 V
V
DD
= 3.6 V
TPA2010D1
SLOS417C – OCTOBER 2003 – REVISED SEPTEMBER 2007
TOTAL HARMONIC DISTORTION +
OUTPUT POWER OUTPUT POWER NOISE
vs vs vs
LOAD RESISTANCE SUPPLY VOLTAGE OUTPUT POWER
Figure 10. Figure 11. Figure 12.
TOTAL HARMONIC DISTORTION + TOTAL HARMONIC DISTORTION + TOTAL HARMONIC DISTORTION +
NOISE NOISE NOISE
vs vs vs
OUTPUT POWER FREQUENCY FREQUENCY
Figure 13. Figure 14. Figure 15.
TOTAL HARMONIC DISTORTION + TOTAL HARMONIC DISTORTION + TOTAL HARMONIC DISTORTION +
NOISE NOISE NOISE
vs vs vs
FREQUENCY FREQUENCY COMMON MODE INPUT VOLTAGE
Figure 16. Figure 17. Figure 18.
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