AD8551/AD8552/AD8554
45
V
C
= ±1.35V
= 50pF
SY
V
R
= ±2.5V
= 2kΩ
SY
L
L
40
35
R
A
=
∞
L
V
T
= 25°C
A
= 1
30
25
20
+OS
–OS
15
10
5
0
50mV
5µs
10
100
1k
10k
CAPACITANCE (pF)
Figure 25. Small Signal Transient Response at 2.7 V
Figure 28. Small Signal Overshoot vs. Load Capacitance at 5 V
V
C
= ±2.5V
= 50pF
SY
L
0V
R
A
=
= 1
∞
L
V
V
V
V
= ±2.5V
= –200mV p-p
IN
SY
IN
(RET TO GND)
C
R
A
= 0pF
= 10kΩ
= –100
L
L
V
V
OUT
0V
5µs
50mV
20µs
1V
BOTTOM SCALE: 1V/DIV
TOP SCALE: 200mV/DIV
Figure 26. Small Signal Transient Response at 5 V
Figure 29. Positive Overvoltage Recovery
50
V
R
= ±1.35V
= 2kΩ
= 25°C
SY
45
40
35
30
L
V
IN
T
A
0V
V
V
= ±2.5V
= 200mV p-p
SY
IN
(RET TO GND)
+OS
0V
25
20
C
R
A
= 0pF
L
L
V
= 10kΩ
= –100
–OS
15
10
5
V
OUT
20µs
1V
0
BOTTOM SCALE: 1V/DIV
TOP SCALE: 200mV/DIV
10
100
1k
10k
CAPACITANCE (pF)
Figure 27. Small Signal Overshoot vs. Load Capacitance at 2.7 V
Figure 30. Negative Overvoltage Recovery
Rev. C | Page 9 of 24
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