EL4581CN

更新时间： 2024-09-17 22:49:11

品牌	Logo	应用领域
ELANTEC		信号分离器集成电路消费电路商用集成电路光电二极管局域网
页数	文件大小	规格书
12页	212K
描述
Sync Separator, 50% Slice, S-H, Filter

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技术参数
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EL4581CN 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
包装说明：	PLASTIC, DIP-8	Reach Compliance Code：	unknown
风险等级：	5.56	Is Samacsys：	N
商用集成电路类型：	SYNC SEPARATOR IC	JESD-30 代码：	R-PDIP-T8
JESD-609代码：	e0	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：	DIP	封装等效代码：	DIP8,.3
封装形状：	RECTANGULAR	封装形式：	IN-LINE
电源：	5 V	认证状态：	Not Qualified
子类别：	Other Consumer ICs	最大压摆率：	3 mA
最大供电电压 (Vsup)：	5 V	最小供电电压 (Vsup)：	5 V
表面贴装：	NO	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	Tin/Lead (Sn/Pb)
端子形式：	THROUGH-HOLE	端子节距：	2.54 mm
端子位置：	DUAL	Base Number Matches：	1

EL4581CN 数据手册

EL4581C

Sync Separator, 50% Slice, S-H, Filter

Features

# NTSC, PAL and SECAM sync

separation

General Description

The EL4581C extracts timing information from standard nega-

tive going video sync found in NTSC, PAL, and SECAM broad-

cast systems. It can also be used in non standard formats and

with computer graphics systems at higher scan rates, by adjust-

ing a single external resistor. When the input does not have

correct serration pulses in the vertical interval, a default verti-

cal output is produced.

# Single supply, 5V

# Precision 50% slicing, internal

caps

# Built-in color burst filter

# Decodes non-standard verticals

# Pin compatible with LM1881

# Low power

# Typically 1.5 mA supply current

# Resistor programmable scan rate

# Few external components

Outputs are composite sync, vertical sync, burst/back porch

output, and odd/even output. The later operates only in inter-

laced scan formats.

The EL4581C provides a reliable method of determining correct

sync slide level by setting it to the mid-point between sync tip

and blanking level at the back porch. This 50% level is deter-

mined by two internal self timing sample and hold circuits that

track sync tip and back porch levels. This also provides a degree

of hum and noise rejection to the input signal, and compensates

for varying input levels of 0.5 p-p to 2.0 Vp-p.

# Available in 8-pin DIP and SO-8

pkg.

Applications

# Video special effects

# Video test equipment

# Video distribution

# Displays

A built in linear phase, third order, low pass filter attenuates

the chroma signal in color systems to prevent incorrectly set

color burst from disturbing the 50% sync slide.

# Imaging

# Video data capture

# Video triggers

This device may be used to replace the industry standard

LM1881, offering improved performance and reduced power

consumption.

Ordering Information

Part No. Temp. Range Package Outline

The EL4581C video sync separator is manufactured using

Elantec’s high performance analog CMOS process.

EL4581CN 40 C to 85 C 8-Pin DIP MDP0031

40 C to 85 C 8-Lead SO MDP0027

EL4581CS

Connection Diagram

Demo Board

EL4581C SO, P-DIP Packages

A dedicated demo board is not

available. However, this device can

be placed on the EL4584/5 Demo

Board.

4581–1

Top View

Manufactured under U.S. Patent No. 5,528,303

Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a ‘‘controlled document’’. Current revisions, if any, to these

specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation.

1993 Elantec, Inc.

12 3 4 5 6 7...12

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与EL4581CN相关器件

型号	品牌	获取价格	描述	数据表
EL4581CS	ELANTEC	获取价格	Sync Separator, 50% Slice, S-H, Filter
EL4581CS	INTERSIL	获取价格	Sync Separator, 50% Slice, S-H, Filter
EL4581CS-T13	ELANTEC	获取价格	Sync Separator IC, PDSO8, SO-8
EL4581CSZ	INTERSIL	获取价格	Sync Separator, 50% Slice, S-H, Filter
EL4583	ELANTEC	获取价格	Sync Separator, 50% Slice, S-H, Filter, HOUT
EL4583	INTERSIL	获取价格	Sync Separator, 50% Slice, S-H, Filter, Horizontal sync output
EL4583_06	INTERSIL	获取价格	Sync Separator, 50% Slice, S-H, Filter, HOUT
EL4583_10	INTERSIL	获取价格	Sync Separator, 50% Slice, S-H, Filter
EL4583A	INTERSIL	获取价格	Sync Separator, 50% Slice, S-H, Filter, HOUT
EL4583A_10	INTERSIL	获取价格	Sync Separator, 50% Slice, S-H, Filter

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