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參數(shù)資料
| 型號(hào)： | EL4581CN |
| 英文描述： | Sync Separator, 50% Slice, S-H, Filter |
| 中文描述： | 同步分離器，50％的切片，上海，過(guò)濾器 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 209K |
| 代理商： | EL4581CN |
EL4581C
January
1996
Rev
B
EL4581C
Sync Separator 50% Slice S-H Filter
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
Features
NTSC PAL and SECAM sync
separation
Single supply a5V
Precision 50% slicing internal
caps
Built-in color burst filter
Decodes non-standard verticals
Pin compatible with LM1881
Low power
Typically 15 mA supply current
Resistor programmable scan rate
Few external components
Available in 8-pin DIP and SO-8
pkg
Applications
Video special effects
Video test equipment
Video distribution
Displays
Imaging
Video data capture
Video triggers
Ordering Information
Part No
Temp Range
Package Outline
EL4581CN b40 Cto a85 C 8-Pin DIP MDP0031
EL4581CS b40 Cto a85 C 8-Lead SO MDP0027
Demo Board
A dedicated demo board is not
available However this device can
be placed on the EL45845 Demo
Board
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
Outputs are composite sync vertical sync burstback porch
output and oddeven 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 05 p-p to 20 Vp-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 EL4581C video sync separator is manufactured using
Elantec’s high performance analog CMOS process
Connection Diagram
EL4581C SO P-DIP Packages
4581 – 1
Top View
Manufactured under US Patent No 5528303
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| EL4581CS | Sync Separator, 50% Slice, S-H, Filter |
| EL4581C | Sync Separator(同步分離器) |
| EL4583CS-T7 | Sync Separator, 50% Slice, S-H, Filter, HOUT |
| EL4583CS-T13 | Sync Separator, 50% Slice, S-H, Filter, HOUT |
| EL4583 | 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(lèi)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(lèi)型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類(lèi)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(chēng):SP000365064 |
| EL4581CS-T13 | 功能描述:IC SYNC SEPARATOR S-H 50% 8-SOIC RoHS:否 類(lèi)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(lèi)型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類(lèi)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(chēng):SP000365064 |
| EL4581CS-T7 | 功能描述:IC VIDEO SYNC SEPARATOR 8-SOIC RoHS:否 類(lèi)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(lèi)型:調(diào)諧器 應(yīng)用:移動(dòng)電話，手機(jī)，視頻顯示器 安裝類(lèi)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(chēng):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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