Datasheet > EL4581_10

EL4581_10

更新时间： 2024-09-18 10:07:03

品牌	Logo	应用领域
英特矽尔 - INTERSIL		/
页数	文件大小	规格书
10页	356K
描述
Sync Separator, 50% Slice, S-H, Filter

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EL4581_10 数据手册

EL4581

Data Sheet

November 12, 2010

FN7172.2

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

Features

The EL4581 extracts timing

information from standard negative

going video sync found in NTSC, PAL

• NTSC, PAL and SECAM sync separation

• Single supply, +5V

• Precision 50% slicing, internal caps

• Built-in color burst filter

and SECAM broadcast systems. It can also be used in non

standard formats and with computer graphics systems at

higher scan rates, by adjusting a single external resistor.

When the input does not have correct serration pulses in the

vertical interval, a default vertical output is produced.

• Decodes non-standard verticals

• Pin compatible with LM1881

• Low power

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

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

interlaced scan formats.

• Typically 1.5mA supply current

• Resistor programmable scan rate

• Few external components

The EL4581 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 determined 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

• Available in 8 Ld PDIP and SOIC packages

• Pb-free available (RoHS compliant)

Applications

• Video special effects

• Video test equipment

• Video distribution

• Displays

signal, and compensates for varying input levels of 0.5V

P-P

to 2.0V

P-P

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.

This device may be used to replace the industry standard

LM1881, offering improved performance and reduced power

consumption.

• Imaging

• Video data capture

• Video triggers

The EL4581 video sync separator is manufactured using

Elantec’s high performance analog CMOS process.

Ordering Information

Pinout

PART

PKG.

EL4581

(8 LD SOIC, PDIP)

TOP VIEW

NUMBER

MARKING TEMP. RANGE PACKAGE

DWG. #

EL4581CN

-40°C to +85°C 8 Ld PDIP

-40°C to +85°C 8 Ld SOIC

MDP0031

MDP0027

EL4581CS* 4581CS

COMPOSITE

SYNC OUT

VDD 5V

EL4581CSZ* 4581CSZ

(Note)

-40°C to +85°C 8 Ld SOIC

(Pb-free)

COMPOSITE

VIDEO IN

VERTICAL

SYNC OUT

ODD/EVEN OUTPUT

RSET

*Add “-T7” or “-T13” suffix for tape and reel. Please refer to TB347 for

details on reel specifications.

BURST/BACK

PORCH OUTPUT

GND

NOTE: These Intersil Pb-free plastic packaged products employ special

Pb-free material sets; molding compounds/die attach materials and 100%

matte tin plate PLUS ANNEAL - e3 termination finish, which is RoHS

compliant and compatible with both SnPb and Pb-free soldering

operations. Intersil Pb-free products are MSL classified at Pb-free peak

reflow temperatures that meet or exceed the Pb-free requirements of

IPC/JEDEC J STD-020.

Demo Board

A dedicated demo board is not available. However, this

device can be placed on the EL4584/5 Demo Board.

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 |Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.

All other trademarks mentioned are the property of their respective owners. Manufactured under U.S. Patent 5,528,303.

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与EL4581_10相关器件

型号	品牌	获取价格	描述	数据表
EL4581C	ELANTEC	获取价格	Sync Separator, 50% Slice, S-H, Filter
EL4581CN	ELANTEC	获取价格	Sync Separator, 50% Slice, S-H, Filter
EL4581CN	INTERSIL	获取价格	Sync Separator, 50% Slice, S-H, Filter
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

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