OPA2673 Datasheet, PDF (11/40 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 Differential, Full Bias (continued)
At T_A = +25°C, R_F = 511Ω, R_L = 100Ω Differential, G_DIFF = +4V/V, and G_CM = +1V/V, unless otherwise specified.
HARMONIC DISTORTION vs FREQUENCY
-60
G_DIFF = +4V/V
G_CM = +1V/V
-70 R_L = 100W Differential
V_O = 2V_PP
-80
2nd Harmonic
-90
-100
3rd Harmonic
-110
0.1
1
10
100
Frequency (MHz)
Figure 29.
HARMONIC DISTORTION vs LOAD RESISTANCE
-75
G_DIFF = +4V/V
-80
G_CM = +1V/V
V_O = 2V_PP
f = 10MHz
-85
3rd Harmonic
-90
2nd Harmonic
-95
HARMONIC DISTORTION vs OUTPUT VOLTAGE
-55
-60
G_DIFF = +4V/V
G_CM = +1V/V
-65 _{RL = 100W Differential}
-70 _{f = 10MHz}
3rd Harmonic
-75
-80
-85
2nd Harmonic
-90
-95
-100
-105
-110
0
2
4
6
8
10
Output Voltage (V_PP)
Figure 30.
HARMONIC DISTORTION vs NONINVERTING GAIN
-70
G_CM = +1V/V
-75
V_O = 2V_PP
f = 10MHz
R_L = 100W Differential
-80
3rd Harmonic
-85
-90
-100
-95
2nd Harmonic
-105
-100
10
100
1k
1
10
Resistance (W)
Gain (V/V)
Figure 31.
Figure 32.
HARMONIC DISTORTION vs SUPPLY VOLTAGE
-84
3rd Harmonic
-86
-88 _{GDIFF = +4V/V}
G_CM = +1V/V
-90 R_L = 100W Differential
f = 10MHz
-92 ^VO ^{= 2V}PP
-94
2nd Harmonic
-96
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (±V_S)
Figure 33.
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