Datasheet

0 1 2 4 5
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
PSRR
(
dB
)
DC COMMON-MODE VOLTAGE (V)
3
0 0.2 0.4
0
0.05
0.1
0.2
0.35
0.4
POWER DISSIPATION
(
W)
OUTPUT POWER (W)
0.1 0.3
0.3
0.25
0.15
R
L
= 8:
R
L
= 4:
20 100 1k 10k 20k
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
CMRR
(
dB
)
FREQUENCY (Hz)
0 1 2 4 5
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
PSRR
(
dB
)
DC COMMON-MODE VOLTAGE (V)
T
3
2.4 3 3.5 4 5.5
0
200m
400m
600m
800m
1
1.2
1.4
1.6
1.8
2
OUTPUT POWER
(
W)
SUPPLY VOLTAGE (V)
4.5 5
10% THD+N
1% THD+N
20 100 1k 10k 20k
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
CMRR
(
dB
)
FREQUENCY (Hz)
LM4923, LM4923LQBD
SNAS211E –JULY 2004–REVISED MAY 2013 www.ti.com
Typical Performance Characteristics (continued)
Output Power CMRR
vs vs
Supply Voltage Frequency
R
L
= 8Ω V
DD
= 5V, R
L
= 8Ω
Figure 16. Figure 17.
CMRR PSRR
vs vs
Frequency Common Mode Voltage
V
DD
= 3V, R
L
= 8Ω V
DD
= 3V, R
L
= 8Ω, f = 217Hz
Figure 18. Figure 19.
PSRR Power Dissipation
vs vs
Common Mode Voltage Output Power
V
DD
= 5V, R
L
= 8Ω, f = 217Hz V
DD
= 2.6V, R
L
= 8Ω and 4Ω
Figure 20. Figure 21.
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