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OPA2684 Datasheet, PDF (12/33 Pages) Texas Instruments – MINIMAL BANDWIDTH CHANGE VERSUS GAIN, 170MHz BANDWIDTH AT G = +2 | |||
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TYPICAL CHARACTERISTICS: VS = +5V (Cont.)
At TA = +25°C, VS = 5V, G = +2, RF = 1.0kâ¦, and RL = 100â¦, unless otherwise noted.
HARMONIC DISTORTION vs LOAD RESISTANCE
â50
VO = 2Vp-p
â55 f = 5MHz
â60
3rd-Harmonic
â65
â70
â75
â80
â85
See Figure 3
â90
2nd-Harmonic
100
1k
Load Resistance (â¦)
HARMONIC DISTORTION vs FREQUENCY
â50
VO = 2Vp-p
RL = 100â¦
â60
2nd-Harmonic
â70
3rd-Harmonic
â80
See Figure 3
â90
0.1
1
Frequency (MHz)
10 20
HARMONIC DISTORTION vs OUTPUT VOLTAGE
â50
2nd-Harmonic
â60
â70
3rd-Harmonic
â80
See Figure 3
â90
0.5
1
2
3
Output Voltage (Vp-p)
SUPPLY AND OUTPUT CURRENT
vs TEMPERATURE
100
2.9
Right-Scale
90
Supply Current
2.8
80
Left-Scale
2.7
Sourcing Output Current
70
2.6
Left-Scale
Sinking Output Current
60
2.5
50
â50 â25
0
25
50
75
Ambient Temperature (°C)
2.4
100 125
2-TONE, 3RD-ORDER
INTERMODULATION DISTORTION
â50
20MHz
â60
10MHz
â70
5MHz
â80
See Figure 3
â90
â15 â14 â13 â12 â11 â10 â9 â8 â7 â6 â5 â4 â3
Power at Load (each tone, dBm)
COMPOSITE VIDEO DIFFERENTIAL GAIN/PHASE
0.16
G = +2
0.14
NTSC, Positive Video
0.12
0.10
dP
0.08
0.06
0.04
dG
0.02
0
1
2
3
4
Number of 150⦠Video Loads
12
OPA2684
www.ti.com
SBOS239D
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