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OPA2682 Datasheet, PDF (8/20 Pages) Burr-Brown (TI) – Dual, Wideband, Fixed Gain BUFFER AMPLIFIER With Disable | |||
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TYPICAL PERFORMANCE CURVES: VS = ±5V (Cont.)
G = +2 and RL = 100â¦, unless otherwise noted (see Figure 1).
HARMONIC DISTORTION
vs OUTPUT VOLTAGE
â50
f = 5MHz
â60
2nd Harmonic
â70
â80
â90
0.1
3rd Harmonic
1
5
Output Voltage (Vp-p)
2nd HARMONIC DISTORTION
vs FREQUENCY
â50
VO = 2Vp-p
â60
â70
â80
â90
0.1
G = +1
G = +2
G = â1
1
Frequency (MHz)
10 20
3rd HARMONIC DISTORTION
vs FREQUENCY
â50
VO = 2Vp-p
â60
â70
G = +2
G = â1
G = +1
â80
â90
0.1
1
Frequency (MHz)
10 20
INPUT VOLTAGE AND CURRENT NOISE DENSITY
100
Inverting Input Current Noise
15.1pA/âHz
10
Non-Inverting Input Current Noise 12.2pA/âHz
1
100
Voltage Noise
2.2nV/âHz
1k
10k
100k
1M
10M
Frequency (Hz)
â50
VO = 2Vp-p
f0 = 5MHz
â60
â70
HARMONIC DISTORTION
vs LOAD RESISTANCE
2nd Harmonic
3rd Harmonic
â80
â90
10
100
RL (â¦)
1000
TWO-TONE, 3rd-ORDER
INTERMODULATION SPURIOUS
â40
â45 dBc = dB below carriers
â50
50MHz
â55
â60
â65
â70
20MHz
â75
â80
â85
10MHz
â90
Load Power at Matched 50⦠Load
â8 â6 â4 â2 0 2 4 6 8 10
Single-Tone Load Power (dBm)
®
OPA2682
8
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