參數(shù)資料
型號: AD8048AR
廠商: ANALOG DEVICES INC
元件分類: 音頻/視頻放大
英文描述: 250 MHz, General Purpose Voltage Feedback Op Amps
中文描述: VIDEO AMPLIFIER, PDSO8
封裝: PLASTIC, SOIC-8
文件頁數(shù): 8/16頁
文件大小: 478K
代理商: AD8048AR
REV. 0
–8–
AD8047/AD8048
AD8048–Typical Characteristics
–3
10M
1G
100M
1M
5
1
3
–1
FREQUENCY – Hz
O
6
4
0
2
–2
R
L
= 100
R
F
= R
= 200
V
OUT
= 2V p-p
7
Figure 30. AD8048 Large Signal Frequency Response,
G = +2
–9
10M
1G
100M
1M
–1
–5
–3
–7
FREQUENCY – Hz
0
–2
–6
–4
–8
R
L
= 100
R
F
= R
= 200
V
OUT
= 300mV p-p
O
1
Figure 31. AD8048 Small Signal Frequency Response,
G = –1
H
–90
–110
–70
–50
–30
FREQUENCY – Hz
100M
1M
100k
10k
–40
–20
–60
–80
–100
–120
10M
2ND HARMONIC
3RD HARMONIC
R
L
= 1k
V
OUT
= 2V p-p
Figure 32. AD8048 Harmonic Distortion vs. Frequency,
G = +2
Figure 27. AD8048 Small Signal Frequency Response,
G = +2
6.5
5.5
10M
1G
100M
1M
6.3
5.9
6.1
5.7
FREQUENCY – Hz
O
6.4
6.2
5.8
6.0
5.6
R
L
= 100
R
F
= R
= 200
V
OUT
= 300mV p-p
Figure 28. AD8048 0.1 dB Flatness, G = +2
70
–20
10k
100k
1G
100M
10M
1M
FREQUENCY – Hz
60
20
30
40
50
–10
0
10
G
–40
–120
–20
0
20
–100
–80
–60
P
R
L
= 100
PHASE
1k
40
60
80
100
80
90
Figure 29. AD8048 Open-Loop Gain and Phase Margin vs.
Frequency
7
–3
10M
1G
100M
1M
5
1
3
–1
FREQUENCY – Hz
O
6
4
0
2
–2
R
L
= 100
R
F
= R
= 200
V
OUT
= 300mV p-p
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