Datasheet
2.7
SUPPLY VOLTAGE (V)
0
0.5
1
1.5
2
2.5
3
3.5
4
OUTPUT POWER (mW)
3 3.5 4 4.5 5 5.5 6 6.5 7 7.5 8 8.5 9
0 20 100
LOAD RESISTANCE (W)
0
50
100
150
200
250
300
350
400
450
OUTPUT POWER (mW)
40 60 80
0 2 4 6 8 10
SUPPLY VOLTAGE (V)
0
0.2
0.4
0.6
0.8
1
1.2
1.4
DROPOUT VOPLTAGE (V)
2 3 4 5 6 7 8 9
SUPPLY VOLTAGE (V)
0
0.5
1
1.5
2
2.5
SUPPLY CURRENT (
mA)
10
0 50 100 150 200 250 300
OUTPUT POWER (mW)
0
50
100
150
200
250
300
POWER DISSIPATION (mW)
0
OUTPUT POWER (mW)
POWER DISSIPATION (mW)
200 400 600 800 1000 1200 1400
0
200
400
600
800
1000
1200
1400
1600
LM4951A
SNAS453C –AUGUST 2008–REVISED APRIL 2013
www.ti.com
Typical Performance Characteristics (continued)
Power Dissipation Power Dissipation
vs Output Power vs Output Power
V
DD
= 3.3V, R
L
= 8Ω, f = 1kHz V
DD
= 7.5V, R
L
= 8Ω, f = 1kHz
Figure 27. Figure 28.
Clipping Voltage vs Supply Voltage
Supply Current
R
L
= 8Ω,
vs Supply Voltage
from top to bottom: Negative Voltage Swing; Positive
R
L
= 8Ω, V
IN
= 0V, R
source
= 50Ω Voltage Swing
Figure 29. Figure 30.
Output Power vs Supply Voltage Output Power vs Load Resistance
R
L
= 8Ω, V
DD
= 3.3V, f = 1kHz
from top to bottom: THD+N = 10%, THD+N = 1% from top to bottom: THD+N = 10%, THD+N = 1%
Figure 31. Figure 32.
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