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OPA4820 Datasheet, PDF (6/35 Pages) Texas Instruments – Quad, Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier | |||
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OPA4820
SBOS317D â SEPTEMBER 2004 â REVISED AUGUST 2008
TYPICAL CHARACTERISTICS: VS = ±5V (continued)
RF = 402â¦, RL = 100â¦, and G = +2, unless otherwise noted.
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HARMONIC DISTORTION vs LOAD RESISTANCE
â60
â65
â70
â75
2ndâHarmonic
â80
â85
â90
â95
â100
G = +2V/V
f = 1MHz
VO = 2VPP
â105
100
3rdâHarmonic
Resistance (â¦)
1000
1MHz HARMONIC DISTORTION vs SUPPLY VOLTAGE
â60
G = +2V/V
â65 RL = 200â¦
â70 VO = 2VPP
See Figure 1
â75
â80
2ndâHarmonic
â85
â90
â95
3rdâHarmonic
â100
â105
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (±VS)
HARMONIC DISTORTION vs FREQUENCY
â60
G = +2V/V
â65 VO = 2VPP
â70 RL = 200â¦
See Figure 1
2ndâHarmonic
â75
â80
â85
â90
3rdâHarmonic
â95
â100
â105
0.1
1
10
Frequency (MHz)
HARMONIC DISTORTION vs OUTPUT VOLTAGE
â60
G = +2V/V
â65 f = 1MHz
â70 RL = 200â¦
See Figure 1
â75
â80
2ndâHarmonic
â85
â90
3rdâHarmonic
â95
â100
â105
0.1
1
10
Output Voltage Swing (VPP)
HARMONIC DISTORTION vs NONINVERTING GAIN
â70
f = 1MHz
â75 RL = 200â¦
â80
VO = 2VPP
See Figure 1
2ndâHarmonic
â85
â90
3rdâHarmonic
â95
â100
â105
â110
1
10
Gain (V/V)
HARMONIC DISTORTION vs INVERTING GAIN
â70
â75
2ndâHarmonic
â80
â85
3rdâHarmonic
â90
â95
â100
â105
f = 1MHz
RL = 200â¦
VO = 2VPP
See Figure 2
â110
1
10
Gain ( V/V )
6
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