AD797
5
35
120
GAIN/BANDWIDTH PRODUCT (MHz (G = 1000))
00846-021
00846-020
00846-019
INPUT VOLTAGE NOISE (nV/√Hz)
4
GAIN/BANDWIDTH PRODUCT
30
SLEW RATE (V/µs)
110
SLEW RATE
RISING EDGE
100
3
25
2
SLEW RATE
FALLING EDGE
20
90
1
00846-016
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 16. Input Voltage Noise Spectral Density
Figure 19. Slew Rate and Gain/Bandwidth Product vs. Temperature
120
100
160
PHASE MARGIN
100
OPEN-LOOP GAIN (dB)
80
60
OPEN-LOOP GAIN (dB)
WITH R
S
*
PHASE MARGIN (Degrees)
WITHOUT
R
S
*
80
140
60
40
GAIN
40
20
120
*R
S
= 100
20
WITHOUT
R
S
*
WITH R
S
*
0
*SEE FIGURE 25.
0
100
1k
10k
00846-017
100k
1M
FREQUENCY (Hz)
10M
100M
100
100
1k
LOAD RESISTANCE (Ω)
10k
Figure 17. Open-Loop Gain and Phase Margin vs. Frequency
Figure 20. Open-Loop Gain vs. Load Resistance
300
100
INPUT OFFSET CURRENT (nA)
150
OVERCOMPENSATED
MAGNITUDE OF OUTPUT IMPEDANCE (Ω)
10
0
1
WITHOUT C
N
*
–150
UNDER COMPENSATED
0.1
*SEE FIGURE 32.
WITH C
N
*
TEMPERATURE (°C)
00846-018
–300
–60
–40
–20
0
20
40
60
80
100
120
140
0.01
10
100
1k
10k
100k
1M
FREQUENCY (Hz)
Figure 18. Input Offset Current vs. Temperature
Figure 21. Magnitude of Output Impedance vs. Frequency
Rev. F | Page 8 of 20
AD [ ANALOG DEVICES ]
