AD8672 Analog Devices, AD8672 Datasheet - Page 8

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AD8672

Manufacturer Part Number
AD8672
Description
Dual Precision Very Low Noise, Low Input Bias Current Operational Amplifier
Manufacturer
Analog Devices
Datasheet

Specifications of AD8672

-3db Bandwidth
10MHz
Slew Rate
4V/µs
Vos
20µV
Ib
3nA
# Opamps Per Pkg
2
Input Noise (nv/rthz)
2.8nV/rtHz
Vcc-vee
10V to 36V
Isy Per Amplifier
3.5mA
Packages
SOIC,SOP

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AD8671/AD8672/AD8674
30000
25000
20000
15000
10000
5000
–10
–20
–30
–40
–50
100
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
0
1k
100
–40
±15V
±5V
Figure 19. Open-Loop Gain vs. Temperature
A
Figure 21. Output Impedance vs. Frequency
A
A
Figure 20. Closed-Loop Gain vs. Frequency
V
V
1k
V
10k
= 10
= 100
= 1
A
VO
10k
25
= 100
100k
FREQUENCY (Hz)
TEMPERATURE (°C)
FREQUENCY (Hz)
100k
1M
A
1M
VO
85
= 10
A
10M
VO
V
V
R
C
10M
= 1
SY
IN
L
L
= ∞
= 20pF
= 10mV
= ±15V
100M
100M
125
Rev. E | Page 8 of 20
60
50
40
30
20
10
0
100
Figure 24. Small Signal Overshoot vs. Load Capacitance
V
V
R
+OS
SY
IN
L
= 2kΩ
= 200mV p-p
= ±15V
Figure 22. Large Signal Transient Response
Figure 23. Small Signal Transient Response
CAPACITANCE (pF)
TIME (10μs/DIV)
TIME (100μs/DIV)
1k
–OS
V
V
R
V
SY
IN
S
L
= ±15
= 2kΩ
= 4V
= ±15V
10k

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