AD8657 Analog Devices, AD8657 Datasheet - Page 11

• Manufacturer Part Number: AD8657
• Description: Precision, Micropower 18 V CMOS RRIO Op Amp
• Manufacturer: Analog Devices

Specifications of AD8657

• Vcc-vee: 2.7V to 18V
• Isy Per Amplifier: 18µA
• Packages: SOP,CSP
• -3db Bandwidth: 200kHz
• Slew Rate: 0.07V/µs
• Vos: 350µV
• Ib: 5pA
• # Opamps Per Pkg: 2
• Input Noise (nv/rthz): 50nV/rtHz

–20
–40
–60
60
40
20
0
1k
–20
–40
–60
35
30
25
20
15
10
60
40
20
5
0
0
100
0
Figure 28. Open-Loop Gain and Phase vs. Frequency
A
A
A
V
V
V
Figure 27. Supply Current vs. Supply Voltage
Figure 29. Closed-Loop Gain vs. Frequency
C
C
= 100
= 10
= 1
L
L
3
= 10pF
= 100pF
1k
10k
FREQUENCY (Hz)
6
GAIN
FREQUENCY (Hz)
V
PHASE
SY
10k
9
(V)
100k
12
100k
V
R
V
SY
L
SY
= 1MΩ
= 2.7V
15
= 2.7V
+25°C
+85°C
+125°C
–40°C
1M
135
90
45
0
–45
–90
–135
1M
18
Rev. A | Page 11 of 24
–20
–40
–60
60
40
20
0
1k
–20
–40
–60
60
50
40
30
20
10
60
40
20
0
0
–50
100
Figure 31. Open-Loop Gain and Phase vs. Frequency
A
A
A
V
V
V
Figure 32. Closed-Loop Gain vs. Frequency
Figure 30. Supply Current vs. Temperature
= 100
= 10
= 1
–25
C
C
L
L
= 10pF
= 100pF
1k
10k
0
FREQUENCY (Hz)
TEMPERATURE (°C)
FREQUENCY (Hz)
PHASE
25
10k
GAIN
50
100k
V
V
SY
SY
V
R
75
SY
100k
L
= 2.7V
= 18V
= 1MΩ
V
= 18V
SY
= 18V
100
AD8657
1M
135
90
45
0
–45
–90
–135
125
1M