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OPA2681 Datasheet, PDF (8/21 Pages) Burr-Brown (TI) – Dual Wideband, Current Feedback OPERATIONAL AMPLIFIER With Disable | |||
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TYPICAL PERFORMANCE CURVES: VS = ±5V (CONT)
G = +2, RF = 402â¦, RL = 100â¦, unless otherwise noted (see Figure 1).
CMR AND PSR vs FREQUENCY
70
65 +PSR
60 âPSR
55
CMR
50
45
40
35
30
25
20
102
103
104
105
106
107
108
Frequency (Hz)
OPEN-LOOP TRANSIMPEDANCE GAIN/PHASE
120
0
â ZOL
100
â40
| ZOL|
80
â80
60
â120
40
â160
20
â200
0
â240
104
105
106
107
108
109
Frequency (Hz)
COMPOSITE VIDEO dG/dP
0.05
Positive Video
Negative Sync
0.04
dP
0.03
0.02
0.01
dG
0
1
2
3
4
Number of 150⦠Loads
5
4
3
2
1
0
â1
â2
â3
â4
â5
â40
TYPICAL DC DRIFT OVER TEMPERATURE
Non-Inverting Input Bias Current
Inverting
VIO
â20 0 20 40 60 80 100 120
Ambient Temperature (°C)
50
40
30
20
10
0
â10
â20
â30
â40
â50
140
OUTPUT VOLTAGE AND CURRENT LIMITATIONS
5
4
1W Internal
3
Power Limit
Output Current Limited
2
1-Channel
1
Only
0
â1
â2
25â¦
Load Line
50⦠Load Line
100⦠Load Line
â3
â4 Output Current Limit
â5
â300 â200 â100 0
100
IO (mA)
1W Internal
Power Limit
200 300
SUPPLY AND OUTPUT CURRENT vs TEMPERATURE
10
200
Sourcing Output Current
Sinking Output Current
7.5
150
5
100
Quiescent Supply Current
2.5
50
0
â40 â20
0
0 20 40 60 80 100 120 140
Ambient Temperature (°C)
®
OPA2681
8
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