Texas Instruments AN-1922 LM48511, User Manual, Page: 5 / 15

10
1
0.1
0.01
10m 100m 1 5
OUTPUT POWER (W)
T
H
D
+N
(%
)
3V
5V
3.6V
10
1
0.1
0.01
10m 100m 1 5
OUTPUT POWER (W)
T
H
D
+N
(%
)
4.87 k :
5.35 k
:
9.31 k :
10
1
0.1
0.01
10m 100m 1 5
OUTPUT POWER (W)
T
H
D
+
N
(%
)
SPREAD SPECTRUM
FIXED FREQUENCY
10
1
0.1
0.01
10m 100m 1 5
OUTPUT POWER (W)
T
H
D
+
N
(%
)
SPREAD SPECTRUM
FIXED FREQUENCY
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Typical Performance Characteristics
THD+N vs Output Power THD+N vs Output Power
V
DD
= 3.6V, R
L
= 8 Ω V
DD
= 3V, R
L
= 8 Ω
f = 1kHz, filter = 22kHz, PV
1
= 7V f = 1kHz, filter = 22kHz, PV
1
= 4.8V
THD+N vs Output Power THD+N vs Output Power
V
DD
= 3V, 3.6V, 5V, R
L
= 8 Ω V
DD
= 3.6V, R
L
= 8 Ω
f = 1kHz, filter = 22kHz, R
1
= 4.87k Ω , FF filter = 22kHz, PV
1
= 7.8V, PV
1
= 7V, PV
1
= 4.8V, FF
5 SNAA064C – November 2008 – Revised May 2013 AN-1922 LM48511 Evaluation Board
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