Datasheet

Data Sheet AD822
Rev. J | Page 15 of 24
FREQUENC
Y (Hz)
–70
–140
300 1M
1k
3k 10k
30k 100k 300k
–80
–100
–1
10
–120
–130
–90
CROSSTALK (dB)
00874-028
Figure 28. Crosstalk vs. Frequency
V
IN
R
L
V
OUT
100pF
8
V+
0.01µF
4
0.01µF
1/2
AD822
+
–
00874-029
Figure 29. Unity-Gain Follower
0%
100
90
10
5V
10µs
00874-030
Figure 30. 20 V p-p, 25 kHz Sine Wave Input; Unity-Gain Follower; V
S
= ±15 V,
R
L
= 600 Ω
V+
20V p-p
2
3
8
5
6
20kΩ 2.2kΩ
5kΩ
5kΩ
V
OUT
CROSSTALK = 20 log
V
OUT
10V
IN
0.1µF 1µF
0.1µF 1µF
V–
V
IN
+
–
1/2
AD822
1
+
–
1/2
AD822
7
00874-031
Figure 31. Crosstalk Test Circuit
0%
100
90
10
5V 5µs
00874-032
Figure 32. Large Signal Response Unity-Gain Follower; V
S
= ±15 V, R
L
= 10 kΩ
10
0%
100
90
10mV 500ns
00874-033
Figure 33. Small Signal Response Unity-Gain Follower; V
S
= ±15 V, R
L
= 10 kΩ
GND
10
0%
100
90
1V 2µs
00874-034
Figure 34. V
S
= 5 V, 0 V; Unity-Gain Follower Response to 0 V to 4 V Step
4
V
IN
R
L
V
OUT
100pF
8
V+
0.01µF
1/2
AD822
+
–
00874-035
Figure 35. Unity-Gain Follower