Datasheet > EL2142

EL2142

更新时间： 2024-01-19 16:47:27

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
6页	274K
描述
Differential Line Receiver

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技术参数
数据手册

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EL2142 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	SOIC	包装说明：	SOP, SOP8,.25
针数：	8	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.42	输入特性：	DIFFERENTIAL
接口集成电路类型：	LINE RECEIVER	接口标准：	GENERAL PURPOSE
JESD-30 代码：	R-PDSO-G8	JESD-609代码：	e3
长度：	4.9022 mm	湿度敏感等级：	3
标称负供电电压：	-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）：	260	电源：	+-5 V
认证状态：	Not Qualified	最大接收延迟：
接收器位数：	1	座面最大高度：	1.7272 mm
子类别：	Line Driver or Receivers	最大压摆率：	14 mA
最大供电电压：	6.3 V	最小供电电压：	3 V
标称供电电压：	5 V	表面贴装：	YES
温度等级：	INDUSTRIAL	端子面层：	MATTE TIN
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：	40
宽度：	3.9116 mm	Base Number Matches：	1

EL2142 数据手册

EL2142

one, there is little to be gained from choosing resistor R1

Applications Information

value below 200Ω, for it would only result in increased power

dissipation and potential signal distortion. Above 200Ω, the

bandwidth response will develop some peaking (for a gain of

one), but substantially higher R1 values may be used for

higher voltage gains, such as up to 1kΩ at a gain of four

before peaking will develop.

Capacitance Considerations

As with many high bandwidth amplifiers, the EL2142 prefers

not to drive highly capacitive loads. It is best if the

capacitance on V

is kept below 10pF if the user does not

OUT

want gain peaking to develop. The V node forms a

potential pole in the feedback loop, so capacitance should be

minimized on this node for maximum bandwidth.

Gain Equation

GND

= ((R2+R1)/R1) x (V -V +V ) when R1 tied to

IN INB REF

OUT

The amount of capacitance tolerated on any of these nodes

in an actual application will also be dependent on the gain

setting and the resistor values in the feedback network.

= ((R2+R1)/R1) x (V -V ) when R1 tied to V

IN INB

OUT

REF

Choice of Feedback Resistor

For a gain of one, V may be shorted back to V , but

OUT FB

100Ω-200Ω improves the bandwidth. For gains greater than

Typical Applications Circuits

100Ω

50Ω

EL2142

OUT

INB

50Ω

REF

FIGURE 1. TYPICAL TWISTED PAIR APPLICATION

FIGURE 2. COAXIAL CABLE DRIVER PAIR APPLICATION

FN7049.1

February 11, 2005

1 2 345 6

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