Datasheet

20
100 1k 10k 20k
FREQUENCY (Hz)
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
PSRR LEVEL (dB)
20
100 1k 10k 20k
FREQUENCY (Hz)
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
PSRR LEVEL (dB)
20
100 1k 10k 20k
FREQUENCY (Hz)
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
PSRR LEVEL (dB)
20
100 1k 10k 20k
FREQUENCY (Hz)
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
PSRR LEVEL (dB)
LM4990
www.ti.com SNAS184E –DECEMBER 2002–REVISED MAY 2013
Typical Performance Characteristics (continued)
Power Supply Rejection Ratio (PSRR) vs Frequency Power Supply Rejection Ratio (PSRR) vs Frequency
V
DD
= 3V, R
L
= 8Ω, input 10Ω terminated V
DD
= 3V, R
L
= 8Ω, input floating
Figure 21. Figure 22.
Power Supply Rejection Ratio (PSRR) vs Frequency Power Supply Rejection Ratio (PSRR) vs Frequency
V
DD
= 2.6V, R
L
= 8Ω, input 10Ω terminated V
DD
= 2.6V, R
L
= 8Ω, Input Floating
Figure 23. Figure 24.
Noise Floor, 5V, 8Ω
Open Loop Frequency Response, 5V 80kHz Bandwidth, Input to GND
Figure 25. Figure 26.
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