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LM1881 Datasheet(PDF) 1 Page - Texas Instruments |
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LM1881 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 18 page LM1881 www.ti.com SNLS384F – FEBRUARY 1995 – REVISED MARCH 2013 LM1881 Video Sync Separator Check for Samples: LM1881 1 FEATURES DESCRIPTION The LM1881 Video sync separator extracts timing 2 • AC Coupled Composite Input Signal information including composite and vertical sync, • >10 k Ω Input Resistance burst/back porch timing, and odd/even field • <10 mA Power Supply Drain Current information from standard negative going sync NTSC, PAL (1) and SECAM video signals with amplitude from • Composite Sync and Vertical Outputs 0.5V to 2V p-p. The integrated circuit is also capable • Odd/Even Field Output of providing sync separation for non-standard, faster • Burst Gate/Back Porch Output horizontal rate video signals. The vertical output is produced on the rising edge of the first serration in • Horizontal Scan Rates to 150 kHz the vertical sync period. A default vertical output is • Edge Triggered Vertical Output produced after a time delay if the rising edge • Default Triggered Vertical Output for Non- mentioned above does not occur within the externally standard Video Signal (Video Games-Home set delay period, such as might be the case for a Computers) non-standard video signal. (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. 1 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. 2 All trademarks are the property of their respective owners. PRODUCTION DATA information is current as of publication date. Copyright © 1995–2013, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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