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OPA2681N Datasheet(PDF) 10 Page - Burr-Brown (TI)

[Old version datasheet] Texas Instruments acquired Burr-Brown Corporation.
Part # OPA2681N
Description  Dual Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable
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Manufacturer  BURR-BROWN [Burr-Brown (TI)]
Direct Link  http://www.burr-brown.com
Logo BURR-BROWN - Burr-Brown (TI)

OPA2681N Datasheet(HTML) 10 Page - Burr-Brown (TI)

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10
®
OPA2681
TYPICAL PERFORMANCE CURVES: VS = +5V (CONT)
G = +2, RF = 499Ω, RL = 100Ω to +2.5V, unless otherwise noted (see Figure 2).
–40
–50
–60
–70
–80
2ND HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
0.1
1
10
20
V
O = 2Vp-p
R
L = 100Ω to 2.5V
G = +2, R
F = 499Ω
G = +10, R
F = 200Ω
G = +5, R
F = 360Ω
3RD HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
0.1
1
10
20
–40
–50
–60
–70
–80
V
O = 2Vp-p
R
L = 100Ω to 2.5V
G = +10, R
F = 200Ω
G = +5, R
F = 360Ω
G = +2, R
F = 499Ω
3RD HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
0.1
1
10
20
–50
–60
–70
–80
–90
V
O = 2Vp-p
G = +2
R
L = 100Ω
R
L = 500Ω
R
L = 200Ω
Loads to 2.5V
–45
–50
–55
–60
–65
–70
–75
–80
–85
Single-Tone Load Power (dBm)
–14
–12
–10
–8
–6
–4
–2
0
2
TWO-TONE, 3RD ORDER SPURIOUS LEVEL
50MHz
dBc = dB Below Carrier
Load Power at Matched 50
Ω Load
20MHz
10MHz
10
1
0.1
0.01
CLOSED-LOOP OUTPUT IMPEDANCE
Frequency (Hz)
10k
100M
100k
1M
10M
402
Ω
+5
1/2
OPA2681
–5
402
Ω
50
Ω
Z
O
2ND HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
0.1
1
10
20
–50
–60
–70
–80
–90
V
O = 2Vp-p
G = +2
Loads to 2.5V
R
L = 500Ω
R
L = 200Ω
R
L = 100Ω


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