AD797–Typical Characteristics
4
30
SLEW RATE – V/µs
GAIN/BANDWIDTH PRODUCT
110
3
SLEW RATE
RISING EDGE
25
SLEW RATE
FALLING EDGE
20
90
100
2
1
0
10
100
1k
10k
100k
1M
10M
FREQUENCY – Hz
15
–60
–40
–20
0
20
40
60
80
100
120
80
140
TEMPERATURE –
°C
Figure 13. Input Voltage Noise Spectral Density
120
PHASE MARGIN
PHASE MARGIN – DEGREES
Figure 16. Slew Rate & Gain/Bandwidth Product vs.
Temperature
160
+100
100
OPEN-LOOP GAIN – dB
WITHOUT
R
S
*
WITH R
S
*
+80
80
+60
OPEN-LOOP GAIN – dB
140
60
GAIN
40
*R
S
= 100Ω
SEE FIGURE 22
WITHOUT
R
S
*
WITH R
S
*
0
100
1k
10k
100k
1M
10M
+40
+20
120
20
0
100M
100
100
1k
LOAD RESISTANCE – Ohms
10k
FREQUENCY – Hz
Figure 14. Open-Loop Gain & Phase vs. Frequency
MAGNITUDE OF OUTPUT IMPEDANCE – Ohms
300
Figure 17. Open-Loop Gain vs. Resistive Load
100
INPUT OFFSET CURRENT – nA
OVER COMPENSATED
150
10
* SEE FIGURE 29
0
1
WITHOUT C
N
*
–150
UNDER COMPENSATED
0.1
WITH C
N
*
–300
–60
0.01
–40
–20
0
20
40
60
80
100
120
140
10
100
1k
10k
100k
TEMPERATURE –
°C
FREQUENCY – Hz
Figure 15. Input Offset Current vs. Temperature
Figure 18. Magnitude of Output Impedance vs. Frequency
–6–
REV. C
GAIN/BANDWIDTH PRODUCT – MHz (G = 1000)
5
35
120
INPUT VOLTAGE NOISE – nV/
Hz
1M
AD [ ANALOG DEVICES ]
