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OPA682 Datasheet(PDF) 7 Page - Texas Instruments

Part # OPA682
Description  Dual Wideband, Voltage Feedback OPERATIONAL AMPLIFIER With Disable
PDF  22 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

OPA682 Datasheet(HTML) 7 Page - Texas Instruments

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OPA2680
7
TYPICAL PERFORMANCE CURVES: VS = ±5V (CONT)
At TA = +25°C, G = +2, RF = 402Ω, and RL = 100Ω, unless otherwise noted. See Figure 1.
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
2nd HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
0.1
1
10
20
V
O = 2Vp-p
R
L = 100Ω
G = +2
G = +10
G = +5
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
3rd HARMONIC DISTORTION vs FREQUENCY
Frequency (MHz)
0.1
1
10
20
V
O = 2Vp-p
R
L = 100Ω
G = +2
G = +10
G = +5
–40
–50
–60
–70
–80
–90
TWO-TONE, 3rd-ORDER SPURIOUS LEVEL
Single-Tone Load Power (dBm)
–8
–6
–4
–2
0246
8
10
50MHz
20MHz
10MHz
Load Power at matched 50
Ω load
80
70
60
50
40
30
20
10
0
RECOMMENDED RS vs CAPACITIVE LOAD
Capacitive Load (pF)
10
100
12
9
6
3
0
–3
–6
–9
–12
–15
–18
FREQUENCY RESPONSE vs CAPACITIVE LOAD
Frequency (20MHz/div)
0
200MHz
100MHz
1/2
OPA2680
RS
VIN
VO
CL
1k
Ω
402
Ω
402
Ω
1k
Ω is optional
C
L = 22pF
C
L = 10pF
G = +2
C
L = 47pF
C
L = 100pF
100
10
1
INPUT VOLTAGE AND CURRENT NOISE DENSITY
Frequency (Hz)
100
1k
10k
100k
1M
10M
Voltage Noise
Current Noise
2.5pA/
√Hz
4.8nV/
√Hz



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