Datasheet > LM1881

LM1881

更新时间： 2024-03-03 10:10:51

品牌	Logo	应用领域
华冠 - HGSEMI		/
页数	文件大小	规格书
17页	1826K
描述
视频同步分离器

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数据手册

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LM1881 数据手册

LM1881

LM1881 Video Sync Separator

Features



AC coupled composite input signal

>10 kΩ input resistance

DIP-8

SOP-8

<10 mA power supply drain current

Composite sync and vertical outputs

Odd/even field output

Burst gate/back porch output

Horizontal scan rates to 150 kHz

Edge triggered vertical output

Default triggered vertical output for non-standard video signal (video

games-home computers)

MSOP-8

Ordering Information

DEVICE

LM1881N

Package Type

DIP-8

MARKING

LM1881

Packing

TUBE

Packing Qty

2000pcs/box

2500pcs/reel

3000pcs/reel

LM1881M/TR

LM1881MM/TR

SOP-8

LM1881

REEL

MSOP-8

LM1881

REEL

General Description

The LM1881 Video sync separator extracts timing information including composite and vertical sync,

burst/back porch timing, and odd/even field information from standard negative going sync NTSC, PAL*

and SECAM video signals with amplitude from 0.5V to 2V p-p. The integrated circuit is also capable of

providing sync separation for non-standard, faster horizontal rate video signals. The vertical output is

produced on the rising edge of the first serration in the vertical sync period. A default vertical output is

produced after a time delay if the rising edge mentioned above does not occur within the externally set

delay period, such as might be the case for a non-standard video signal.

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