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OPA2677 Datasheet, PDF (13/38 Pages) Burr-Brown (TI) – Dual, Wideband, High Output Current OPERATIONAL AMPLIFIER | |||
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TYPICAL CHARACTERISTICS: VS = +5V (Cont.)
At TA = +25°C, Differential Gain = +9, RF = 316â¦, and RL = 70â¦, unless otherwise noted.
DIFFERENTIAL PERFORMANCE
TEST CIRCUIT
1/2
OPA2677
RF
300â¦
VI
RG
RF
CG 300â¦
RL VO
1/2
OPA2677
GD = 1 +
2 ⢠RF
RG
= VO
VI
DIFFERENTIAL SMALL-SIGNAL
FREQUENCY RESPONSE
3
GD = +2
RF = 511â¦
0
RL = 70â¦
â3
GD = +5
RF = 422â¦
GD = +9
RF = 316â¦
â6
â9
â12
10
100
200
Frequency (MHz)
DIFFERENTIAL LARGE-SIGNAL
FREQUENCY RESPONSE
20
19
RL = 70â¦
18 GD = +9
0.2VPP
1VPP
2VPP
17
5VPP
16
15
14
10
100
Frequency (MHz)
HARMONIC DISTORTION vs LOAD RESISTANCE
â65
GD = +9
f = 5MHz
â70
VO = 2VPP
3rd-Harmonic
â75
â80
2nd-Harmonic
â85
â90
â95
10
100
1k
Load Resistance (â¦)
HARMONIC DISTORTION vs FREQUENCY
â60
GD = +9
RL = 70â¦
â65 VO = 2VPP
2nd-Harmonic
â70
â75
â80
â85
0.1
3rd-Harmonic
1
10
100
Frequency (MHz)
HARMONIC DISTORTION vs OUTPUT VOLTAGE
â65
f = 5MHz
G = +9
â70 RL = 70â¦
3rd-Harmonic
2nd-Harmonic
â75
â80
â85
0.1
1
10
Differential Output Voltage (VPP)
OPA2677
13
SBOS126I
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