AD797–Typical Characteristics
5
120
110
100
35
GAIN/BANDWIDTH PRODUCT
4
3
2
1
30
25
SLEW RATE
RISING EDGE
SLEW RATE
FALLING EDGE
20
15
90
80
0
–60 –40 –20
0
20
40
60
80
100 120 140
10
100
1k
10k
100k
1M
10M
TEMPERATURE – °C
FREQUENCY – Hz
Figure 13. Input Voltage Noise Spectral Density
Figure 16. Slew Rate & Gain/Bandwidth Product vs.
Tem perature
120
+100
160
140
120
100
PHASE MARGIN
100
80
60
40
20
0
+80
+60
WITHOUT
R
*
S
WITH R
*
S
+40
+20
GAIN
WITHOUT
*R = 100
S
R
*
S
0
SEE FIGURE 22
WITH R
1M
*
S
100
10k
100
1k
10k
100k
10M
100M
1k
FREQUENCY – Hz
LOAD RESISTANCE – Ohms
Figure 17. Open-Loop Gain vs. Resistive Load
Figure 14. Open-Loop Gain & Phase vs. Frequency
100
300
OVER COMPENSATED
150
10
* SEE FIGURE 29
1
0
WITHOUT C
*
N
0.1
–150
UNDER COMPENSATED
WITH C
100k
*
N
0.01
–300
–60 –40 –20
0
20
40
60
80
100 120 140
10
100
1k
10k
1M
TEMPERATURE – °C
FREQUENCY – Hz
Figure 15. Input Offset Current vs. Tem perature
Figure 18. Magnitude of Output Im pedance vs. Frequency
REV. C
–6–
ETC [ ETC ]
