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EL2071 PDF预览

EL2071

更新时间: 2024-02-14 13:12:00
品牌 Logo 应用领域
英特矽尔 - INTERSIL 放大器
页数 文件大小 规格书
11页 405K
描述
150MHz Current Feedback Amplifier

EL2071 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOP, SOP8,.25
针数:8Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.33.00.01
风险等级:5.92放大器类型:OPERATIONAL AMPLIFIER
架构:CURRENT-FEEDBACK25C 时的最大偏置电流 (IIB):30 µA
标称共模抑制比:50 dB频率补偿:YES (AVCL>=7)
最大输入失调电压:10000 µVJESD-30 代码:R-PDSO-G8
JESD-609代码:e0长度:4.9 mm
低-失调:NO负供电电压上限:-7 V
标称负供电电压 (Vsup):-5 V功能数量:1
端子数量:8最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装等效代码:SOP8,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED电源:+-5 V
认证状态:Not Qualified座面最大高度:1.75 mm
最小摆率:700 V/us标称压摆率:1200 V/us
子类别:Operational Amplifier最大压摆率:21 mA
供电电压上限:7 V标称供电电压 (Vsup):5 V
表面贴装:YES技术:BIPOLAR
温度等级:INDUSTRIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
宽带:YES宽度:3.9 mm

EL2071 数据手册

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EL2071, EL2171  
Equivalent Circuit  
flowing into the inverting input in the steady-state (non-  
Burn-In Circuit  
slewing) condition is very small.  
Therefore we can still use op-amp assumptions as a first-  
order approximation for circuit analysis, namely that:  
1.The voltage across the inputs is approximately 0V.  
2.The current into the inputs is approximately 0mA.  
Resistor Value Selection and Optimization  
The value of the feedback resistor (and an internal capacitor)  
sets the AC dynamics of the EL2071/EL2171. The nominal  
value for the feedback resistor is 1.5k, which is the value  
used for production testing. This value guarantees stability.  
For a given closed-loop gain the bandwidth may be  
increased by decreasing the feedback resistor and,  
conversely, the bandwidth may be decreased by increasing  
the feedback resistor.  
ALL PACKAGES USE THE SAME SCHEMATIC.  
Applications Information  
Reducing the feedback resistor too much will result in  
overshoot and ringing, and eventually oscillations. Increasing  
the feedback resistor results in a lower -3dB frequency.  
Attenuation at high frequency is limited by a zero in the  
closed-loop transfer function which results from stray  
capacitance between the inverting input and ground.  
Consequently, it is very important to keep stray capacitance  
to a minimum at the inverting input.  
Theory of Operation  
The EL2071/EL2171 have a unity gain buffer from the non-  
inverting input to the inverting input. The error signal of the  
EL2071/EL2171 is a current flowing into (or out of) the  
inverting input. A very small change in current flowing  
through the inverting input will cause a large change in the  
output voltage. This current amplification is called the  
transimpedance (R ) of the EL2071/EL2171  
OL  
[V  
OUT  
= (R ) * (-I )]. Since R is very large, the current  
OL IN OL  
8

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