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10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
20
20 k50 100 200 500 1 k 2 k 5 k 10 k
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise (SE) − %
P
O
= 75 mW
V
DD
= 5 V
R
L
= 32 Ω
Gain = 14 dB
SE
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
20 20 k50 100 200 500 1 k 2 k 5 k 10 k
P
O
= 1 W
V
DD
= 5 V
R
L
= 8 Ω
Gain = 20 dB
BTL
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise (BTL) − %
P
O
= 0.25 W
P
O
= 0.5 W
10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
20 20 k50 100 200 500 1 k 2 k 5 k 10 k
f − Frequency − Hz
THD+N − Total Harmonic Distortion + Noise (SE) − %
V
O
= 1 V
RMS
V
DD
= 5 V
R
L
= 10 kΩ
Gain = 14 dB
SE
P
O
− Output Power − W
THD+N − Total Harmonic Distortion + Noise (BTL) − %
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
0.01 100.1 1
f = 20 kHz
f = 1 kHz
f = 20 Hz
V
DD
= 5 V
R
L
= 3 Ω
Gain = 20 dB
BTL
TPA6011A4
SLOS392A – FEBRUARY 2002 – REVISED JULY 2004
TOTAL HARMONIC DISTORTION + NOISE (BTL) TOTAL HARMONIC DISTORTION + NOISE (SE)
vs vs
FREQUENCY FREQUENCY
Figure 3. Figure 4.
TOTAL HARMONIC DISTORTION + NOISE (SE) TOTAL HARMONIC DISTORTION + NOISE (BTL)
vs vs
FREQUENCY OUTPUT POWER
Figure 5. Figure 6.
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