THS3122 Datasheet, PDF (9/20 Pages) Texas Instruments – LOW-NOISE, HIGH-SPEED, 450 mA CURRENT FEEDBACK AMPLIFIERS

THS3122
THS3125
TYPICAL CHARACTERISTICS
SLOS382 − SEPTEMBER 2001
QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
12
85 °C
10
8
25 °C
6
−40 °C
4
2
0
0 2.5 5 7.5 10 12.5 15
VCC − Supply Voltage − ±V
SHUTDOWN SUPPLY CURRENT
vs
FREE-AIR TEMPERATURE
450
VSD = 3.3 V
400 _{RF = 750 Ω}
350
VCC = ±15 V
300
250
VCC = ±5 V
200
150
100
50
0
−40 −15
10
35
60
85
TA − Free-Air Temperature − °C
Figure 28
DIFFERENTIAL PHASE AND GAIN ERROR
vs
75 Ω SERIALLY TERMINATED LOADS
0.08
0.35
VCC = ±5 V,
0.07 G = 2,
0.3
40 IRE Modulation
0.06 _{±100 IRE Ramp}
NTSC
0.25
0.05
Gain Error
0.2
0.04
Phase Error
0.15
0.03
0.1
0.02
0.01
0.05
0
0
12345678
75 Ω Serially Terminated Loads
Figure 29
DIFFERENTIAL PHASE AND GAIN ERROR
vs
75 Ω SERIALLY TERMINATED LOADS
0.07
0.35
VCC = ±15 V,
0.06 ^{G = 2,}
40 IRE Modulation
0.3
±100 IRE Ramp
0.05 _NTSC
0.25
0.04
Gain Error
0.2
Phase Error
0.03
0.15
0.02
0.1
0.01
0
1
234567
75 Ω Serially Terminated Loads
0.05
0
8
Figure 30
Figure 31
THS3125
SHUTDOWN RESPONSE
5
4
VCC = ±15 V
G=8
3
RF = 330 Ω
RL = 100 Ω
2
1
0
2
1.5
1
0.5
0
0 1 2 3 4 5 6 7 8 9 10
t − Time − µs
SMALL SIGNAL PULSE RESPONSE
0.3
0.2
0.1
0
−0.1
−0.2
−0.3
0
VCC = ±5 V,
G = 2,
RF = 470 Ω,
RL = 50 Ω
100 200 300 400 500 600
t − Time − ns
SMALL SIGNAL PULSE RESPONSE
0.3
0.2
0.1
0
−0.1
−0.2
−0.3
0
VCC = ±15 V,
G = 2,
RF = 470 Ω,
RL = 50 Ω
100 200 300 400 500 600
t − Time − ns
Figure 32
Figure 33
Figure 34
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