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OPA2631 Datasheet, PDF (9/17 Pages) Burr-Brown (TI) – Dual, Low Power, Single-Supply OPERATIONAL AMPLIFIER | |||
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TYPICAL PERFORMANCE CURVES: VS = +3V
At TA = 25°C, G = +2, RF = 750â¦, and RL = 150⦠to VS / 2, unless otherwise noted (see Figure 1).
SMALL-SIGNAL FREQUENCY RESPONSE
6
3 VO = 200mVp-p
G = +2
0
â3
G = +5
â6
â9
â12
â15
G = +10
â18
â21
â24
1
10
100
300
Frequency (MHz)
12
9
6
3
0
â3
â6
â9
â12
â15
â18
1
LARGE-SIGNAL FREQUENCY RESPONSE
VO = 200mVp-p
VO = 1Vp-p
VO = 2Vp-p
10
100
300
Frequency (MHz)
TWO-TONE, 3rd-ORDER
INTERMODULATION SPURIOUS
â30
fO = 10MHz
â40
â50
â60
â70
fO = 5MHz
â80
â90
â16
fO = 1MHz
Load Power at
Matched 50⦠Load
â14
â12
â10
â8
â6
â4
Single-Tone Load Power (dBm)
1000
RECOMMENDED RS vs CAPACITIVE LOAD
100
10
1
1
10
100
1000
Capacitive Load (pF)
FREQUENCY RESPONSE vs CAPACITIVE LOAD
6
3 VO = 0.2Vp-p
CL = 1000pF
RS = 10â¦
CL = 10pF
RS = 249â¦
0
â3
â6
CL = 100pF
â9
RS = 35.7â¦
â12
â15
1/2
OPA2631
RS
â18
VO
CL
1kâ¦
â21
â24
1
+VS/2
10
100
300
Frequency (MHz)
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
50
OUTPUT SWING vs LOAD RESISTANCE
Maximum VO
Minimum VO
100
RL (â¦)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.0
1000
®
9
OPA2631
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