OPA2695 Datasheet, PDF (14/40 Pages) Texas Instruments – Dual, Ultra-Wideband, Current-Feedback OPERATIONAL AMPLIFIER with Disable

OPA2695
SBOS354 – APRIL 2008..................................................................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: V_S = ±5V, Differential Operation (continued)
At G_D = 10V/V, R_F = 500Ω, and R_L = 800Ω, unless otherwise noted.
DIFFERENTIAL HARMONIC DISTORTION vs LOAD
RESISTANCE
-60
G_D = 10V/V
f = 20MHz
-70
V_O = 2V_PP
2nd Harmonic
-80
DIFFERENTIAL HARMONIC DISTORTION vs OUTPUT
VOLTAGE
-60
G_D = 10V/V
f = 20MHz
-70 ^{RL = 800W}
3rd Harmonic
-80
-90
3rd Harmonic
2nd Harmonic
-90
-100
200
1k
Load Resistance (W)
Figure 39.
DIFFERENTIAL HARMONIC DISTORTION vs
NONINVERTING GAIN
-75
f = 20MHz
V_O = 2V_PP
-80 R_L = 800W
-85
3rd Harmonic
-90
-95
-100
2
2nd Harmonic
10
20
Noninverting Gain (V/V)
Figure 41.
DIFFERENTIAL HARMONIC DISTORTION vs SUPPLY
VOLTAGE
-60
G_D = 10V/V
f = 20MHz
V_O = 2V_PP
-70
3rd Harmonic
R_L = 800W
-80
2nd Harmonic
-90
-100
5
6
7
8
9
10
Supply Voltage (V)
Figure 43.
-100
1
2
3
4
5
6
7
8
Output Voltage (V_PP)
Figure 40.
DIFFERENTIAL HARMONIC DISTORTION vs INVERTING
GAIN
-80
f = 20MHz
V_O = 2V_PP
-85 ^{RL = 800W}
3rd Harmonic
-90
-95
-100
2
2nd Harmonic
10
20
Inverting Gain (|V/V|)
Figure 42.
2-TONE, 3RD-ORDER INTERMODULATION INTERCEPT
50
45
40
35 ^PI
+5V
OPA2695
50W
500W
50W
500W
P_O
800W
30
OPA2695
-5V
25
20 40 60 80 100 120 140 160 180 200 220 240
Frequency (MHz)
Figure 44.
14
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