AD8641 Analog Devices, AD8641 Datasheet - Page 7

• Manufacturer Part Number: AD8641
• Description: Low Power, Rail - to - Rail Output Precision JFET Amplifier in 5-lead SC70 and 8-lead SOIC lead-free packages
• Manufacturer: Analog Devices

Specifications of AD8641

• Vcc-vee: 5V to 26V
• Isy Per Amplifier: 290µA
• Packages: SC70,SOIC
• -3db Bandwidth: 3.5MHz
• Slew Rate: 3V/µs
• Vos: 50µV
• Ib: 0.25pA
• # Opamps Per Pkg: 1
• Input Noise (nv/rthz): 27.5nV/rtHz

Data Sheet
1000
1000
–100
–0.2
–0.4
–0.6
–0.8
–1.0
900
800
700
600
500
400
300
200
100
100
0.1
1.0
0.8
0.6
0.4
0.2
10
0
1
0
–15 –13 –11 –9
–5
0
V
V
V
SY
SY
SY
–4
= ±13V
= ±13V
= +5V OR ±5V
Figure 13. Input Bias Current vs. Temperature
25
Figure 15. Input Offset Voltage vs. V
–3
Figure 14. Input Bias Current vs. V
–7
–2
50
–5
TEMPERATURE (°C)
–1
–3
V
V
–1
CM
CM
75
0
0
(V)
(V)
1
1
3
100
5
2
7
CM
3
CM
9
125
11
4
13
150
15
5
Rev. E | Page 7 of 16
1000
–100
–200
–300
–400
–500
100k
10M
100
500
400
300
200
100
10k
1M
10
1
0
–50
0.1
A. V
B. V
C. V
D. V
E. V
V
SY
–30
0
B
C
A
E
Figure 17. Open-Loop Gain vs. Load Resistance
SY
SY
SY
SY
SY
= 5V
D
Figure 18. Open-Loop Gain vs. Temperature
= +5V, V
= ±13V, V
= ±13V, V
= +5V, V
= +5V, V
–10
Figure 16. Input Offset Voltage vs. V
0.5
O
O
O
10
O
O
= +0.5V/+4.5V, R
= +0.5V/+4.5V, R
= +0.5V/+4.5V, R
LOAD RESISTANCE (kΩ)
= ±11V, R
= ±11V, R
1
TEMPERATURE (°C)
AD8641/AD8642/AD8643
30
1.0
V
CM
L
L
50
= 10kΩ
= 2kΩ
V
(V)
SY
L
L
L
1.5
= ±13V
70
= 10kΩ
= 2kΩ
= 600Ω
10
V
SY
90
= ±2.5V
2.0
110
CM
130
2.5
150
100