參數(shù)資料
型號(hào): AD8139
廠商: Analog Devices, Inc.
英文描述: Low Noise Rail-to-Rail Differential ADC Driver
中文描述: 低噪聲軌至軌差分ADC驅(qū)動(dòng)器
文件頁(yè)數(shù): 13/24頁(yè)
文件大小: 720K
代理商: AD8139
AD8139
Rev. A | Page 13 of 24
–100
–75
–50
–25
50
25
75
0
100
0
TIME (ns)
V
O
5ns/DIV
V
O, dm
= 100mV p-p
C
F
= 0pF
(C
F
= 0pF,
V
S
=
±
5V)
V
O, dm
(C
F
S
=
±
5V)
Figure 31. Small Signal Transient Response for Various C
F
–0.100
–0.075
–0.050
–0.025
0.050
0.025
0.075
0
0.100
0
TIME (ns)
V
O
5ns/DIV
R
S
= 31.6
C
L, dm
= 30pF
R
S
= 63.4
C
L, dm
= 15pF
Figure 32. Small Signal Transient Response for Capacitive Loads
5
0
–100
–95
–90
–85
–80
–75
–70
–65
–60
–55
–50
–45
–40
–35
–30
–25
–20
–15
–10
–5
9.55
9.65
9.75
9.85
9.95 10.05 10.15 10.25 10.35 10.45 10.55
FREQUENCY (MHz)
0
N
V
O, dm
= 2V p-p
F
C
F
C
2 = 10.1MHz
Figure 33. Intermodulation Distortion
–2.5
–1.5
–1.0
–0.5
1.0
0.5
2.0
–2.0
1.5
0
2.5
0
TIME (ns)
V
O
5ns/DIV
4V p-p
C
F
= 0pF
2V p-p
C
F
= 2pF
C
F
= 0pF
C
F
= 2pF
Figure 34. Large Signal Transient Response For C
F
–1.5
–1.0
–0.5
1.0
0.5
0
1.5
0
TIME (ns)
V
O
5ns/DIV
R
S
= 63.4
C
L, dm
= 15pF
R
S
= 31.6
C
L, dm
= 30pF
Figure 35. Large Signal Transient Response for Capacitive Loads
1.5
–1.5
–1.0
–0.5
0
0.5
1.0
600
–600
–400
–200
0
200
400
0
TIME (ns)
A
E
μ
V
C
F
= 2pF
V
O, dm
= 2.0V p-p
35ns/DIV
ERROR
V
IN
V
O, dm
Figure 36. Settling Time (0.01%)
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