AD8138
V
C
= 2V p-p
V
S
= ±5V
OUT, dm
= 0pF
F
V
OUT, dm
V
= +5V
S
V
= ±5V
S
F = 20MHz
V
= 8V p-p
+DIN
G = 3 (R = 1500)
F
V
+DIN
400mV
5ns
4V
30ns
Figure 23. Large Signal Transient Response
Figure 26. Output Overdrive
V
V
= 2V p-p
C
= 0pF
V
C
= ±5V
= 0pF
OUT, dm
F
S
= ±5V
S
F
C
= 10pF
L
C
= 5pF
L
C
= 1pF
C
= 20pF
F
L
400mV
5ns
400mV
2.5ns
Figure 24. Large Signal Transient Response
Figure 27. Large Signal Transient Response for Various Cap Loads (See Figure 40)
–20
V
= ±5V
S
ΔV
/ΔV
IN, cm
OUT, dm
V
C
= ±5V
= 1pF
200µV
S
–30
–40
–50
–60
–70
–80
F
V
OUT, dm
V
+DIN
1V
4ns
1
10
100
1k
FREQUENCY (MHz)
Figure 28. CMRR vs. Frequency
Figure 25. Settling Time
Rev. F | Page 12 of 24
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