AD8551/AD8552/AD8554
60
50
800
60
50
V
C
R
= +5V
= 0pF
=
V
C
R
= +2.7V
= 0pF
=
T
= +25؇C
SY
SY
A
L
L
L
L
700
600
500
400
300
200
100
0
40
0
40
0
30
45
90
135
30
45
20
20
90
10
10
135
180
225
270
0
180
225
270
0
؊10
؊20
؊30
؊40
؊10
؊20
؊30
؊40
0
1
2
3
4
5
6
10k
100k
1M
10M
100M
10k
100k
1M
10M
100M
FREQUENCY – Hz
SUPPLY VOLTAGE – V
FREQUENCY – Hz
Figure 12. Open-Loop Gain and
Phase Shift vs. Frequency at +5 V
Figure 10. Supply Current vs.
Supply Voltage
Figure 11. Open-Loop Gain and
Phase Shift vs. Frequency at +2.7 V
300
60
60
V
C
R
= +2.7V
= 0pF
= 2k⍀
SY
V
C
R
= +5V
= 0pF
= 2k⍀
V
= +2.7V
SY
270
240
210
180
150
120
90
50
40
30
20
SY
50
40
L
L
L
L
A
= ؊100
= ؊10
A
= ؊100
= ؊10
V
V
30
20
A
A
V
V
10
0
10
0
A
= 100
V
A
= +1
A
= +1
V
V
؊10
؊20
؊30
؊40
؊10
؊20
A
= 10
V
60
30
0
A
= 1
؊30
؊40
V
100
1k
10k
100k
1M
10M
100
1k
10k
100k
1M
10M
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
FREQUENCY – Hz
FREQUENCY – Hz
Figure 15. Output Impedance vs.
Frequency at +2.7 V
Figure 13. Closed Loop Gain vs.
Frequency at +2.7 V
Figure 14. Closed Loop Gain vs.
Frequency at +5 V
300
V
= +5V
= 300pF
= 2k⍀
= +1
V
= +2.7V
= 300pF
= 2k⍀
SY
V
= +5V
SY
270
240
210
180
SY
C
R
A
C
R
A
L
L
V
L
L
V
= +1
150
120
90
60
30
0
A
= 100
V
A
= 10
V
1V
5s
500mV
2s
A
= 1
V
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
Figure 18. Large Signal Transient
Response at +5 V
Figure 16. Output Impedance vs.
Frequency at +5 V
Figure 17. Large Signal Transient
Response at +2.7 V
–6–
REV. 0
ADI [ ADI ]
