THS3122 Datasheet, PDF (8/20 Pages) Texas Instruments – LOW-NOISE, HIGH-SPEED, 450 mA CURRENT FEEDBACK AMPLIFIERS

THS3122
THS3125
SLOS382 − SEPTEMBER 2001
TYPICAL CHARACTERISTICS
COMMON-MODE REJECTION RATIO
vs
FREQUENCY
80
70
VCC = ±15 V
60
50
VCC = ±5 V
40
30
20
10
0
0.1
G = 2,
RF = 470 Ω,
RL = 50 Ω,
TA = 25°C
1
10
100
f − Frequency − MHz
1000
CROSSTALK
vs
FREQUENCY
0
G = 2,
−10 VCC = ±5 V, ±15 V
RF = 470 Ω,
−20 _{RL = 50 Ω,}
−30
−40
−50
−60
−70
−80
0.1
1
10
100
f − Frequency − MHz
1000
Figure 19
1800
1600
1400
1200
1000
SLEW RATE
vs
OUTPUT VOLTAGE STEP
G = 2,
RF = 470 Ω,
RL = 50 Ω,
TA = 25°C
VCC = ±15 V
800
600
400
VCC = ±5 V
200
0
0 1 2 3 4 5 6 7 8 9 10
VO − Output Voltage Step − V
Figure 22
INPUT BIAS CURRENT
vs
FREE-AIR TEMPERATURE
12
10
VCC = ±15 V, IIB+
8
6
VCC = ±15 V, IIB−
4
VCC = ±5 V, IIB+
2
VCC = ±5 V, IIB−
0
−2
−40 −15
10
35
60
85
TA − Free-Air Temperature − °C
Figure 25
Figure 20
INPUT OFFSET VOLTAGE
vs
FREE-AIR TEMPERATURE
0
1
VCC = ±15 V,
VCM = 0 V,
RL = 100 Ω
2
3
4
5
6
7
−40 −15
10
35
60
85
TA − Free-Air Temperature − °C
Figure 23
OUTPUT VOLTAGE
vs
LOAD CURRENT
15
14
13
12
VCC = ±15 V,
11 _{RF = 330 Ω,}
TA = 25°C
10
0 50 100 150 200 250 300 350 400 450
IL − Load Current − mA
Figure 26
OUTPUT IMPEDANCE
vs
FREQUENCY
100
VCC = ±5 V, ±15 V
RF = 1 kΩ,
10
1
0.1
0.01
0.1
1
10
100
f − Frequency − MHz
1000
Figure 21
INPUT OFFSET VOLTAGE
vs
COMMON-MODE INPUT VOLTAGE
2
VCC = ±15 V,
1.5 RL = 100 Ω,
TA = 25°C
1
0.5
0
−0.5
−1
−1.5
−2
−15 −10 −5
0
5
10 15
VCM − Common-Mode Input Voltage − V
Figure 24
QUIESCENT CURRENT
vs
FREE-AIR TEMPERATURE
12
10
VCC = ±15 V
8
6
VCC = ±5 V
4
2
0
−40 −15
10
35
60
85
TA − Free-Air Temperature − °C
Figure 27
8
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