OPA4830 Datasheet, PDF (14/45 Pages) National Semiconductor (TI) – Quad, Low-Power, Single-Supply, Wideband Operational Amplifier

OPA4830
SBOS350A – DECEMBER 2006 – REVISED MAY 2008.................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: V_S = +5V (continued)
At T_A = +25°C, G = +2V/V, R_F = 750Ω to V_S/2, and input V_CM = 2.5V, unless otherwise noted (see Figure 72).
HARMONIC DISTORTION vs LOAD RESISTANCE
-55
-60
2nd-Harmonic
-65
-70
3rd-Harmonic
-75
-80
G = +2V/V
-85 _{VO = 2VPP}
f = 5MHz
-90
100
1k
Load Resistance (W)
Figure 30.
HARMONIC DISTORTION vs OUTPUT VOLTAGE
-45
-50
-55
G = +2V/V
R_L = 500W
f = 5MHz
Input Limited
-60
2nd-Harmonic
-65
-70
-75
-80
-85
3rd-Harmonic
-90
-95
-100
0.1
1
10
Output Voltage Swing (V_PP)
Figure 32.
HARMONIC DISTORTION vs INVERTING GAIN
-50
-55
-60
2nd-Harmonic
-65
-70
-75
-80
1
3rd-Harmonic
Gain (V/V)
Figure 34.
R_L = 500W
V_O = 2V_PP
f = 5MHz
10
HARMONIC DISTORTION vs FREQUENCY
-50
G = +2V/V
-55 _{VO = 2VPP}
-60
3rd-Harmonic
R_L = 150W
-65
-70
2nd-Harmonic
-75
R_L = 150W
-80
2nd-Harmonic
R_L = 500W
-85
-90
-95
-100
-105
0.1
3rd-Harmonic
R_L = 500W
1
10
Frequency (MHz)
Figure 31.
HARMONIC DISTORTION vs NONINVERTING GAIN
-55
2nd-Harmonic
-60
-65
-70
-75
-80
-85
-90
1
3rd-Harmonic
Gain (V/V)
Figure 33.
R_L = 500W
V_O = 2V_PP
f = 5MHz
10
TWO-TONE, 3RD-ORDER INTERMODULATION SPURIOUS
-45
-50 ^PI
-55
1/4
50W OPA4830
750W
P_O
500W
20MHz
-60
750W
-65
10MHz
-70
-75
-80
5MHz
-85
-90
-95
-26 -23 -20 -17 -14 -11 -8 -5 -2
Single-Tone Load Power (dBm)
Figure 35.
14
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