Datasheet

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SBOS303C − JUNE 2004 − REVISED AUGUST 2008
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11
TYPICAL CHARACTERISTICS: V
S
= +5V (continued)
R
F
= 402Ω, R
L
= 100Ω, and G = +2, unless otherwise noted.
−
75
−
80
−
85
−
90
−
95
−
100
−
105
HARMONIC DISTORTION vs LOAD RESISTANCE
Resistance (
Ω
)
Harmonic Distortion (dBc)
100 1k
2nd−Harmonic
3rd−Harmonic
f=1MHz
V
O
=2V
PP
G=+2V/V
See Figure 3
−
70
−
80
−
90
−
100
−
110
HARMONIC DISTORTION vs OUTPUT VOLTAGE
Output Voltage Swing (V
PP
)
Harmonic Distortion (dBc)
0.1 1 10
2nd−Harmonic
3rd−Harmonic
V
O
=2V
PP
f=1MHz
G=+2V/V
R
L
= 200
Ω
See Figure 3
−
70
−
75
−
80
−
85
−
90
−
95
−
100
HARMONIC DISTORTION vs INVERTING GAIN
Gain (
|
V/V
|
)
Harmonic Distortion (dBc)
110
2nd−Harmonic
3rd−Harmonic
f=1MHz
R
L
= 200
Ω
V
O
=2V
PP
SeeFigure4
−
60
−
70
−
80
−
90
−
100
−
110
HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
Harmonic Distortion (dBc)
0.1 1 10
2nd−Harmonic
3rd−Harmonic
G=+2V/V
R
L
=200
Ω
V
O
=2V
PP
See Figure 3
−
60
−
70
−
80
−
90
−
100
−
110
HARMONIC DISTORTION vs NONINVERTING GAIN
Gain (V/V)
Harmonic Distortion (dBc)
110
2nd−Harmonic
3rd−Harmonic
SeeFigure3
f=1MHz
R
L
= 200
Ω
V
O
=2V
PP
40
35
30
25
20
15
TWO−TONE, 3RD−ORDER
INTERMODULATION INTERCEPT
Frequency (MHz)
Intercept Point (+dBm)
0 5 10 15 20 25 30
402
Ω
OPA820
P
I
+5V
P
O
57.6
Ω
200Ω
80 6
Ω
80 6
Ω
402
Ω
0.01µF
0.01
µ
F