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10
0.01
0.02
0.05
0.1
0.2
0.5
1
2
5
20
20 k
50 100 200
500
1 k
2 k
5 k 10 k
f − Frequency − Hz
THD+N − T
otal Harmonic Dist 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 k
50
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 − T
otal Harmonic Dist 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 k
50 100 200
500
1 k
2 k
5 k 10 k
f − Frequency − Hz
THD+N − T
otal Harmonic Dist Noise (SE) − %
V
O
= 1 V
RMS
V
DD
= 5 V
R
L
= 10 k
Ω
Gain = 14 dB
SE
P
O
− Output Power − W
THD+N − T
otal Harmonic Dist Noise (BTL) − %
0.01
10
0.02
0.05
0.1
0.2
0.5
1
2
5
0.01
10
0.1
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 DIST NOISE (BTL)
TOTAL HARMONIC DIST NOISE (SE)
vs
vs
FREQUENCY
FREQUENCY
Figure 3.
Figure 4.
TOTAL HARMONIC DIST NOISE (SE)
TOTAL HARMONIC DIST NOISE (BTL)
vs
vs
FREQUENCY
OUTPUT POWER
Figure 5.
Figure 6.
9