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參數(shù)資料
| 型號(hào)： | EL2044CSZT13 |
| 廠商： | Intersil Corporation |
| 英文描述： | Low Power/Low Voltage 120MHz Unity-Gain Stable Operational Amplifier |
| 中文描述： | 低功耗/低電壓120MHz的單位增益穩(wěn)定運(yùn)算放大器 |
| 文件頁(yè)數(shù)： | 2/13頁(yè) |
| 文件大?。?/td> | 414K |
| 代理商： | EL2044CSZT13 |
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EL2044C
Low Power/Low Voltage 120MHz Unity-Gain Stable Operational Amplifier
E
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20
44
C
The output drive capability of the EL2044C allows it to
drive up to 2 back-terminated loads with good video per-
formance. For more demanding applications such as
greater output drive or better video distortion, a number
of alternatives such as the EL2120C, EL400C, or
EL2073C should be considered.
Output Drive Capability
The EL2044C has been designed to drive low imped-
ance loads. It can easily drive 6VPP into a 150 load.
This high output drive capability makes the EL2044C an
ideal choice for RF, IF and video applications. Further-
more, the current drive of the EL2044C remains a
minimum of 35mA at low temperatures. The EL2044C
is current-limited at the output, allowing it to withstand
shorts to ground. However, power dissipation with the
output shorted can be in excess of the power-dissipation
capabilities of the package.
Capacitive Loads
For ease of use, the EL2044C has been designed to drive
any capacitive load. However, the EL2044C remains
stable by automatically reducing its gain-bandwidth
product as capacitive load increases. Therefore, for max-
imum bandwidth, capacitive loads should be reduced as
much as possible or isolated via a series output resistor
(RS). Similarly, coax lines can be driven, but best AC
performance is obtained when they are terminated with
their characteristic impedance so that the capacitance of
the coaxial cable will not add to the capacitive load seen
by the amplifier. Although stable with all capacitive
loads, some peaking still occurs as load capacitance
increases. A series resistor at the output of the EL2044C
can be used to reduce this peaking and further improve
stability.
Printed-Circuit Layout
The EL2044C is well behaved, and easy to apply in most
applications. However, a few simple techniques will
help assure rapid, high quality results. As with any high-
frequency device, good PCB layout is necessary for
optimum performance. Ground-plane construction is
highly recommended, as is good power supply bypass-
ing. A 0.1F ceramic capacitor is recommended for
bypassing both supplies. Lead lengths should be as short
as possible, and bypass capacitors should be as close to
the device pins as possible. For good AC performance,
parasitic capacitances should be kept to a minimum at
both inputs and at the output. Resistor values should be
kept under 5k
because of the RC time constants associ-
ated with the parasitic capacitance. Metal-film and
carbon resistors are both acceptable, use of wire-wound
resistors is not recommended because of their parasitic
inductance. Similarly, capacitors should be low-induc-
tance for best performance.
The EL2044C Macromodel
This macromodel has been developed to assist the user
in simulating the EL2044C with surrounding circuitry. It
has been developed for the PSPICE simulator (copywrit-
ten by the Microsim Corporation), and may need to be
rearranged for other simulators. It approximates DC,
AC, and transient response for resistive loads, but does
not accurately model capacitive loading. This model is
slightly more complicated than the models used for low-
frequency op-amps, but it is much more accurate for AC
analysis.
The model does not simulate these characteristics
accurately:
noise
non-linearities
settling-time
temperature effects
CMRR
PSRR
manufacturing variations
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EL2044CSZ-T7 | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Low Power/Low Voltage 120MHz Unity-Gain Stable Operational Amplifier |
| EL2045 | 制造商:INTERSIL 制造商全稱(chēng):Intersil Corporation 功能描述:Low-Power 100MHz Gain-of-2 Stable Operational Amplifier |
| EL2045C | 制造商:ELANTEC 制造商全稱(chēng):ELANTEC 功能描述:Low-Power 100 MHz Gain-of-2 Stable Operational Amplifier |
| EL2045CN | 功能描述:IC OP AMP 100MHZ HS 8-PDIP RoHS:否 類(lèi)別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:- 標(biāo)準(zhǔn)包裝:50 系列:- 放大器類(lèi)型:通用 電路數(shù):2 輸出類(lèi)型:滿擺幅 轉(zhuǎn)換速率:1.8 V/µs 增益帶寬積:6.5MHz -3db帶寬:4.5MHz 電流 - 輸入偏壓:5nA 電壓 - 輸入偏移:100µV 電流 - 電源:65µA 電流 - 輸出 / 通道:35mA 電壓 - 電源，單路/雙路(±):1.8 V ~ 5.25 V，±0.9 V ~ 2.625 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:10-TFSOP，10-MSOP（0.118"，3.00mm 寬） 供應(yīng)商設(shè)備封裝:10-MSOP 包裝:管件 |
| EL2045CNP | 制造商:Intersil Corporation 功能描述:2045CNP |
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