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SLOS407D − FEBRUARY 2003 − REVISED AUGUST 2004
TOTAL HARMONIC DISTORTION + NOISE
TOTAL HARMONIC DISTORTION + NOISE
vs
vs
OUTPUT POWER
OUTPUT POWER
10
10
V
R
= 8 V
CC
= 8 Ω
V
= 12 V
CC
R = 8 Ω
L
L
Gain = +13.2 dB
Class-D
Gain = +13.2 dB
Class-D
1
1
f = 20 Hz
f = 1 kHz
f = 1 kHz
f = 20 Hz
0.1
0.1
0.01
0.01
10 m
100 m
1
10
10 m
100 m
1
10
P
O
− Output Power − W
P
O
− Output Power − W
Figure 13
Figure 14
TOTAL HARMONIC DISTORTION + NOISE
TOTAL HARMONIC DISTORTION + NOISE
vs
vs
OUTPUT POWER
OUTPUT POWER
10
5
10
V
R
= 18 V,
CC
= 8 Ω
V
R
= 8 V
CC
= 4 Ω
L
L
Gain = 13.2 dB
2
1
1
0.5
f = 1 kHz
f = 1 kHz
0.2
0.1
f = 20 Hz
0.1
f = 20 kHz
0.05
f = 20 Hz
0.02
0.01
0.01
20 m
100 m
1
10
100 m 200 m 500 m
1
2
5
10
20
P
− Output Power − W
P
O
− Output Power − W
O
Figure 15
Figure 16
14
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