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OPA2674_17 Datasheet, PDF (9/36 Pages) Texas Instruments – Dual Wideband, High Output Current Operational Amplifier with Current Limit | |||
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TYPICAL CHARACTERISTICS: VS = ±6V (continued)
At TA = +25°C, G = +4, RF = 402â¦, and RL = 100â¦, unless otherwise noted.
OPA2674
SBOS270C â AUGUST 2003 â REVISED AUGUST 2008
HARMONIC DISTORTION vs LOAD RESISTANCE
â50
â55
VO = 2VPP
f = 5MHz
â60
â65
2ndâHarmonic
â70
â75
â80
3rdâHarmonic
â85
â90
â95
Single Channel, See Figure 1
â100
10
100
1k
Load Resistance (â¦)
2âTONE, 3rdâORDER SPURIOUS LEVEL
â60
dBc = dB Below Carriers
â65
â70
20MHz
â75
10MHz
â80
â85
5MHz
1MHz
â90
â95
Power at Matched 50â¦Load, See Figure 1
â100
â10
â5
0
5
10
SingleâTone Load Power (dBm)
MAXIMUM OUTPUT SWING vs LOAD RESISTANCE
6
5
4
3
2
1
0
â1
â2
â3
â4
â5
â6
10
100
1k
Load Resistance (â¦)
OUTPUT VOLTAGE AND CURRENT LIMITATIONS
6
5
4
3
R = 100â¦
2
L
R = 50â¦
1
L
0
â1
1 W In terna l Power
Single Channel
â2
R = 25â¦
L
R = 10â¦
L
â3
â4
â5
â6
â600
â400 â200
1 W In ternal Power
Single Channel
0
200
400
600
IO (mA)
INPUT VOLTAGE AND CURRENT NOISE DENSITY
100
Inverting Current N oise
24pA/â Hz
Noninverting Current Noise 16pA/â H z
10
Voltage Noise 2.0nV/âHz
1
100
1k
10k
100k
1M
10M
Frequency (Hz)
CHANNELâTOâCHANNEL CROSSTALK
â60
Input Referred
â65
â70
â75
â80
â85
â90
â95
â100
â105
â110
1M
10M
Frequency (Hz)
100M
9
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