Datasheet > 放大器电路 > 缓冲放大器> EL2004CL

EL2004CL

更新时间： 2024-01-29 20:02:50

品牌	Logo	应用领域
ELANTEC		/
页数	文件大小	规格书
16页	274K
描述
Buffer Amplifier, 1 Func, Hybrid, CQCC52,

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技术参数
数据手册

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EL2004CL 技术参数

生命周期：	Transferred	零件包装代码：	QLCC
针数：	52	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.33.00.01
风险等级：	5.75	Is Samacsys：	N
放大器类型：	BUFFER	标称带宽 (3dB)：	200 MHz
25C 时的最大偏置电流 (IIB)：	0.0025 µA	最大输入失调电压：	35000 µV
JESD-30 代码：	S-CQCC-N52	JESD-609代码：	e0
负供电电压上限：	-20 V	标称负供电电压 (Vsup)：	-15 V
功能数量：	1	端子数量：	52
最高工作温度：	125 °C	最低工作温度：	-55 °C
封装主体材料：	CERAMIC, METAL-SEALED COFIRED	封装代码：	QCCN
封装等效代码：	LCC52,.75SQ	封装形状：	SQUARE
封装形式：	CHIP CARRIER	峰值回流温度（摄氏度）：	NOT SPECIFIED
电源：	+-5/+-15 V	认证状态：	Not Qualified
筛选级别：	MIL-STD-883 Class B (Modified)	最小摆率：	2000 V/us
标称压摆率：	1200 V/us	子类别：	Buffer Amplifier
最大压摆率：	24 mA	供电电压上限：	20 V
标称供电电压 (Vsup)：	15 V	表面贴装：	YES
技术：	BIPOLAR	温度等级：	MILITARY
端子面层：	Tin/Lead (Sn/Pb)	端子形式：	NO LEAD
端子节距：	1.27 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	NOT SPECIFIED	Base Number Matches：	1

EL2004CL 数据手册

EL2004/EL2004C

350 MHz FET Buffer

Circuit Operation Ð Contd.

General Application Suggestions

Increasing Operating Voltage

and Reducing Thermal Tail

Video DAC Buffer

Many of the available video D to A converters

are unable to directly drive 50X or 75X cables.

The EL2004’s excellent phase linearity at video

frequencies make it an ideal solution. In critical

applications or where line termination is not con-

trolled, a matching pad should be used as shown.

The capacitor should be adjusted for optimum

pulse response. If properly layed out this circuit

will not overshoot.

When driving heavy loads, the changing dissipa-

tion in the output transistors can sometimes

cause temperature gradients in the circuit which

cause a shift in offset voltage and the phenome-

non known as ‘‘thermal tail’’. Bootstrapping the

output as illustrated substantially reduces the

power in the output transistors and mitigates the

effect.

Video DAC Buffer

High Voltage Inputs can be Accommodated

with Bootstrapped Supplies

2004–14

Impedance Matching

The EL2004 provides power gain and isolation

between source and load when used as an active

tap or impedance matching device as illustrated

here. In this example, there is no output match-

ing pad between the 2004 and the 75X line. Such

matching is not needed when the distant end of

the cable is properly terminated as there is no

reflected signal to worry about and the 2004 iso-

lates the source. This technique allows the full

output voltage of the EL2004 to be applied to the

load.

2004–13

Hardware

In order to utilize the full drive capabilities of the

EL2004, it should be mounted with a heatsink,

particularly for extended temperature operation.

Suitable heatsinks include Thermalloy 2240A

(33 C/W), Wakefield 215CB (30 C/W) and

Impedance Converter

IERC-UP-TO-848CB (15 C/W).

The case is isolated from the circuit and may be

connected to system chassis. Sockets are not rec-

ommended as they add substantial inductance

and capacitance which impair the performance of

the device. However, for test purposes they are

unavoidable and precautions such as shielding in-

put from output are suggested.

2004–15

1...6 7 8910 11 12...16

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与EL2004CL相关器件

型号	品牌	描述	获取价格	数据表
EL2004G	ELANTEC	350 MHz FET Buffer	获取价格
EL2004G/883B	ELANTEC	Buffer Amplifier, 1 Func, BIPolar, MBCY12, TO-8, 12 PIN	获取价格
EL2004L	ELANTEC	350 MHz FET Buffer	获取价格
EL2004L/MIL	ETC	Analog Buffer/Voltage Follower	获取价格
EL2004MIL	ELANTEC	350 MHz FET Buffer	获取价格
EL2005	ELANTEC	High Accuracy Fast Buffer	获取价格

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