AD797
20pF
1µs
1kΩ
+V
S
1kΩ
V
IN
2
7
100
90
50mV
100
90
100ns
**
AD797
3
4
6
**
V
OUT
10
0%
10
0%
** SEE FIGURE 32
–V
S
5V
Figure 19. Inverter
Connection
Figure 20. Inverter Large Signal
Pulse Response
Figure 21. Inverter Small Signal
Pulse Response
100Ω
5V
+V
S
**
100
90
1µs
100
90
50mV
100ns
2
R
S
*
V
IN
3
7
V
OUT
AD797
4
6
**
600Ω
10
10
0%
–V
S
* VALUE OF SOURCE RESISTANCE –
SEE TEXT
** SEE FIGURE 32
0%
Figure 22. Follower
Connection
Figure 23. Follower Large Signal
Pulse Response
Figure 24. Follower Small Signal
Pulse Response
5mV
100
90
500ns
100
90
5mV
500ns
See Figure 40 for settling time
test circuit.
10
0%
10
0%
Figure 25. 16-Bit Settling Time
Positive Input Pulse
Figure 26. 16-Bit Settling Time
Negative Input Pulse
REV. C
–7–
AD [ ANALOG DEVICES ]
