Datasheet

10 mV/DIV
200 ns/DIV
V
+
= +2.5V
V
-
= -2.5V
V
IN
= 20 mV
PP
f = 1 MHz
A
V
= +1
C
L
= 10 pF
R
L
= 1 M:
1s/DIV
1 PV/DIV
V
+
= +2.5V
V
-
= -2.5V
120
10
1k 100k
10M
FREQUENCY (Hz)
0
80
PSRR (dB)
1M10k
100
100
60
40
20
+PSRR
-PSRR
V
+
= +2.5V
V
-
= -2.5V
0.1
10 1k 100k
FREQUENCY (Hz)
1
10
100
1000
10k100
1
V
S
= 5V
V
S
= 2.7V
VOLTAGE NOISE (nV/
Hz)
0
5
15
20
25
35
40
45
PHASE MARGIN (°)
10
30
20
200
CAPACITIVE LOAD (pF)
R
L
= 600:
R
L
= 10 M:
R
L
= 10 k:
V
S
= 5V
10
1k
1M
FREQUENCY (Hz)
40
60
100
CMRR (dB)
100k
10k
100
90
70
50
80
V
+
= +2.5V
V
-
= -2.5V
LMP7721
www.ti.com SNOSAW6D –JANUARY 2008–REVISED MARCH 2013
Typical Performance Characteristics (continued)
Unless otherwise specified: T
A
= 25°C, V
CM
= (V
+
+ V
−
)/2.
Phase Margin vs. Capacitive Load CMRR vs. Frequency
Figure 21. Figure 22.
PSRR vs. Frequency Input Referred Voltage Noise vs. Frequency
Figure 23. Figure 24.
Time Domain Voltage Noise Small Signal Step Response
Figure 25. Figure 26.
Copyright © 2008–2013, Texas Instruments Incorporated Submit Documentation Feedback 9
Product Folder Links: LMP7721