AD8139 AD [Analog Devices], AD8139 Datasheet - Page 13

• Manufacturer Part Number: AD8139
• Description: Low Noise Rail-to-Rail Differential ADC Driver
• Manufacturer: AD [Analog Devices]

–0.025
–0.050
–0.075
–0.100
Figure 32. Small Signal Transient Response for Capacitive Loads
–100
–100
0.100
0.075
0.050
0.025
100
–25
–50
–75
–10
–15
–20
–25
–30
–35
–40
–45
–50
–55
–60
–65
–70
–75
–80
–85
–90
–95
75
50
25
–5
Figure 31. Small Signal Transient Response for Various C
0
5
0
9.55 9.65
0
V
F
F
V
O, dm
C
C
O, dm
(C
V
1 = 10MHz
2 = 10.1MHz
C
S
F
F
=
= 0pF,
= 0pF
= 2V p-p
= 100mV p-p
±
Figure 33. Intermodulation Distortion
5V)
9.75 9.85 9.95 10.05 10.15 10.25 10.35 10.45 10.55
R
C
R
C
FREQUENCY (MHz)
V
(C
S
L, dm
S
L, dm
O, dm
= 31.6 Ω
= 63.4 Ω
F
= 2pF, V
TIME (ns)
= 30pF
= 15pF
TIME (ns)
S
=
±
5V)
5ns/DIV
5ns/DIV
F
Rev. A | Page 13 of 24
–0.5
–1.0
–1.5
1.5
1.0
0.5
Figure 35. Large Signal Transient Response for Capacitive Loads
0
–0.5
–1.0
–1.5
–2.0
–2.5
2.5
2.0
1.5
1.0
0.5
–0.5
–1.0
–1.5
1.5
1.0
0.5
0
0
Figure 34. Large Signal Transient Response For C
C
F
= 0pF
Figure 36. Settling Time (0.01%)
V
O, dm
V
IN
R
C
R
C
C
C
C
S
L, dm
S
L, dm
F
F
TIME (ns)
F
= 31.6 Ω
= 63.4 Ω
= 0pF
= 2pF
= 2pF
TIME (ns)
= 30pF
TIME (ns)
= 15pF
4V p-p
2V p-p
C
V
O, dm
F
= 2pF
ERROR
= 2.0V p-p
35ns/DIV
5ns/DIV
5ns/DIV
F
AD8139
600
400
200
0
–200
–400
–600