AD8551/AD8552/AD8554
50
V
= ؎1.35V
= 50pF
=
SY
V
= ؎2.5V
= 50pF
=
SY
V
R
= ؎1.35V
= 2k⍀
SY
45
40
35
30
25
20
15
10
5
C
R
A
L
L
V
C
R
A
L
L
V
L
T
= +25؇C
A
= +1
= +1
+OS
؊OS
50mV
5s
50mV
5s
0
10
100
1k
10k
CAPACITANCE – pF
Figure 21. Small Signal Overshoot
vs. Load Capacitance at +2.7 V
Figure 19. Small Signal Transient
Response at +2.7 V
Figure 20. Small Signal Transient
Response at +5 V
45
V
= ؎2.5V
= 2k⍀
= +25؇C
SY
V
40
35
30
25
20
15
10
5
IN
0V
R
T
L
0V
V
A
IN
V
V
= ؎2.5V
= +200mV p-p
V
V
= ؎2.5V
= ؊200mV p-p
(RET TO GND)
= 0pF
= 10k⍀
= ؊100
SY
SY
IN
IN
(RET TO GND)
= 0pF
= 10k⍀
= ؊100
C
R
A
C
R
A
L
L
V
0V
L
L
V
+OS
؊OS
V
OUT
0V
V
OUT
20s
1V
20s
1V
BOTTOM SCALE: 1V/DIV
TOP SCALE: 200mV/DIV
BOTTOM SCALE: 1V/DIV
TOP SCALE: 200mV/DIV
0
10
100
1k
10k
CAPACITANCE – pF
Figure 24. Negative Overvoltage
Recovery
Figure 22. Small Signal Overshoot
vs. Load Capacitance at +5 V
Figure 23. Positive Overvoltage
Recovery
140
140
V
= +5V
SY
V
= +2.7V
SY
V
= ؎2.5V
= 2k⍀
= ؊100
S
120
100
80
120
100
80
R
A
V
L
V
= 60mV p-p
IN
60
60
40
20
0
40
1V
200s
20
0
100
1k
10k
100k
1M
10M
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
FREQUENCY – Hz
Figure 27. CMRR vs. Frequency
at +5 V
Figure 25. No Phase Reversal
Figure 26. CMRR vs. Frequency
at +2.7 V
REV. 0
–7–
ADI [ ADI ]
