AD743KN AD [Analog Devices], AD743KN Datasheet - Page 5

• Manufacturer Part Number: AD743KN
• Description: Ultralow Noise BiFET Op Amp
• Manufacturer: AD [Analog Devices]

REV. C
Figure 13. Common-Mode Rejec-
tion vs. Frequency
Figure 16. Total Harmonic Distor-
tion vs. Frequency
–20
100
120
100
–100
–110
–120
–130
–140
80
60
40
20
0
80
–90
60
40
20
–70
–80
0
100
Figure 10. Open-Loop Gain and
Phase vs. Frequency
100
10
1k
GAIN = +10
1k
100
10k
FREQUENCY – Hz
FREQUENCY – Hz
FREQUENCY – Hz
GAIN
V
100k
CM
10k
1k
= 10V
GAIN = –1
PHASE
1M
100k
10k
10M
100M
100k
1M
100
60
80
40
20
0
–20
120
100
100
3.5
3.0
2.0
20
2.5
80
60
40
1.0
0.1
0
Figure 14. Power Supply Rejection
vs. Frequency
Figure 17. Input Noise Voltage
Spectral Density
10
–60 –40 –20
100
1
Figure 11. Slew Rate vs.
Temperature (Gain = –1)
1k
10
– SUPPLY
100
TEMPERATURE – C
10k
0
FREQUENCY – Hz
FREQUENCY – Hz
CLOSED-LOOP GAIN = 10
–5–
20
1k
CLOSED-LOOP GAIN = 1
100k
40
+ SUPPLY
10k
60
1M
100k
80 100 120 140
10M
1M
100M
10M
100
150
140
130
120
100
25
15
35
30
20
10
1.0
10
Figure 12. Open-Loop Gain vs.
Supply Voltage, R
Figure 15. Large Signal Frequency
Response
Figure 18. Input Noise Current
Spectral Density
80
1k
5
0
1k
1
0
R = 2k
L
10
SUPPLY VOLTAGE
5
FREQUENCY – Hz
10k
FREQUENCY – Hz
100
10
LOAD
1k
VOLTS
AD743
100k
= 2K
15
10k
100k
1M
20