OPA875 Datasheet, PDF (6/18 Pages) Texas Instruments – Single 2:1 High-Speed Video Multiplexer

OPA875
SBOS340 – DECEMBER 2006
TYPICAL CHARACTERISTICS: V_S = ±5V (continued)
At G = +2 and R_L = 150Ω, unless otherwise noted.
www.ti.com
HARMONIC DISTORTION vs LOAD RESISTANCE
-60
V_O = 2V_PP
f = 10MHz
-65
2nd-Harmonic
-70
-75
-80
-85
-90
100
3rd-Harmonic
dBc = dB Below Carrier
1k
Resistance (W)
Figure 7.
HARMONIC DISTORTION vs SUPPLY VOLTAGE
-40
-45
-50
V_O = 2V_PP
R_L = 150W
f = 10MHz
-55
-60
2nd-Harmonic
-65
-70
-75
3rd-Harmonic
-80
-85
-90
dBc = dB Below Carrier
-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 FREQUENCY
-40
-45
V_O = 2V_PP
R_L = 150W
-50
-55
2nd-Harmonic
-60
-65
-70
-75
-80
3rd-Harmonic
-85
-90
-95
1M
dBc = dB Below Carrier
10M
100M
Frequency (Hz)
Figure 9.
HARMONIC DISTORTION vs OUTPUT VOLTAGE
-55
-60
R_L = 150W
f = 10MHz
-65
-70
2nd-Harmonic
-75
-80
-85
3rd-Harmonic
-90
-95
-100
-105
0.5
dBc = dB Below Carrier
1.5
2.5
3.5
4.5
5.5
Output Voltage Swing (V_PP)
6.5 7.0
Figure 10.
TWO-TONE, 3RD-ORDER INTERMODULATION SPURIOUS
-50
R_L = 100W
Load Power at Matched 50W Load
-60 dBc = dB Below Carrier
-70
50MHz
-80
20MHz
10MHz
-90
-100
-6 -4 -2 0
2
4
6
Single-Tone Load Power (dBm)
Figure 11.
8 10
OUTPUT VOLTAGE AND CURRENT LIMITATIONS
5
1W Internal
4 _{Power Limit}
3
2
100W Load Line
1
25W Load Line
0
-1
-2
50W Load Line
-3
1W Internal
-4
Power Limit
-5
-200 -150 -100
-50 0 50
I_O (mA)
100 150 200
Figure 12.
6
Submit Documentation Feedback