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參數(shù)資料
| 型號： | MAX4212 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Miniature, 300MHz, Single-Supply, Rail-to-Rail Op Amps with Enable |
| 中文描述： | 微型、300MHz、單電源、 滿擺幅運算放大器，帶有使能端 |
| 文件頁數(shù)： | 12/16頁 |
| 文件大?。?/td> | 288K |
| 代理商： | MAX4212 |
M
Output Capac itive Loading and S tability
The MAX4212/MAX4213/MAX4216/MAX4218/MAX4220
are optimized for AC performance. They are not
designed to drive highly reactive loads, which de-
creases phase margin and may produce excessive
ringing and oscillation. Figure 5 shows a circuit that
eliminates this problem. Figure 6 is a graph of the opti-
mal isolation resistor (R
S
) vs. capacitive load. Figure 7
shows how a capacitive load causes excessive peak-
ing of the amplifier’s frequency response if the capaci-
tor is not isolated from the amplifier by a resistor. A
small isolation resistor (usually 20
to 30
) placed
before the reactive load prevents ringing and oscilla-
tion. At higher capacitive loads, AC performance is
controlled by the interaction of the load capacitance
and the isolation resistor. Figure 8 shows the effect of a
27
isolation resistor on closed-loop response.
Coaxial cable and other transmission lines are easily
driven when properly terminated at both ends with their
characteristic impedance. Driving back-terminated
transmission lines essentially eliminates the line’s
capacitance.
Miniature, 300MHz, S ingle-S upply,
Rail-to-Rail Op Amps with Enable
12
______________________________________________________________________________________
OUT
IN-
EN_
IN+
10k
ENABLE
MAX42_ _
20
-160
0
50 100 150
300 350
500
-100
-120
0
mV ABOVE V
EE
I
μ
A
200 250
400 450
-60
-140
-20
-40
-80
0
-10
0
50 100 150
300 350
500
-7
-8
-1
mV ABOVE V
EE
I
μ
A
200 250
400 450
-3
-5
-9
-2
-4
-6
Figure 2. Enable Logic-Low Input Current vs. V
IL
Figure 4. Enable Logic-Low Input Current vs. V
IL
with 10k
Series Resistor
Figure 3. Circuit to Reduce Enable Logic-Low Input Current
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX4220ESD | Miniature, 300MHz, Single-Supply, Rail-to-Rail Op Amps with Enable |
| MAX4212EUK | Miniature, 300MHz, Single-Supply, Rail-to-Rail Op Amps with Enable |
| MAX4213ESA | Miniature, 300MHz, Single-Supply, Rail-to-Rail Op Amps with Enable |
| MAX4216ESA | Miniature, 300MHz, Single-Supply, Rail-to-Rail Op Amps with Enable |
| MAX4220EEE | Miniature, 300MHz, Single-Supply, Rail-to-Rail Op Amps with Enable |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX4212EUK | 制造商:Maxim Integrated Products 功能描述:5 PIN COUNT SOT PACKAGE TYPE - Rail/Tube 制造商:Maxim Integrated Products 功能描述:IC OP AMP 300MHZ RRO/P SMD 4212 |
| MAX4212EUK+ | 制造商:Maxim Integrated Products 功能描述:OP AMP SGL VOLT FDBK R-R O/P 5.5V/11V 5PIN SOT-23 - Rail/Tube 制造商:Maxim Integrated Products 功能描述:RAIL-TO-RAIL OP AMPS WITH ENABLE |
| MAX4212EUK+T | 功能描述:高速運算放大器 Miniature 300MHz Single-Supply R-R RoHS:否 制造商:Texas Instruments 通道數(shù)量:1 電壓增益 dB:116 dB 輸入補償電壓:0.5 mV 轉(zhuǎn)換速度:55 V/us 工作電源電壓:36 V 電源電流:7.5 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX4212EUK+T | 制造商:Maxim Integrated Products 功能描述:IC OP-AMP ((NW)) |
| MAX4212EUK+T | 制造商:Maxim Integrated Products 功能描述:OP AMP 300MHZ RRO/P SMD 4212 |
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