Datasheet

−12
−9
−6
−3
0
3
6
9
12
15
0.1 1 10 100 1000
R
F
= 470 Ω
R
F
= 560 Ω
R
F
= 200 Ω
V
CC
= ±15 V,
R
L
= 50 Ω
f − Frequency − MHz
Small Signal Closed Loop Gain − dB
−24
−18
−12
−6
0
6
12
18
0.1
1
10 100 1000
4 V
PP
G = 2, V
CC
= ±5 V,
R
L
= 680 Ω, R
L
= 50 Ω
f − Frequency − MHz
Small and Large Signal Output − dB
2 V
PP
1 V
PP
0.5 V
PP
0.25 V
PP
0.125 V
PP
−24
−18
−12
−6
0
6
12
18
0.1 1 10 100 1000
4 V
PP
G = 2, V
CC
= ±15 V,
R
L
= 680 Ω,R
L
= 50 Ω
f − Frequency − MHz
Small and Large Signal Output − dB
2 V
PP
1 V
PP
0.5 V
PP
0.25 V
PP
0.125 V
PP
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0.1 1 10 100
3rd Harmonic
G = 2,
V
CC
= ±15 V,
V
O(PP)
= 2 V,
R
F
= 470 Ω,
R
L
= 50 Ω
f − Frequency − MHz
Harmonic Distortion − dB
5th Harmonic
2nd Harmonic
4th Harmonic
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0.1 1 10
3rd Harmonic
G = 2,
V
CC
= ±15 V,
V
O(PP)
= 8 V,
R
F
= 470 Ω,
R
L
= 50 Ω
f − Frequency − MHz
Harmonic Distortion − dB
5th Harmonic
2nd Harmonic
4th Harmonic
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0.1 1 10 100
3rd Harmonic
G = 2,
V
CC
= ±5 V,
V
O(PP)
= 2 V,
R
F
= 470 Ω,
R
L
= 50 Ω
f − Frequency − MHz
Harmonic Distortion − dB
5th Harmonic
2nd Harmonic
4th Harmonic
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0 1 2 3 4 5 6 7 8 9
3rd Harmonic
G = 2,
V
CC
= ±15 V,
f = 1 MHz,
R
F
= 470 Ω,
R
L
= 50 Ω
V
PP
− Peak-to-Peak Output Voltage − V
Harmonic Distortion − dB
5th Harmonic
4th Harmonic
2nd Harmonic
−100
−90
−80
−70
−60
−50
−40
−30
−20
−10
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
3rd Harmonic
G = 2,
V
CC
= ±5 V,
f = 1 MHz,
R
F
= 470 Ω,
R
L
= 50 Ω
V
PP
− Peak-to-Peak Output Voltage − V
Harmonic Distortion − dB
4th Harmonic
2nd Harmonic
5th Harmonic
1
10
100
0.01
0.1
1 10
100
f − Frequency − kHz
− Current Noise −
V
n
I
n
− Voltage Noise −
pA/
Hz
nV/ Hz
I
n−
I
n+
V
n
V
CC
= ±5 V to ±15 V
T
A
= 25°C
THS3122
THS3125
www.ti.com SLOS382D –SEPTEMBER 2001– REVISED FEBRUARY 2011
TYPICAL CHARACTERISTICS (continued)
SMALL- AND LARGE-SIGNAL SMALL- AND LARGE-SIGNAL
SMALL-SIGNAL CLOSED-LOOP
GAIN OUTPUT OUTPUT
vs vs vs
FREQUENCY FREQUENCY FREQUENCY
Figure 10. Figure 11. Figure 12.
HARMONIC DISTORTION HARMONIC DISTORTION HARMONIC DISTORTION
vs vs vs
FREQUENCY FREQUENCY FREQUENCY
Figure 13. Figure 14. Figure 15.
VOLTAGE NOISE AND CURRENT
HARMONIC DISTORTION HARMONIC DISTORTION NOISE
vs vs vs
PEAK-TO-PEAK OUTPUT VOLTAGE PEAK-TO-PEAK OUTPUT VOLTAGE FREQUENCY
Figure 16. Figure 17. Figure 18.
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