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參數(shù)資料
| 型號(hào)： | EL4581CN |
| 廠商： | ELANTEC |
| 元件分類： | 信號(hào)分離 |
| 英文描述： | Sync Separator, 50% Slice, S-H, Filter |
| 中文描述： | SYNC SEPARATOR IC, PDIP8 |
| 封裝： | PLASTIC, DIP-8 |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大小： | 108K |
| 代理商： | EL4581CN |
1
FN7172
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2003. All Rights Reserved. Elantec is a registered trademark of Elantec Semiconductor, Inc.
All other trademarks mentioned are the property of their respective owners. Manufactured under U.S. Patent 5,528,303. Manufactured under License, U.S. Patents 5,486,869; 5,754,250.
EL4581
Sync Separator, 50% Slice, S-H, Filter
The EL4581 extracts timing informa-
tion from standard negative going
video sync found in NTSC, PAL, and
SECAM broadcast systems. It can also be used in non stan-
dard 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.
Outputs are composite sync, vertical sync, burst/back porch
output, and odd/even output. The later operates only in inter-
laced scan formats.
The EL4581 provides a reliable method of determining cor-
rect 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 cir-
cuits that track sync tip and back porch levels. This also
provides a degree of hum and noise rejection to the input sig-
nal, and compensates for varying input levels of 0.5
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.
The EL4581 video sync separator is manufactured using
Elantec’s high performance analog CMOS process.
Pinout
Features
NTSC, PAL and SECAM sync separation
Single supply, +5V
Precision 50% slicing, internal caps
Built-in color burst filter
Decodes non-standard verticals
Pin compatible with LM1881
Low power
Typically 1.5mA supply current
Resistor programmable scan rate
Few external components
Available in 8-pin PDIP and SO packages
Applications
Video special effects
Video test equipment
Video distribution
Displays
Imaging
Video data capture
Video triggers
Demo Board
A dedicated demo board is not available. However, this
device can be placed on the EL4584/5 Demo Board.
EL4581
(8-Pin SO, DIP)
TOP VIEW
1
2
3
4
8
7
6
5
COMPOSITE
SYNC OUT
COMPOSITE
VIDEO IN
VERTICAL
SYNC OUT
GND
VDD 5V
ODD/EVEN OUTPUT
RSET
BURST/BACK
PORCH OUTPUT
Ordering Information
PART
NUMBER
TEMP.
RANGE
PACKAGE
PKG. NO.
EL4581CN
-40°C to +85°C
8-Pin PDIP
MDP0031
EL4581CS
-40°C to +85°C
8-Pin SO
MDP0027
Data Sheet
August 16, 2002
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EL4581CS | Sync Separator, 50% Slice, S-H, Filter |
| EL4583AISZ-T13 | Sync Separator, 50% Slice, S-H, Filter, HOUT |
| EL4583A | Sync Separator, 50% Slice, S-H, Filter, HOUT |
| EL4583AIS | Sync Separator, 50% Slice, S-H, Filter, HOUT |
| EL4583AISZ | Sync Separator, 50% Slice, S-H, Filter, HOUT |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| EL4581CS | 功能描述:IC VIDEO SYNC SEPARATOR 8-SOIC RoHS:否 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
| EL4581CS-T13 | 功能描述:IC SYNC SEPARATOR S-H 50% 8-SOIC RoHS:否 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
| EL4581CS-T7 | 功能描述:IC VIDEO SYNC SEPARATOR 8-SOIC RoHS:否 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
| EL4581CSZ | 功能描述:視頻 IC EL4581CSZ SYNC SEP 50% SLICER W/FILTER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| EL4581CSZ-T13 | 功能描述:視頻 IC EL4581CSZ SYNC SEP 50% SLICER W/FILTER RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
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