OPA2890_08 Datasheet, PDF (14/35 Pages) Texas Instruments – Low-Power, Wideband, Voltage-Feedback OPERATIONAL AMPLIFIER with Disable

OPA2890
SBOS364B – DECEMBER 2007 – REVISED MAY 2008.................................................................................................................................................... www.ti.com
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.
NONINVERTING OVERDRIVE RECOVERY
6.5
4.5
5.5
4.0
4.5
3.5
3.5
Output Voltage
Left Scale
2.5
1.5
3.0
2.5
Input Voltage
Right Scale
2.0
0.5
1.5
-0.5
1.0
-1.5
0.5
Time (10ns/div)
Figure 38.
HARMONIC DISTORTION vs FREQUENCY
-50
V_O = 2V_PP
R_L = 200W to V_S/2
-60 G = +2V/V
-70
HARMONIC DISTORTION vs LOAD RESISTANCE
-70
-75
2nd Harmonic
V_O = 2V_PP
f = 1MHz
G = +2V/V
-80
-85
3rd Harmonic
-90
-95
100
1k
Resistance (W)
Figure 39.
HARMONIC DISTORTION vs OUTPUT VOLTAGE
-75
R_L = 200W to V_S/2
f = 1MHz
G = +2V/V
-80
2nd Harmonic
-80
2nd Harmonic
-90
-100
0.1
3rd Harmonic
1
Frequency (MHz)
Figure 40.
-85
-90
10
0.1
3rd Harmonic
1
10
Output Voltage Swing (V_PP)
Figure 41.
TWO-TONE, 3RD-ORDER INTERMODULATION SPURIOUS
-30
Load Power at Matched 50W Load
-40
10MHz
-50
-60
5MHz
-70
-80
1MHz
-90
-100
-8 -7 -6 -5 -4 -3 -2 -1 0 1 2
Single-Tone Load Power (dB)
Figure 42.
14
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