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OPA2673 Datasheet, PDF (9/40 Pages) Texas Instruments – Dual, Wideband, High Output Current Operational Amplifier with Active Off-Line Control
OPA2673
www.ti.com..................................................................................................................................................... SBOS382A – JUNE 2008 – REVISED OCTOBER 2008
TYPICAL CHARACTERISTICS: VS = ±6V, Full Bias (continued)
At TA = +25°C, G = +4V/V, RF = 402Ω, and RL = 100Ω, unless otherwise specified.
COMPOSITE VIDEO (dG/dφ)
8
df, Positive Video
7
6
dG, Negative Video
5
4
3
G = +2V/V
RF = 475W
VS = ±6V
2
dG, Positive Video
1
0
1
2
df, Negative Video
3
4
Number of 150W Loads
Figure 19.
SUPPLY AND OUTPUT CURRENT vs TEMPERATURE
600
31.0
Supply Current
580
30.8
560
30.6
540
Sourcing Output Current
30.4
520
30.2
500
Sinking Output Current
30.0
480
29.8
460
29.6
440
28.4
420
29.2
400
-50 -25
0
29.0
25
50
75 100 125
Temperature (°C)
Figure 21.
TYPICAL DC DRIFT OVER TEMPERATURE
4.0
Inverting Bias Current
-17.5
3.5
-18.0
3.0
Input Offset Voltage
2.5
-18.5
-19.0
2.0
-19.5
1.5
-20.0
1.0
-20.5
0.5
-21.0
Noninverting Bias Current
0
-21.5
-0.5
-50 -25
0
25
50
75
Temperature (°C)
-22.0
100 125
Figure 20.
INPUT VOLTAGE AND CURRENT NOISE DENSITY
100
Inverting Current Noise (35pA/ÖHz)
10
Noninverting Current Noise (5.2pA/ÖHz)
Voltage Noise (2.4nV/ÖHz)
1
100
1k
10k
100k
1M
10M
Frequency (Hz)
Figure 22.
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): OPA2673
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