AD8551 Analog Devices, AD8551 Datasheet - Page 9

• Manufacturer Part Number: AD8551
• Description: Zero-Drift, Single-Supply, RRIO Single Op Amp
• Manufacturer: Analog Devices

Specifications of AD8551

• -3db Bandwidth: 1.5MHz
• Slew Rate: 0.4V/µs
• Vos: 1µV
• Ib: 10pA
• # Opamps Per Pkg: 1
• Input Noise (nv/rthz): 42nV/rtHz
• Vcc-vee: 2.7V to 6V
• Isy Per Amplifier: 975µA
• Packages: SOIC,SOP

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