OPA681N BURR-BROWN [Burr-Brown Corporation], OPA681N Datasheet - Page 10

• Manufacturer Part Number: OPA681N
• Description: Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable
• Manufacturer: BURR-BROWN [Burr-Brown Corporation]

TYPICAL PERFORMANCE CURVES: V
G = +2, R
–40
–50
–60
–70
–80
–50
–60
–70
–80
–90
–45
–50
–55
–60
–65
–70
–75
–80
–85
–14
0.1
0.1
F
= 499 , and R
Loads to 2.5V
dBc = dB below carriers
V
R
V
O
O
L
G = +2
2ND HARMONIC DISTORTION vs FREQUENCY
2ND HARMONIC DISTORTION vs FREQUENCY
= 100 to 2.5V
= 2Vp-p
= 2Vp-p
–12
®
TWO-TONE, 3RD ORDER SPURIOUS LEVEL
OPA681
–10
Single-Tone Load Power (dBm)
Load Power at Matched 50 Load
L
= 100
G = +5, R
20MHz
10MHz
–8
Frequency (MHz)
Frequency (MHz)
to +2.5V, unless otherwise noted (see Figure 2).
1
1
50MHz
R
F
L
–6
= 360
= 200
G = +10, R
R
–4
L
= 100
G = +2, R
R
L
–2
F
= 500
= 200
F
10
10
= 499
0
20
20
2
10
0.01
–40
–50
–60
–70
–80
–50
–60
–70
–80
–90
0.1
10
1
S
10k
0.1
0.1
= +5V
Loads to 2.5V
V
V
R
402
O
O
L
G = +2
3RD HARMONIC DISTORTION vs FREQUENCY
3RD HARMONIC DISTORTION vs FREQUENCY
= 100 to 2.5V
= 2Vp-p
= 2Vp-p
50
CLOSED-LOOP OUTPUT IMPEDANCE
OPA681
100k
+5
–5
402
(CONT)
Frequency (MHz)
Frequency (MHz)
Frequency (Hz)
Z
1
1
O
R
1M
L
= 200
G = +5, R
R
G = +10, R
R
L
G = +2, R
L
= 100
= 500
F
10M
= 360
F
F
10
10
= 200
= 499
100M
20
20