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OPA4820ID Datasheet, PDF (11/34 Pages) Texas Instruments – Quad, Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier | |||
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www.ti.com
TYPICAL CHARACTERISTICS: VS = +5V (continued)
RF = 402â¦, RL = 100⦠to VS/2, and G = +2, unless otherwise noted.
OPA4820
SBOS317D â SEPTEMBER 2004 â REVISED AUGUST 2008
HARMONIC DISTORTION vs LOAD RESISTANCE
â60
â65
G = +2V/V
f = 1MHz
â70
VO = 2VPP
â75
2ndâHarmonic
â80
â85
â90
3rdâHarmonic
â95
â100
â105
100
Resistance (â¦)
1000
HARMONIC DISTORTION vs FREQUENCY
â60
â65 G = +2V/V
RL = 200â¦
â70 VO = 2VPP
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 3
â75
â80
2ndâHarmonic
â85
â90
â95
â100
3rdâHarmonic
â105
0.1
1
10
Output Voltage Swing (VPP)
HARMONIC DISTORTION vs INVERTING GAIN
â60
f = 1MHz
â65 RL = 200â¦
â70 VO = 2VPP
See Figure 4
2ndâHarmonic
â75
â80
â85
3rdâHarmonic
â90
â95
â100
â105
1
10
Gain ( V/V )
HARMONIC DISTORTION vs NONINVERTING GAIN
â60
f = 1MHz
â65 RL = 200â¦
â70 VO = 2VPP
See Figure 3
â75
2ndâHarmonic
â80
â85
â90
3rdâHarmonic
â95
â100
â105
1
10
Gain (V/V)
40
35
30
25
20
15
0
TWOâTONE, 3RDâORDER
INTERMODULATION INTERCEPT
+5V
0.01µF
806â¦
P
I
57.6â¦
1/4
806⦠OPA4820
402â¦
402â¦
0.1µF
PO
200â¦
0.1µF
5
10
15
20
25
30
Frequency (MHz)
11
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