Datasheet

0
1
2
3
4
5
6
7
8
9
1 M 10 M 100 M 1 G
f − Frequency − Hz
Noninverting Gain − dB
R
F
= 475 Ω
R
F
= 649 Ω
R
F
= 750 Ω
Gain = 2,
R
L
= 50 Ω,
V
O
= 0.2 V
PP
,
V
S
= ±15 V
−4
−2
0
2
4
6
8
10
12
14
16
18
20
22
24
100 k 1 M 10 M 100 M 1 G
f − Frequency − Hz
Noninverting Gain − dB
G = 1, R
F
= 806 Ω
G = 10, R
F
= 301 Ω
G = 5, R
F
= 499 Ω
G = 2, R
F
= 649 Ω
R
L
= 50 Ω,
V
O
= 0.2 V
PP
,
V
S
= ±15 V
-4
-2
0
2
4
6
8
10
12
14
16
18
20
22
24
100 k 1 M 10 M 100 M 1 G
f - Frequency - Hz
Inverting Gain - dB
G = -1, R
F
= 681 Ω
G = -10, R
F
= 365 Ω
G = -5, R
F
= 499 Ω
G = -2, R
F
= 681 Ω
R
L
= 50 Ω,
V
O
= 0.2 V
PP
,
V
S
= ±15 V
0
2
4
6
8
10
12
14
16
100 k 1 M 10 M 100 M 1 G
f − Frequency − Hz
Noninverting Gain − dB
G = 5, R
F
= 499 Ω
G = 2, R
F
= 681 Ω
R
L
= 50 Ω,
V
O
= 2 V
PP
,
V
S
= ±15 V
5.7
5.8
5.9
6
6.1
6.2
6.3
100 k 1 M 10 M 100 M
Gain = 2,
R
F
= 562 Ω,
R
L
= 50 Ω,
V
O
= 0.2 V
PP
,
V
S
= ±15 V
f - Frequency - Hz
Noninverting Gain - dB
-4
-2
0
2
4
6
8
10
12
14
16
1 M 10 M 100 M 1 G
f - Frequency - Hz
G = -5, R
F
= 499 Ω
G =-1, R
F
= 681 Ω
R
L
= 50 Ω,
V
O
= 2 V
PP
,
V
S
= ±15 V
Inverting Gain - dB
-2
0
2
4
6
8
10
12
14
16
10 M 100 M
Capacitive Load - Hz
Signal Gain - dB
Gain = 5,
R
L
= 50 Ω
V
S
= ±15 V
R
(ISO)
= 49.9 Ω C
L
= 10 pF
R
(ISO)
= 40.2 Ω
C
L
= 22 pF
R
(ISO)
= 30 Ω
C
L
= 47 pF
R
(ISO)
= 20 Ω
C
L
= 100 pF
0
10
20
30
40
50
60
10 100
C
L
− Capacitive Load − pF
Recommended R Ω
Gain = 5,
R
L
= 50 Ω,
V
S
= ±15 V
ISO
Resistance −
-90
-80
-70
-60
-50
-40
-30
1 M 10 M 100 M
f - Frequency - Hz
2 nd Harmonic Distortion - dBc
G = 2,
R
F
= 649 Ω
G = 2, R
F
= 649 Ω,
R
L
= 499 Ω
V
O
= 2 V
PP
,
R
L
= 50 Ω,
V
S
= ±15 V
G = 5,
R
F
= 499 Ω
-100
100 k
THS3120
THS3121
www.ti.com ........................................................................................................................................ SLOS420E –SEPTEMBER 2003–REVISED OCTOBER 2009
TYPICAL CHARACTERISTICS (±15 V)
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NONINVERTING SMALL-SIGNAL NONINVERTING SMALL-SIGNAL INVERTING SMALL-SIGNAL
FREQUENCY RESPONSE FREQUENCY RESPONSE FREQUENCY RESPONSE
Figure 1. Figure 2. Figure 3.
NONINVERTING LARGE-SIGNAL INVERTING LARGE-SIGNAL
0.1-dB FLATNESS FREQUENCY RESPONSE FREQUENCY RESPONSE
Figure 4. Figure 5. Figure 6.
RECOMMENDED R
ISO
2nd HARMONIC DISTORTION
FREQUENCY RESPONSE vs vs
CAPACITIVE LOAD CAPACITIVE LOAD FREQUENCY
Figure 7. Figure 8. Figure 9.
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