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參數(shù)資料
| 型號： | AD8001 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Current Feedback Amplifier(800MHz,50mW電流反饋放大器) |
| 中文描述： | 電流反饋放大器（800MHz的，50mW的電流反饋放大器） |
| 文件頁數(shù)： | 14/16頁 |
| 文件大小： | 372K |
| 代理商： | AD8001 |
AD8001
REV. B
–14–
Layout Considerations
T he specified high speed performance of the AD8001 requires
careful attention to board layout and component selection.
Proper RF
design techniques and low parasitic component selec-
tion are mandatory.
T he PCB should have a ground plane covering all unused por-
tions of the component side of the board to provide a low im-
pedance ground path. T he ground plane should be removed
from the area near the input pins to reduce stray capacitance.
Chip capacitors should be used for supply bypassing (see Figure
49). One end should be connected to the ground plane and the
other within 1/8 in. of each power pin. An additional large
(4.7
μ
F–10
μ
F) tantalum electrolytic capacitor should be con-
nected in parallel, but not necessarily so close, to supply current
for fast, large-signal changes at the output.
T he feedback resistor should be located close to the inverting
input pin in order to keep the stray capacitance at this node to a
minimum. Capacitance variations of less than 1 pF at the invert-
ing input will significantly affect high speed performance.
Stripline design techniques should be used for long signal traces
(greater than about 1 in.). T hese should be designed with a
characteristic impedance of 50
or 75
and be properly termi-
nated at each end.
T able I. Recommended Component Values
AD8001AN (DIP)
Gain
+1
+2
AD8001AR (SOIC)
Gain
+1
+2
Component
–1
+10
+100
–1
+10
+100
R
F
R
G
R
O
(Nominal)
R
S
R
T
(Nominal)
Small Signal BW (MHz)
0.1 dB Flatness (MHz)
649
649
49.9
0
54.9
340
105
1050
750
–
49.9
–
49.9
880
70
470
51
49.9
–
49.9
260
–
1000
10
49.9
–
49.9
20
–
604
604
49.9
0
54.9
370
130
953
–
49.9
–
49.9
710
100
681
681
49.9
–
49.9
440
120
470
51
49.9
–
49.9
260
–
1000
10
49.9
–
49.9
20
–
750
49.9
–
49.9
460
105
R
F
R
O
+V
S
–V
S
R
T
R
G
OUT
N
I
Noninverting Configuration
R
F
R
O
+V
S
–V
S
R
S
R
T
R
G
OUT
N
I
Inverting Configuration
C1
1000pF
C3
0.01
μ
F
C5
10
μ
F
C2
1000pF
C4
0.01
μ
F
C6
10
μ
F
+V
S
–V
S
Supply Bypassing
Figure 49. Inverting and Noninverting Configurations for Evaluation Boards
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AD8001_03 | 制造商:AD 制造商全稱:Analog Devices 功能描述:800 MHz, 50 mW Current Feedback Amplifier |
| AD800-10-TO5I | 功能描述:光電二極管 800um active area APD chip w/ IR RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Photodiodes 反向電壓:10 V 最大暗電流:30 nA 峰值波長:565 nm 上升時間:3.1 us 下降時間:3 us 半強度角度:50 deg 封裝 / 箱體:TO-5 |
| AD800-11-TO52S1.3 | 功能描述:光電二極管 800um active area APD chip w/ Blue RoHS:否 制造商:Vishay Semiconductors 產(chǎn)品:Photodiodes 反向電壓:10 V 最大暗電流:30 nA 峰值波長:565 nm 上升時間:3.1 us 下降時間:3 us 半強度角度:50 deg 封裝 / 箱體:TO-5 |
| AD80013AJSTRL | 制造商:Analog Devices 功能描述: |
| AD80013JST | 制造商:Analog Devices 功能描述: |
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