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EL2211CN PDF预览

EL2211CN

更新时间: 2024-01-05 14:04:56
品牌 Logo 应用领域
ELANTEC 运算放大器放大器电路光电二极管局域网
页数 文件大小 规格书
12页 192K
描述
Low Cost, Dual, Triple and Quad Video Op Amps

EL2211CN 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
包装说明:SO-8Reach Compliance Code:unknown
风险等级:5.88放大器类型:OPERATIONAL AMPLIFIER
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
功能数量:1端子数量:8
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE
峰值回流温度(摄氏度):NOT SPECIFIED认证状态:Not Qualified
子类别:Operational Amplifier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
端子位置:DUAL处于峰值回流温度下的最长时间:NOT SPECIFIED
Base Number Matches:1

EL2211CN 数据手册

 浏览型号EL2211CN的Datasheet PDF文件第5页浏览型号EL2211CN的Datasheet PDF文件第6页浏览型号EL2211CN的Datasheet PDF文件第7页浏览型号EL2211CN的Datasheet PDF文件第9页浏览型号EL2211CN的Datasheet PDF文件第10页浏览型号EL2211CN的Datasheet PDF文件第11页 
EL2210C/11C, EL2310C/11C, EL2410C/11C  
Low Cost, Dual, Triple and Quad Video Op Amps  
EL2211C. The total dual amplifier power dissipation  
would be 146mW + 240mW = 386mW, more than the  
maximum 361mW allowed. If the total supply differ-  
ence were reduced to 10V, the same calculations would  
yield 200mW quiescent power dissipation and 120mW  
due to loading. This results in a die temperature of  
143°C (85°C + 58°C).  
Printed-Circuit Layout  
The EL2210C/EL2211C/EL2310C/EL2311C/  
EL2410C/EL2411C are 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 0.1µF 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 5kW 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.  
In the above example, if the supplies were split ±6V and  
the 150W loads were connected to ground, the load  
induced power dissipation would drop to 66.7mW  
(6.67mA * (6 - 1) * 2) and the die temperature would be  
below the rated maximum.  
Video Performance  
Following industry standard practices (see EL2044C  
applications section) these six devices exhibit good dif-  
ferential gain (dG) and good differential phase (dP) with  
±5V supplies and an external 820W resistor to the nega-  
tive supply, in a gain of 2 configuration. Driving 75W  
back terminated cables to standard video levels (1.428V  
at the amplifier) the EL2210C, EL2310C, and EL2410C  
have dG of 0.1% and dP of 0.2°. The EL2211C,  
EL2311C, and EL2411C have dG of 0.04% and dP of  
0.15°.  
Due to the negative swing limitations described above,  
inverted video at a gain of 2 is just not practical. If  
swings below ground are required then changing the  
extra 820W resistor to 500W will allow reasonable dG  
and dP to approximately -0.75mV. The EL2211C,  
EL2311C, and EL2411C will achieve approximately  
0.1%/0.4° between 0V and -0.75V. Beyond -0.75V dG  
and dP get worse by orders of magnitude.  
Differential gain and differential phase are fairly con-  
stant for all loads above 150W. Differential phase  
performance will improve by a factor of 3 if the supply  
voltage is increased to ±6V.  
Output Drive Capability  
None of these devices have short circuit protection. Each  
output is capable of more than 100mA into a shorted  
output. Care must be used in the design to limit the out-  
put current with a series resistor.  
8

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