OPA2673 Datasheet, PDF (13/40 Pages) Texas Instruments – Dual, Wideband, High Output Current Operational Amplifier with Active Off-Line Control

OPA2673
www.ti.com..................................................................................................................................................... SBOS382A – JUNE 2008 – REVISED OCTOBER 2008
TYPICAL CHARACTERISTICS: V_S = ±6V, 75% Bias (continued)
At T_A = +25°C, G = +4V/V, R_F = 402Ω, and R_L = 100Ω, unless otherwise specified.
HARMONIC DISTORTION vs FREQUENCY
-55
G = +4V/V
-60 _{VO = 2VPP}
-65 ^RL ^{= 100W}
-70
2nd Harmonic
-75
-80
-85
3rd Harmonic
-90
-95
-100
-105
0.1
1
10
100
Frequency (MHz)
Figure 40.
HARMONIC DISTORTION vs LOAD RESISTANCE
-65
G = +4V/V
f = 10MHz
-70 _{VO = 2VPP}
-75
2nd Harmonic
-80
HARMONIC DISTORTION vs OUTPUT VOLTAGE
-60
G = +4V/V
-65 f = 10MHz
-70 ^{RL = 100W}
-75
2nd Harmonic
3rd Harmonic
-80
-85
-90
-95
-100
-105
0
2
4
6
8
10
Output Voltage (V_PP)
Figure 41.
HARMONIC DISTORTION vs SUPPLY VOLTAGE
-74
G = +4V/V
R_L = 100W
-76 _{f = 10MHz, VO = 2VPP}
-78
2nd Harmonic
-80
-85
-90
-95
10
3rd Harmonic
100
1k
Resistance (W)
Figure 42.
HARMONIC DISTORTION vs NONINVERTING GAIN
-60
f = 10MHz
-65 ^{RL = 100W}
V_O = 2V_PP
-70
2nd Harmonic
-75
-80
-85
3rd Harmonic
-90
-95
1
10
Gain (V/V)
Figure 44.
-82
3rd Harmonic
-84
-86
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Supply Voltage (±V_S)
Figure 43.
TWO-TONE, THIRD-ORDER INTERMODULATION
INTERCEPT
60
50
40
30
20
10
0
0
Power at Matched 50W Load
10 20 30 40 50 60 70 80 90 100
Frequency (MHz)
Figure 45.
Copyright © 2008, Texas Instruments Incorporated
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