Datasheet

-50
-55
-60
-65
-70
-75
-80
-85
Resistance( )W
HarmonicDistortion(dBc)
100 1k
G=+2V/V
V =1V
f=5MHz
O PP
3rd-Harmonic
2nd-Harmonic
OutputVoltageSwing(V )
PP
0.1 1 10
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
NormalizedGain(dB)
2nd-Harmonic
3rd-Harmonic
G=+2V/V
R =500
f=5MHz
W
L
InputLimited
-55
-60
-65
-70
-75
-80
-85
-90
-95
-100
Frequency(MHz)
HarmonicDistortion(dBc)
0.1 1 10
2nd-Harmonic
R =150
L
W
2nd-Harmonic
R =500
L
W
3rd-Harmonic
R =150
L
W
3rd-Harmonic
R =500
L
W
G=+2V/V
V =1V
O PP
-40
-45
-50
-55
-60
-65
-70
-75
-80
-85
-90
Single-ToneLoadPower(dBm)
3rd-OrderSpuriousLevel(dBc)
10MHz
5MHz
20MHz
-26 -23 -20 -17 -14 -11 -8
750W
1/4
OPA4830
P
I
P
O
50W
500W
750W
190
170
150
130
110
90
70
50
30
10
CapacitiveLoad(pF)
R ( )
W
S
1 10 100 1k
0.1dBPeakingTargeted
8
7
6
5
4
3
2
1
0
-1
-2
-3
Frequency(MHz)
NormalizedGaintoCapacitiveLoad(dB)
1 10 100 200
C =1000pF
L
C =100pF
L
C =10pF
L
750W
R
S
V
I
V
O
50W
1kW
(1)
C
L
750W
NOTE:(1)1k isoptional.W
1/4
OPA4830
OPA4830
www.ti.com .................................................................................................................................................... SBOS350A – DECEMBER 2006 – REVISED MAY 2008
TYPICAL CHARACTERISTICS: V
S
= +3V (continued)
At T
A
= +25 ° C, G = +2V/V, and R
L
= 150 Ω to V
S
/3, unless otherwise noted (see Figure 73 ).
HARMONIC DISTORTION vs LOAD RESISTANCE HARMONIC DISTORTION vs OUTPUT VOLTAGE
Figure 59. Figure 60.
HARMONIC DISTORTION vs FREQUENCY TWO-TONE, 3RD-ORDER INTERMODULATION SPURIOUS
Figure 61. Figure 62.
RECOMMENDED R
S
vs CAPACITIVE LOAD FREQUENCY RESPONSE vs CAPACITIVE LOAD
Figure 63. Figure 64.
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