TLE2425CLP Datasheet, PDF (10/22 Pages) Texas Instruments – PRECISION VIRTUAL GROUND

TLE2425
ą
PRECISION VIRTUAL GROUND
ą
SLOS065D − MARCH 1991 − REVISED APRIL 2002
TYPICAL CHARACTERISTICS
1.5 V
OUTPUT VOLTAGE RESPONSE
TO OUTPUT CURRENT STEP
vs
TIME
4
VI = 5 V
3
CL = 100 pF
0.1 % TA = 25°C
2
1
0.01 %
0
VO Response
−1
−2
10 mA
−3
IO Step
0
−4
0.01 %
0.1 %
−10 mA
−1.5 V
0
150 300
450 600 750 900 1050
t − Time − ms
Figure 13
OUTPUT VOLTAGE RESPONSE
TO INPUT VOLTAGE STEP
vs
TIME
500
4 _{IO = 0}
3 ^{CL = 100 pF}
TA = 25°C
2
1
0
VO Response
−1
−2
−3
−4
− 500
0
VI = 4.5 V
VI Step
50
0.1 %
0.01 %
VI = 5.5 V
0.1 %
VI = 4.5 V
100
150
200
t − Time - ms
Figure 14
OUTPUT VOLTAGE POWER-UP RESPONSE
vs
TIME
3 _{IO = 0}
CL = 100 pF
TA = 25°C
0.1 %
2
Output Voltage Response
1
0
5
Input Voltage Step
0
0
10
20
130
t − Time - ms
Figure 15
STABILITY RANGE
OUTPUT CURRENT
vs
LOAD CAPACITANCE
20
15
VI = 5 V
TA = 25°C
Unstable
10
5
0
−5
Stable
− 10
− 15
− 20
10 ^{−610 −5} 10 ^−4 10 ^−3 10 ^−2 10 ^−1 10 ⁰ 10 ¹ 10 ²
CL− Load Capacitance − mF
Figure 16
10
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