OPA4872 Datasheet, PDF (6/27 Pages) Texas Instruments – 4:1 High-Speed Multiplexer

OPA4872
SBOS346C – JUNE 2007 – REVISED MARCH 2011
www.ti.com
TYPICAL CHARACTERISTICS (continued)
At T_A = +25°C, G = +2V/V, R_F = 523Ω, and R_L = 150Ω, unless otherwise noted.
HARMONIC DISTORTION vs LOAD RESISTANCE
HARMONIC DISTORTION vs SUPPLY VOLTAGE
-55
-60
-65
-70
-75
-80
-85
-90
100
2nd-Harmonic
V_O = 2V_PP
f = 5MHz
3rd-Harmonic
dBc = dB Below Carrier
1k
Load Resistance (W)
-55
-60
-65
-70
-75
-80
-85
V_O = 2V_PP
-90 R_L = 150W
f = 5MHz
-95
2.5 3.0
2nd-Harmonic
3rd-Harmonic
dBc = dB Below Carrier
3.5 4.0 4.5 5.0 5.5 6.0
Supply Voltage (±V_S)
Figure 7.
Figure 8.
HARMONIC DISTORTION vs FREQUENCY
-40
-45
V_O = 2V_PP
R_L = 150W
-50
-55
-60 _2nd-Harmonic
-65
-70
-75
3rd-Harmonic
-80
-85
-90
-95
1
dBc = dB Below Carrier
10
100
Frequency (MHz)
Figure 9.
HARMONIC DISTORTION vs OUTPUT VOLTAGE
-50
-55
R_L = 150W
f = 5MHz
-60
-65
2nd-Harmonic
-70
-75
3rd-Harmonic
-80
-85
-90
-95
dBc = dB Below Carrier
-100
0.5 1.5 2.5 3.5 4.5 5.5 6.5 7.5
Output Voltage Swing (V_PP)
Figure 10.
OUTPUT VOLTAGE AND CURRENT LIMITATIONS
6
1W Internal
5 _{Power Limit}
4
3
100W Load
2
1
0
25W Load
50W Load
-1
-2
1W Internal
-3
Power Limit
-4
-5
-200
-100
0
100
200
300
Output Current (mA)
Figure 11.
DISABLE AND SHUTDOWN FEEDTHROUGH vs
FREQUENCY
-20
Input-referred
-30
-40
-50
Shutdown Feedthrough
-60
-70
-80
Disable Feedthrough
-90
-100
-110
1M
10M
100M
1G
Frequency (Hz)
Figure 12.
6
Submit Documentation Feedback
Product Folder Link(s): OPA4872
Copyright © 2007–2011, Texas Instruments Incorporated