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OPA2690 Datasheet, PDF (12/30 Pages) Burr-Brown (TI) – Dual, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER with Disable | |||
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OPA2690
SBOS238D â JUNE 2002 â REVISED DECEMBER 2004
TYPICAL CHARACTERISTICS: VS = +5V (continued)
At TA = +25°C, G = +2, RF = 402â¦, and RL = 100⦠(see Figure 2 for AC performance only), unless otherwise noted.
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HARMONIC DISTORTION vs LOAD RESISTANCE
â60
VO = 2VPP
f = 5MHz
â65
â70
3rdâHarmonic
â75
2ndâHarmonic
â80
100
Resistance ( ⦠)
1000
HARMONIC DISTORTION vs OUTPUT VOLTAGE
â60
RL = 100â¦to 2.5V
f = 5MHz
â65
3rdâHarmonic
â70
2ndâHarmonic
â75
â80
0.1
1
3
Output Voltage Swing (VPP)
HARMONIC DISTORTION vs FREQUENCY
â40
VO = 2VPP
â50 RL = 100â¦to 2.5V
â60
2ndâHarmonic
â70
â80
3rdâHarmonic
â90
â100
0.1
1
Frequency (MHz)
10 20
2âTONE, 3RDâORDER
INTERMODULATION SPURIOUS
â30
â35
50MHz
â40
â45
â50
20MHz
â55
â60
â65
â70
â75
â14
10MHz
Load Power at Matched 50⦠Load, see Figure 2
â12 â10 â8 â6 â4 â2 0
2
SingleâTone Load Power (dBm)
12
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