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EL2210

更新时间： 2024-02-29 13:04:07
品牌 Logo 应用领域
英特矽尔 - INTERSIL 运算放大器
页数 文件大小 规格书
11页 91K
描述
Low Cost, Dual, Triple and Quad Video Op Amps

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EL2210 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-8
针数：8Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.33.00.01
风险等级：5.79Is Samacsys：N
放大器类型：OPERATIONAL AMPLIFIERJESD-30 代码：R-PDSO-G8
JESD-609代码：e0长度：4.9022 mm
功能数量：2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
座面最大高度：1.7272 mm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
宽度：3.9116 mmBase Number Matches：1

EL2210 数据手册

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EL2210/11, EL2310/11, EL2410/11  
expected ambient temperature of 85°C, the total allowable  
power dissipation for the SO8 package would be:  
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 820Ω  
resistor to 500Ω will allow reasonable dG and dP to  
approximately -0.75mV. The EL2211, EL2311, and EL2411  
will achieve approximately 0.1%/0.4° between 0V and  
-0.75V. Beyond -0.75V dG and dP get worse by orders of  
magnitude.  
150 – 85  
160°C/W  
-------------------------  
= 361mW  
P
=
D
At 12V total supply voltage each amplifier draws a maximum  
of 10mA and dissipates 12V * 10mA = 120mW or 240mW for  
the dual amplifier. Which leaves 121mW of increased power  
due to the load. If the load were 150Ω connected to the most  
Differential gain and differential phase are fairly constant for  
all loads above 150Ω. Differential phase performance will  
improve by a factor of 3 if the supply voltage is increased to  
±6V.  
negative voltage and the maximum voltage out were V -  
S
+1V the load current would be 6.67mA. Then an extra  
146mW ((12V - 1V) * 6.67mA * 2) would be dissipated in the  
EL2210 or EL2211. The total dual amplifier power  
dissipation would be 146mW + 240mW = 386mW, more than  
the maximum 361mW allowed. If the total supply difference  
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).  
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 output current  
with a series resistor.  
Printed-Circuit Layout  
In the above example, if the supplies were split ±6V and the  
150Ω 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.  
The EL2210/EL2211/EL2310/EL2311/ EL2410/EL2411 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 bypassing. 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 5kΩ because of the RC time constants  
associated 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-inductance  
for best performance.  
Video Performance  
Following industry standard practices (see EL2044  
applications section) these six devices exhibit good  
differential gain (dG) and good differential phase (dP) with  
±5V supplies and an external 820Ω resistor to the negative  
supply, in a gain of 2 configuration. Driving 75Ω back  
terminated cables to standard video levels (1.428V at the  
amplifier) the EL2210, EL2310, and EL2410 have dG of  
0.1% and dP of 0.2°. The EL2211, EL2311, and EL2411  
have dG of 0.04% and dP of 0.15°.  
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