Datasheet

7
6
5
4
3
2
1
0
Frequency(Hz)
1M 10M 100M 1G
Gain(dB)
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
NormalizedGainFlatness(dB)
V
O PP
=500mV
R =150W
L
G=+2V/V
Bandwidth
Normalized
Flatness
6
3
0
-3
-6
-9
-12
Frequency(Hz)
1M 10M 100M 2G1G
NormalizedGain(dB)
G=+4V/V
G=+1V/V
G=+2V/V
V =500mV
O PP
0.5
0.4
0.3
0.2
0.1
0
-0.1
-0.2
-0.3
-0.4
-0.5
Time(10ns/div)
Small-SignalOutputVoltage(V)
2.5
2.0
1.5
1.0
0.5
0
-0.5
-1.0
-1.5
-2.0
-2.5
Large-SignalOutputVoltage(V)
R =150W
L
G=+2V/V
Large-Signal4V
PP
RightScale
Small-Signal0.4V
PP
LeftScale
7
6
5
4
3
2
1
0
-1
-2
-3
Frequency(Hz)
0 200M 400M 600M 800M 1G
Gain(dB)
V =0.5V
O PP
V =2V
O PP
V =4V
O PP
V =1V
O PP
100
90
80
70
60
50
40
30
20
10
0
CapacitiveLoad(pF)
1 10 100 1000
R )W(
S
8
7
6
5
4
3
2
1
0
-1
-2
-3
Frequency(MHz)
1 10 100 300
GaintoCapacitiveLoad(dB)
R
S
C
L
1kW
(1)
V
I
V
O
NOTE:(1)Optional.
C =10pF
L
C =22pF
L
C =47pF
L
C =100pF
L
+
-
523W
523W
75W
75W
75W
75W
OPA4872
www.ti.com SBOS346C –JUNE 2007–REVISED MARCH 2011
TYPICAL CHARACTERISTICS
At T
A
= +25°C, G = +2V/V, R
F
= 523Ω, and R
L
= 150Ω, unless otherwise noted.
SMALL-SIGNAL FREQUENCY RESPONSE SMALL-SIGNAL FREQUENCY RESPONSE
Figure 1. Figure 2.
LARGE-SIGNAL FREQUENCY RESPONSE NONINVERTING PULSE RESPONSE
Figure 3. Figure 4.
RECOMMENDED R
S
vs CAPACITIVE LOAD FREQUENCY RESPONSE vs CAPACITIVE LOAD
Figure 5. Figure 6.
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