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OPA2674 Datasheet, PDF (12/30 Pages) Burr-Brown (TI) – Dual Wideband, High Output Current Operational Amplifier with Current Limit | |||
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OPA2674
SBOS270 â AUGUST 2003
www.ti.com
TYPICAL CHARACTERISTICS: VS = ±6V
At TA = +25°C, Differential Gain = +9, RF = 300â¦, and RL = 70â¦, unless otherwise noted. See Figure 5 for AC performance only.
DIFFERENTIAL SMALLâSIGNAL
FREQUENCY RESPONSE
3
0
RL = 70â¦
GD = +2,
VO = 1VPP
RF = 442â¦
â3
GD = +5,
â6
RF = 383â¦
â9
GD = +9,
â12
RF = 300â¦
See Figure 5
â15
0
50
100
150
200
250
300
Frequency (MHz)
DIFFERENTIAL DISTORTION vs LOAD RESISTANCE
â60
â65
f = 500kHz
G = +9
â70
RL = 70â¦
â75
VO = 4VPP
â80
2ndâHarmonic
â85
â90
â95
â100
3rdâHarmonic
â105
See Figure 5
â110
10
100
1k
Load Resistance (â¦)
DIFFERENTIAL DISTORTION vs OUTPUT VOLTAGE
â60
f = 500kHz
G = +9
â70 RL = 70â¦
2ndâHarmonic
â80
â90
â100
3rdâHarmonic
See Figure 5
â110
0.1
1
10 20
Differential Output Voltage (VPP)
DIFFERENTIAL LARGEâSIGNAL
FREQUENCY RESPONSE
22
19
1VPP
RL = 70â¦
GD = +9
16
4VPP 8VPP
13
16VPP
10
7
4
See Figure 5
1
0
50
100
150
200
250
300
Frequency (MHz)
DIFFERENTIAL DISTORTION vs FREQUENCY
â50
G = +9
â65
RL = 70â¦
â70
2ndâHarmonic
â80
â90
â100
3rdâHarmonic
See Figure 5
â110
0.1
1
10
100
Frequency (MHz)
ADSL MULTITONE POWER RATIO
(Upstream)
0
â10
VS = ±6V
â20
â30
â40
â50
â60
â70
â80
â90
See Figure 5
â100
0 20 40 60 80 100 120 140 160
Frequency (kHz)
12
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