LM1881N

更新时间： 2024-11-22 22:51:55

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
12页	302K
描述
LM1881 Video Sync Separator

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数据手册

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LM1881N 数据手册

June 2003

LM1881, LM1881-X

Video Sync Separator

General Description

The LM1881 Video sync separator extracts timing informa-

tion including composite and vertical sync, burst/back porch

timing, and odd/even field information from standard nega-

tive 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.

Features

n AC coupled composite input signal

10 kΩ input resistance

10 mA power supply drain current

n Composite sync and vertical outputs

n Odd/even field output

n Burst gate/back porch output

n Horizontal scan rates to 150 kHz

n Edge triggered vertical output

n Default triggered vertical output for non-standard video

signal (video games-home computers)

n -40˚C to +85˚C operation (LM1881-X)

Connection Diagram

LM1881N

00915001

Order Number LM1881M or LM1881N (0˚C to +70˚C)

Order Number LM1881M-X or LM1881N-X (-40˚C to +85˚C)

See NS Package Number M08A or N08E

*PAL in this datasheet refers to European broadcast TV standard “Phase Alternating Line”, and not to Programmable Array Logic.

DS009150

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与LM1881N相关器件

型号	品牌	获取价格	描述	数据表
LM1881N/NOPB	TI	获取价格	Video Sync Separator
LM1881N-X	NSC	获取价格	LM1881 Video Sync Separator
LM1881N-X/NOPB	TI	获取价格	SYNC SEPARATOR IC, PDIP8, PLASTIC, DIP-8
LM1881-X	NSC	获取价格	LM1881 Video Sync Separator
LM1882	NSC	获取价格	Programmable Video Sync Generator
LM1882CM	NSC	获取价格	Programmable Video Sync Generator
LM1882CMX	TI	获取价格	SPECIALTY CONSUMER CIRCUIT, PDSO20, SOIC-20
LM1882CN	NSC	获取价格	Programmable Video Sync Generator
LM1882E/883	TI	获取价格	SPECIALTY CONSUMER CIRCUIT, CQCC20, CERAMIC, LCC-20
LM1882EV	TI	获取价格	SPECIALTY CONSUMER CIRCUIT, PQCC20, PLASTIC, LCC-20