OPA2680 Datasheet, PDF (10/21 Pages) Burr-Brown (TI) – Dual Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable

TYPICAL PERFORMANCE CURVES: V_S = +5V
At T_A = +25°C, G = +2, R_F = 402Ω, and R_L = 100Ω, unless otherwise noted. See Figure 2.
2nd HARMONIC DISTORTION vs FREQUENCY
–40
V_O = 2Vp-p
–45 _{RL = 100Ω to VS/2}
–50
G = +10
–55
G = +5
–60
–65
G = +2
–70
–75
0.1
1
Frequency (MHz)
10 20
3rd HARMONIC DISTORTION vs FREQUENCY
–40
–45
V_O = 2Vp-p
R_L = 100Ω to V_S/2
–50
–55
G = +10
–60
G = +5
–65
–70
–75
–80
0.1
1
Frequency (MHz)
G = +2
10 20
2nd HARMONIC DISTORTION vs FREQUENCY
–40
–45
V_O = 2Vp-p
–50
R_L = 100Ω
–55
–60
R_L = 200Ω
–65
–70
–75
–80
0.1
1
Frequency (MHz)
R_L = 500Ω
10 20
3rd HARMONIC DISTORTION vs FREQUENCY
–40
V_O = 2Vp-p
–45
–50
–55
R_L = 500
–60
R_L = 200
–65
–70
R_L = 100
–75
–80
0.1
1
Frequency (MHz)
10 20
TWO-TONE, 3RD-ORDER SPURIOUS LEVEL
–40
dBc = dB Below Carrier
–45
50MHz
–50
–55
20MHz
–60
–65
–70
–75
–80
–14 –12
10MHz
Load Power at Matched 50Ω Load
–10 –8 –6 –4 –2 0
2
Single-Tone Load Power (dBm)
CLOSED-LOOP OUTPUT IMPEDANCE vs FREQUENCY
10
+5V
200Ω
1
1/2
OPA2680
Z_O
–5V
402Ω
402Ω
0.1
0.01
10k
100k
1M
10M
Frequency (Hz)
100M
®
OPA2680
10