OPA2890 Datasheet, PDF (8/38 Pages) Texas Instruments – Low-Power, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER with Disable

OPA2890
SBOS364C – DECEMBER 2007 – REVISED DECEMBER 2009
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TYPICAL CHARACTERISTICS: V_S = ±5V (continued)
At T_A = +25°C, G = +2V/V, R_F = 750Ω, and R_L = 200Ω, unless otherwise noted. See Figure 49.
HARMONIC DISTORTION vs LOAD RESISTANCE
1MHz HARMONIC DISTORTION vs SUPPLY VOLTAGE
-70
-75
2nd Harmonic
V_O = 2V_PP
f = 1MHz
G = +2V/V
-75
V_O = 2V_PP
R_L = 200W
G = +2V/V
-80
2nd Harmonic
-80
-85
-85
3rd Harmonic
-90
3rd Harmonic
-90
-95
100
1k
Resistance (W)
Figure 7.
HARMONIC DISTORTION vs FREQUENCY
-50
V_O = 2V_PP
-60
R_L = 200W
G = +2V/V
-70
-80
-90
-100
2nd Harmonic
3rd Harmonic
-110
0.1
1
10
Frequency (MHz)
Figure 9.
HARMONIC DISTORTION vs NONINVERTING GAIN
-70
V_O = 2V_PP
R_L = 200W
-75 f = 1MHz
2nd Harmonic
-95
2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (±V_S)
Figure 8.
HARMONIC DISTORTION vs OUTPUT VOLTAGE
-75
R_L = 200W
f = 1MHz
G = +2V/V
-80
2nd Harmonic
-85
-90
3rd Harmonic
-95
0.1
1
10
Output Voltage Swing (V_PP)
Figure 10.
HARMONIC DISTORTION vs INVERTING GAIN
-65
V_O = 2V_PP
R_L = 200W
-70 f = 1MHz
2nd Harmonic
-80
-75
3rd Harmonic
-85
-80
3rd Harmonic
-90
-85
-95
1
10
20
Gain (V/V)
Figure 11.
-90
-1
-10
-20
Gain (V/V)
Figure 12.
8
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