AD743SQ Datasheet, PDF (5/12 Pages) Analog Devices – Ultralow Noise BiFET Op Amp

100
100
80
80
PHASE
60
60
40
40
GAIN
20
20
0
0
–20
–20
100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
TPC 10. Open-Loop Gain and
Phase vs. Frequency
3.5
3.0
2.5
2.0
–60 –40 –20 0 20 40 60 80 100 120 140
TEMPERATURE (؇C)
TPC 11. Slew Rate vs. Temperature
(Gain = –1)
AD743
150
140
130
120
100
80
0
5
10
15
20
SUPPLY VOLTAGE (؎V)
TPC 12. Open-Loop Gain vs.
Supply Voltage, R_LOAD = 2 kΩ
120
100
V_CM = ؎10V
80
60
40
20
0
100
1k
10k
100k
1M
FREQUENCY (Hz)
TPC 13. Common-Mode
Rejection vs. Frequency
120
100
80
+ SUPPLY
60
40
– SUPPLY
20
0
100 1k 10k 100k 1M 10M 100M
FREQUENCY (Hz)
TPC 14. Power Supply Rejection
vs. Frequency
35
30
25
R_L = 2k⍀
20
15
10
5
0
10
100
1k
10k
FREQUENCY (Hz)
TPC 15. Large Signal Frequency
Response
–70
–80
–90
–100
–110
GAIN = +10
–120
–130
GAIN = –1
–140
10
100
1k
10k
FREQUENCY (Hz)
100k
TPC 16. Total Harmonic Distortion
vs. Frequency
100
CLOSED-LOOP GAIN = ؉1
10
1
CLOSED-LOOP GAIN = ؉10
0.1
1
10 100 1k 10k 100k 1M 10M
FREQUENCY (Hz)
TPC 17. Input Voltage Noise
Spectral Density
1k
100
10
1
1
10
100
1k
10k 100k
FREQUENCY (Hz)
TPC 18. Input Current Noise
Spectral Density
REV. E
–5–