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EL2082CN PDF预览

EL2082CN

更新时间： 2024-01-02 01:28:29
品牌 Logo 应用领域
英特矽尔 - INTERSIL /
页数 文件大小 规格书
14页 263K
描述
Current Mode Multiplier

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EL2082CN 技术参数

是否Rohs认证：不符合生命周期：Obsolete
Reach Compliance Code：unknown风险等级：5.84
Is Samacsys：N模拟集成电路 - 其他类型：ANALOG MULTIPLIER OR DIVIDER
标称带宽：150 MHzJESD-30 代码：R-GDIP-T8
JESD-609代码：e0负电源电压最大值（Vsup）：-15 V
负电源电压最小值（Vsup）：-5 V标称负供电电压 (Vsup)：-15 V
功能数量：1端子数量：8
最高工作温度：125 °C最低工作温度：-55 °C
封装主体材料：CERAMIC, GLASS-SEALED封装代码：DIP
封装等效代码：DIP8,.3封装形状：RECTANGULAR
封装形式：IN-LINE峰值回流温度（摄氏度）：NOT SPECIFIED
电源：+-15 V认证状态：Not Qualified
子类别：Analog Computational Functions最大供电电流 (Isup)：16 mA
最大供电电压 (Vsup)：15 V最小供电电压 (Vsup)：5 V
标称供电电压 (Vsup)：15 V表面贴装：NO
技术：BIPOLAR温度等级：MILITARY
端子面层：Tin/Lead (Sn/Pb)端子形式：THROUGH-HOLE
端子节距：2.54 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

EL2082CN 数据手册

 浏览型号EL2082CN的Datasheet PDF文件第5页浏览型号EL2082CN的Datasheet PDF文件第6页浏览型号EL2082CN的Datasheet PDF文件第7页浏览型号EL2082CN的Datasheet PDF文件第9页浏览型号EL2082CN的Datasheet PDF文件第10页浏览型号EL2082CN的Datasheet PDF文件第11页 
EL2082  
Maximum bandwidth is maintained over a gain range of +6  
to -16dB; bandwidth drops at lower gains. If wider gain range  
with full bandwidth is required, two or more EL2082s can be  
The circuit above gives a negative gain. The main concern of  
this connection involves the total I and stray  
capacitances at the amplifier's input. When using traditional  
op-amps, the pole caused by these capacitances can make  
the amplifier less stable and even cause oscillations in  
amplifiers whose gain-bandwidth is greater than 5MHz. A  
OUT  
cascaded with the I  
next.  
of one directly driving the I of the  
IN  
OUT  
The EL2082 can also be used with an I ® V operational  
circuit:  
typical cure is to add a capacitor C in the 2pF-10pF range.  
F
This will reduce overall bandwidth, so a capacitor C can be  
IN  
added to regain frequency response. The ratio C /C is  
IN  
F
V
R
F
æ
ö
GAIN  
GAIN = -  
ç
÷
------------------ ----------------------------  
made equal to R /R .  
IN  
F
1V + 95W  
R
è
ø
IN  
Current-feedback amplifiers eliminate this difficulty. Because  
their -input is a very low impedance, capacitance at the  
summing point of an inverting operational circuit is far less  
troublesome. Here is a table of results of various current-  
feedback circuits used in the inverting circuit:  
FIGURE 2. INVERTING EL2082 + OP-AMP  
OPERATIONAL  
-3dB  
AMPLIFIER  
POWER SUPPLIES  
R
R
R
G
BANDWIDTH  
0.1dB BANDWIDTH PEAKING  
F
IN  
EL2020  
±5V  
±15V  
±5V  
1k  
1k  
1k  
1k  
2k  
910  
910  
910  
910  
1.8k  
_
29MHz  
4.3MHz  
5.3MHz  
9.7MHz  
12.3MHz  
11MHz  
0
EL2020  
_
_
34MHz  
0
0
EL2130  
61MHz  
EL2030  
±15V  
±5V  
_
82MHz  
0
EL2171 (Note 1)  
1k  
114MHz  
1.2dB  
NOTE:  
1. With the EL2171, the EL2082 had ±15V supplies and the EL2171 required a 150W output load.  
The EL2120 and EL2090 are suitable in this circuit but they  
The EL2082 can also be used within an op-amp's feedback  
loop:  
are compensated for 300W feedback resistors. R would  
IN  
have to be reduced greatly to obtain unity gain and the  
increased signal currents would cause the EL2082 to display  
much increased distortion. They could be used if the input  
R
+ 95W  
ö
æ
1V  
F9  
GAIN = -  
ç
÷
------------------ ----------------------------  
V
R
IN  
è
ø
GAIN  
resistor were maintained at 910W and R reduced for a -1/3  
F
gain, or if R = 1k and an overall bandwidth of 25MHz were  
F
acceptable.  
FIGURE 3. EL2082 IN FEEDBACK INVERTING GAIN  
With voltage-mode op-amps, the same concern about  
capacitance at the summing node exists, so C and C  
F
IN  
should be used. As before, current-feedback amplifiers tend  
to solve the problem. However, in this circuit the inherent  
8
1...567891011...14

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