LM1881MX

更新时间： 2024-11-23 12:09:39

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德州仪器 - TI		/
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18页	1117K
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Video Sync Separator

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LM1881MX 数据手册

LM1881

www.ti.com

SNLS384F –FEBRUARY 1995–REVISED MARCH 2013

LM1881 Video Sync Separator

Check for Samples: LM1881

FEATURES

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 ⁽¹⁾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.

•

AC Coupled Composite Input Signal

>10 kΩ Input Resistance

<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)

(1) PAL in this datasheet refers to European broadcast TV

standard “Phase Alternating Line”, and not to Programmable

Array Logic.

Connection Diagram

Figure 1. LM1881N

See Package Number D0008A or P0008E

These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam

during storage or handling to prevent electrostatic damage to the MOS gates.

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...18

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LM1881MX 替代型号

型号	品牌	替代类型	描述	数据表
LM1881MX/NOPB	TI	完全替代	Video Sync Separator

与LM1881MX相关器件

型号	品牌	获取价格	描述	数据表
LM1881M-X	NSC	获取价格	LM1881 Video Sync Separator
LM1881MX/NOPB	TI	获取价格	Video Sync Separator
LM1881M-X/NOPB	NSC	获取价格	IC SYNC SEPARATOR IC, PDSO8, PLASTIC, SO-8, Signal Separator IC
LM1881MX-X/NOPB	TI	获取价格	SYNC SEPARATOR IC, PDSO8, PLASTIC, SO-8
LM1881N	TI	获取价格	Video Sync Separator
LM1881N	NSC	获取价格	LM1881 Video Sync Separator
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

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