THS7001_16 Datasheet, PDF (11/41 Pages) Texas Instruments – 70-MHz PROGRAMMABLE-GAIN AMPLIFIERS

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PREAMP LARGE AND SMALL
SIGNAL FREQUENCY
RESPONSE
12
VO(PP) = 1.6 V
6
VCC = ± 5 V
RL = 150 Ω
G = +2
VO(PP) = 0.8 V
0
VO(PP) = 0.4 V
−6
VO(PP) = 0.2 V
−12
−18
100k
1M
10M
100M
f − Frequency − Hz
Figure 20
500M
PREAMP HARMONIC
DISTORTION
vs
OUTPUT VOLTAGE
−30
−40
−50
Gain=5
R_F=300 Ω
R_L=1 ^kΩ
f=1 MHz
V_CC=+/−15 V
2nd Harmonic
−60
−70
V_CC=+/−5 V
2nd Harmonic
−80
−90
V_CC=+/−5 V
3rd Harmonic
V_CC=+/−15 V
3rd Harmonic
−100
0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0
VO(PP) − Peak-To-Peak Output Voltage − V
Figure 23
THS7001, THS7002
70ĆMHz PROGRAMMABLEĆGAIN AMPLIFIERS
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SLOS214C − OCTOBER 1998 − REVISED MARCH 2007
TYPICAL CHARACTERISTICS
PREAMP LARGE AND SMALL
SIGNAL FREQUENCY
RESPONSE
12
VO(PP) = 1.6 V
6
VCC = ± 15 V
RL = 150 Ω
G = +2
VO(PP) = 0.8 V
0
VO(PP) = 0.4 V
−6
VO(PP) = 0.2 V
−12
−18
100k
1M
10M
100M
f − Frequency − Hz
Figure 21
500M
PREAMP HARMONIC
DISTORTION
vs
FREQUENCY
−30
−40
−50
R_L= 250 Ω
Gain=+8 dB
V_O(PP)= 2 V
V_CC=+/−5 V
3rd Harmonic
−60
−70
−80
V_CC=+/−5 V
2nd Harmonic
V_CC=+/−15 V
2nd Harmonic
−90
−100
100k
V_CC=+/−15 V
3rd Harmonic
1M
10M
f − Frequency − Hz
Figure 22
PREAMP SLEW RATE
vs
FREE-AIR TEMPERATURE
100
VCC = ±15 V
90
VO _(PP) = 20 V
80
70
60
50
VCC = ±5 V
VO _(PP) = 5 V
40
RL= 200 Ω
30
−40 −20 0 20 40
60 80 100
TA − Free-Air Temperature − °C
Figure 24
PREAMP 400-mV
STEP RESPONSE
0.3
G = +2
VCC = ±5 V
0.2
RL = 200 Ω
0.1
0
−0.1
−0.2
−0.3
0
50 100 150 200 250 300
t − Time − ns
Figure 25
PREAMP 5-V
STEP RESPONSE
3
2
1
0
−1
G = −1
VCC = ±5 V
−2
RL = 200 Ω
−3
0
50 100 150 200 250 300
t − Time − ns
Figure 26
PREAMP 5-V
STEP RESPONSE
3
G= +2
VCC = ±5 V
2
RL = 200 Ω
1
0
−1
−2
−3
0
50 100 150 200 250 300
t − Time − ns
Figure 27
12.5
10
7.5
5
2.5
0
−2.5
−5
−7.5
−10
−12.5
0
PREAMP 20-V
STEP RESPONSE
G = +5
VCC = ±15 V
RL = 200 Ω
200 400 600
t − Time − ns
Figure 28
800 1000
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