Datasheet > EL2111CW

EL2111CW

更新时间： 2024-02-27 11:53:51

品牌	Logo	应用领域
英特矽尔 - INTERSIL		运算放大器光电二极管局域网
页数	文件大小	规格书
6页	103K
描述
Low Cost, Gain of 2, Video Op Amp

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EL2111CW 技术参数

生命周期：	Obsolete	包装说明：	SOT-23, 5 PIN
Reach Compliance Code：	unknown	ECCN代码：	EAR99
HTS代码：	8542.33.00.01	风险等级：	5.84
Is Samacsys：	N	放大器类型：	OPERATIONAL AMPLIFIER
JESD-30 代码：	R-PDSO-G5	长度：	2.9 mm
功能数量：	1	端子数量：	5
封装主体材料：	PLASTIC/EPOXY	封装代码：	LSSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
认证状态：	Not Qualified	座面最大高度：	1.45 mm
子类别：	Operational Amplifier	表面贴装：	YES
技术：	BIPOLAR	温度等级：	INDUSTRIAL
端子形式：	GULL WING	端子节距：	0.95 mm
端子位置：	DUAL	宽度：	1.6 mm
Base Number Matches：	1

EL2111CW 数据手册

EL2111

range requirement 25% and the output offset is shifted to

2.1V you can take a gain of 1.5 and have a standard NTSC

1V at the 75Ω load.

Printed Circuit Layout

The EL2111 is 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

A simple transistor, capacitor and resistor sync tip clamp

may be used when the input is already AC coupled to set the

sync tip to ground. This gives the input a fixed DC level and

can be used like a direct coupled input. The clamp uses a

PNP transistor with the collector at ground and the base has

a 200kΩ resistor to 5V. The emitter connects to the amplifier

input and a capacitor from the video input. The clamp

functions as an inverted Beta current source for input bias

current with plus inputs and a clamp to ground for minus

performance. Ground-plane construction is highly

recommended, as is good power supply bypassing. A 0.1µF

ceramic capacitor is recommended for bypassing both

supplies. Pin 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.

inputs. The R and R resistors are removed for the clamp

option (Figure 4).

2N3904

200K

Clamp

Option

PNP

12K

1.4VB

47µF

OUT

2.1VB

V AMP

AMP

–

Video

–

FIGURE 4.

All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems.

Intersil Corporation’s quality certifications can be viewed at www.intersil.com/design/quality

Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without

notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and

reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result

from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.

For information regarding Intersil Corporation and its products, see www.intersil.com

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