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