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TLC2252-EP Datasheet, PDF (28/38 Pages) Texas Instruments – Advanced LinCMOS™ RAIL-TO-RAIL VERY LOW-POWER OPERATIONAL AMPLIFIERS | |||
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TLC225xÄEP, TLC225xAÄEP
Ä
Advanced LinCMOS RAILÄTOÄRAIL
VERY LOWÄPOWER OPERATIONAL AMPLIFIERS
SGLS216 â NOVEMBER 2003
TYPICAL CHARACTERISTICS
PHASE MARGIN
vs
LOAD CAPACITANCE
75°
TA = 25°C
Rnull = 200 â¦
60°
Rnull = 500 â¦
45°
Rnull = 100 â¦
Rnull = 50 â¦
30°
Rnull = 10 â¦
50 kâ¦
15°
50 kâ¦
VI
0°
101
VDD +
Rnull
â
Rnull = 0
+
CL
VDD â
10 2
10 3
10 4
CL â Load Capacitance â pF
Figure 56
UNITY-GAIN BANDWIDTHâ
vs
LOAD CAPACITANCE
200
TA = 25°C
175
150
125
100
75
50
ÃÃÃÃ 25
0
101
10 2
10 3
10 4
CL â Load Capacitance â pF
Figure 58
10 5
10 5
GAIN MARGIN
vs
LOAD CAPACITANCE
20
Rnull = 500 â¦
15
Rnull = 200 â¦
10 Rnull = 100 â¦
Rnull = 50 â¦
Rnull = 10 â¦
5
Rnull = 0
TA = 25°C
0
101
10 2
10 3
10 4
10 5
CL â Load Capacitance â pF
Figure 57
OVERESTIMATION OF PHASE MARGINâ
vs
LOAD CAPACITANCE
25
TA = 25°C
Rnull = 500 â¦
20
15
Rnull = 100 â¦
10
Rnull = 50 â¦
Rnull = 10 â¦
5
Rnull = 200 â¦
0
101
10 2
10 3
10 4
10 5
CL â Load Capacitance â pF
Figure 59
â See application information
28
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