Datasheet

-70
-80
-90
20 20k100 1k 10k
0.0
-20
-40
-60
-100
-10
PSRR LEVEL (dB)
FREQUENCY (Hz)
-30
-50
-70
-80
-90
20 20k100 1k 10k
0.0
-20
-40
-60
-100
-10
PSRR LEVEL (dB)
FREQUENCY (Hz)
-30
-50
-70
-80
-90
20 20k100 1k 10k
0.0
-20
-40
-60
-100
-10
PSRR LEVEL (dB)
FREQUENCY (Hz)
-30
-50
LM4938
www.ti.com SNAS245B –FEBRUARY 2005–REVISED MAY 2013
Typical Performance Characteristics (continued)
Frequency Response Frequency Response
V
DD
= 5V, R
L
= 4Ω, P
O
= 1.5W V
DD
= 5V, R
L
= 8Ω, P
O
= 1W
Figure 22. Figure 23.
Frequency Response PSRR vs Frequency
V
DD
= 5V, R
L
= 32Ω, P
O
= 30mW, SE V
DD
= 3V, R
L
= 8Ω, Terminated
Figure 24. Figure 25.
PSRR vs Frequency PSRR vs Frequency
V
DD
= 3V, R
L
= 8Ω, Unterminated V
DD
= 3V, R
L
= 32Ω, Terminated
Figure 26. Figure 27.
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