Datasheet
OPA691
10
SBOS226D
www.ti.com
TYPICAL CHARACTERISTICS: V
S
= +5V (Cont.)
G = +2, R
F
= 453Ω, and R
L
= 100Ω to +2.5V, unless otherwise noted (see Figure 2).
–60
–65
–70
–75
–80
HARMONIC DISTORTION vs LOAD RESISTANCE
Resistance (Ω)
100 1000
Harmonic Distortion (dBc)
V
O
= 2Vp-p
f
= 5MHz
2nd-Harmonic
3rd-Harmonic
HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
0.1 1 10 20
Harmonic Distortion (dBc)
–50
–60
–70
–80
–90
V
O
= 2Vp-p
R
L
= 100Ω to 2.5V
2nd-Harmonic
3rd-Harmonic
HARMONIC DISTORTION vs OUTPUT VOLTAGE
Output Voltage Swing (Vp-p)
0.1 1 3
Harmonic Distortion (dBc)
–60
–65
–70
–75
–80
R
L
= 100Ω to 2.5V
f = 5MHz
2nd-Harmonic
3rd-Harmonic
–30
–40
–50
–60
–70
–80
–90
–100
2-TONE, 3RD-ORDER
INTERMODULATION SPURIOUS
Single-Tone Load Power (dBm)
–14 –12 –10 –8 –6 –4 –20 2
3rd-Order Spurious Level (dBc)
dBc = dB below carriers
50MHz
20MHz
10MHz
Load Power at Matched 50Ω Load