Datasheet

20 100 1k 10k 20k
100n
1P
10P
100P
OUTPUT NOISE VOLTAGE
(
V
)
FREQUENCY (Hz)
Vo1 + Vo2
Shutdown On
1.5 2 2.5 3 3.5 4 4.5 5 5.5 6
0
0.1
0.2
0.3
0.5
0.6
0.7
0.8
DROPOUT VOLTAGE
(
V
)
SUPPLY VOLTAGE (V)
0.4
R
L
= 4: Top
R
L
= 4: Bottom
R
L
= 8: Top
R
L
= 8: Bottom
20 100 1k 10k 20k
100n
1P
10P
100P
OUTPUT NOISE VOLTAGE
(
V
)
FREQUENCY (Hz)
Vo1 + Vo2
Shutdown On
0
20 40 60 80 100 120 140 160
AMBIENT TEMPERATURE (
o
C)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
POWER DISSIPATION
(
W)
0 0.4 0.8 1.2 1.4
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
POWER DISSIPATION
(
W)
OUTPUT POWER (W)
0.2 0.6 1
0 0.2 0.4 0.5
0
0.05
0.1
0.15
0.2
0.25
POWER DISSIPATION
(
W)
OUTPUT POWER (W)
0.1 0.3
LM4923, LM4923LQBD
www.ti.com SNAS211E –JULY 2004–REVISED MAY 2013
Typical Performance Characteristics (continued)
Power Dissipation Power Dissipation
vs vs
Output Power Output Power
V
DD
= 5V, R
L
= 8Ω V
DD
= 3V, R
L
= 8Ω
Figure 22. Figure 23.
Noise Floor
Power Derating Curve V
DD
= 5V
Figure 24. Figure 25.
Clipping Voltage
Noise Floor vs
V
DD
= 3V Supply Voltage
Figure 26. Figure 27.
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