OPA4820 Datasheet, PDF (11/35 Pages) Texas Instruments – Quad, Unity-Gain Stable, Low-Noise, Voltage-Feedback Operational Amplifier

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TYPICAL CHARACTERISTICS: V_S = +5V (continued)
RF = 402Ω, RL = 100Ω to VS/2, and G = +2, unless otherwise noted.
OPA4820
SBOS317D − SEPTEMBER 2004 − REVISED AUGUST 2008
HARMONIC DISTORTION vs LOAD RESISTANCE
−60
−65
G = +2V/V
f = 1MHz
−70
V_O = 2V_PP
−75
2nd−Harmonic
−80
−85
−90
3rd−Harmonic
−95
−100
−105
100
Resistance (Ω)
1000
HARMONIC DISTORTION vs FREQUENCY
−60
−65 ^{G = +2V/V}
R_L = 200Ω
−70 V_O = 2V_PP
2nd−Harmonic
−75
−80
−85
−90
3rd−Harmonic
−95
−100
−105
0.1
1
10
Frequency (MHz)
HARMONIC DISTORTION vs OUTPUT VOLTAGE
−60
G = +2V/V
−65 _{f = 1MHz}
−70 ^{RL = 200Ω}
See Figure 3
−75
−80
2nd−Harmonic
−85
−90
−95
−100
3rd−Harmonic
−105
0.1
1
10
Output Voltage Swing (V_PP)
HARMONIC DISTORTION vs INVERTING GAIN
−60
f = 1MHz
−65 _{RL = 200Ω}
−70 ^{VO = 2VPP}
See Figure 4
2nd−Harmonic
−75
−80
−85
3rd−Harmonic
−90
−95
−100
−105
1
10
Gain ( V/V )
HARMONIC DISTORTION vs NONINVERTING GAIN
−60
f = 1MHz
−65 _{RL = 200Ω}
−70 ^{VO = 2VPP}
See Figure 3
−75
2nd−Harmonic
−80
−85
−90
3rd−Harmonic
−95
−100
−105
1
10
Gain (V/V)
40
35
30
25
20
15
0
TWO−TONE, 3RD−ORDER
INTERMODULATION INTERCEPT
+5V
0.01µF
806Ω
P
I
57.6Ω
1/4
806Ω OPA4820
402Ω
402Ω
0.1µF
PO
200Ω
0.1µF
5
10
15
20
25
30
Frequency (MHz)
11