THS3112 Datasheet, PDF (8/14 Pages) Burr-Brown (TI) – LOW-NOISE, HIGH-SPEED CURRENT FEEDBACK AMPLIFIERS

THS3112
THS3115
SLOS385 – SEPTEMBER 2001
TYPICAL CHARACTERISTICS
SMALL AND LARGE SIGNAL OUTPUT
vs
FREQUENCY
18
4 VPP
VCC = ±5 V, G = 2
RF = 680 Ω, RL = 100 Ω
12
2 VPP
6
1.125 VPP
0
–6
0.711 VPP
–12
0.4 VPP
–18
–24
0.1
0.125 VPP
1
10
100
f – Frequency – MHz
1000
Figure 19
HARMONIC DISTORTION
vs
FREQUENCY
–20
G = 2,
RF = 680 Ω,
RL 100 Ω,
–40 ^{VCC = ±15 V,}
VO(PP) = 2 V
2nd Harmonic
3rd Harmonic
–60
–80
SMALL AND LARGE SIGNAL OUTPUT
vs
FREQUENCY
18
4 VPP
12
VCC = ±15 V, G = 2
RF = 680 Ω, RL = 100 Ω
2 VPP
6
1.125 VPP
0
0.711 VPP
–6
0.4 VPP
–12
–18
0.125 VPP
–24
0.1
1
10
100
f – Frequency – MHz
1000
Figure 20
HARMONIC DISTORTION
vs
PEAK-TO-PEAK OUTPUT VOLTAGE
–10
G = 2,
RF = 680 Ω,
–30
RL 100 Ω,
VCC = ±5 V,
f = 1MHz
–50
23nrdd HHaarrmmoonniicc
–70
2nd Harmonic
–100
5th Harmonic
4th Harmonic
–120
0.1
1
10
f – Frequency – MHz
Figure 22
–90
–110
4th Harmonic
5th Harmonic
100
012345678
VPP – Peak-to-Peak Output Voltage – V
Figure 23
VOLTAGE NOISE AND CURRENT NOISE
vs
FREQUENCY
100
VCC = ±5 V to ±15 V
TA = 25°C
In_–
10
In+
Vn
1
10
100
1K
10 K
f – Frequency – Hz
100 K
Figure 25
COMMON-MODE REJECTION RATIO
vs
FREQUENCY
80
G = 2,
70
RL 100 Ω,
RF = 1 kΩ
60
50
VCC = ±15 V
VCC = ±5 V
40
30
20
10
0
0.1
1
10
100
f – Frequency – MHz
Figure 26
HARMONIC DISTORTION
vs
FREQUENCY
–20
G = 2,
RF = 680 Ω,
RL 100 Ω,
–40 VCC = ±5 V,
VO = 2 VPP
2nd Harmonic
–60
3rd Harmonic
–80
–100
4th Harmonic
5th Harmonic
–120
0.1
1
10
100
f – Frequency – MHz
Figure 21
HARMONIC DISTORTION
vs
PEAK-TO-PEAK OUTPUT VOLTAGE
–70
2nd Harmonic
3rd Harmonic
–80
5th Harmonic
–90
4th Harmonic
–100
G = 2,
RF = 680 Ω,
RL 100 Ω,
VCC = ±15 V,
f = 1MHz
–110
0123456789
VPP – Peak-to-Peak Output Voltage – V
Figure 24
POWER SUPPLY REJECTION RATIO
vs
FREQUENCY
70
G = 2,
60
PSRR – ±15 V
RL = 100 Ω,
RF = 680 Ω
50
PSRR – ±5 V
40
30
20
10
0
0.1
1
10
100
f – Frequency – MHz
Figure 27
8
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