OPA2673 Datasheet, PDF (18/40 Pages) Texas Instruments – Dual, Wideband, High Output Current Operational Amplifier with Active Off-Line Control

OPA2673
SBOS382 – JUNE 2008...................................................................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: V_S = ±6V, 50% Bias (continued)
At T_A = +25°C, G = +4V/V, R_F = 402Ω, and R_L = 100Ω, unless otherwise specified.
HARMONIC DISTORTION vs FREQUENCY
-40
G = +4V/V
-50 ^{VO = 2VPP}
R_L = 100W
-60
2nd Harmonic
-70
-80
-90
-100
3rd Harmonic
-110
100k
1M
10M
Frequency (Hz)
Figure 61.
100M
HARMONIC DISTORTION vs LOAD RESISTANCE
-65
G = +4V/V
f = 10MHz
-70 _{VO = 2VPP}
2nd Harmonic
-75
-80
-85
3rd Harmonic
-90
-95
10
100
1k
Resistance (W)
Figure 63.
HARMONIC DISTORTION vs NONINVERTING GAIN
-60
f = 10MHz
R_L = 100W
-65 ^VO ^{= 2V}PP
-70
2nd Harmonic
-75
3rd Harmonic
-80
-85
1
10
Gain (V/V)
Figure 65.
HARMONIC DISTORTION vs OUTPUT VOLTAGE
-55
G = +4V/V
f = 10MHz
-60 _{RL = 100W}
-65
2nd Harmonic
-70
3rd Harmonic
-75
-80
-85
-90
0
2
4
6
8
10
Output Voltage (V_PP)
Figure 62.
HARMONIC DISTORTION vs SUPPLY VOLTAGE
-70
G = +4V/V
R_L = 100W
-72 ^{f = 10MHz}
V_O = 2V_PP
2nd Harmonic
-74
-76
-78
3rd Harmonic
-80
6
7
8
9
10
11
12
Supply Voltage (V_S)
Figure 64.
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 66.
18
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