Part # LM1881-X datasheet

Part Manufacturer: National Semiconductor

National Semiconductor

Part Description: LM1881 Video Sync Separator


Part Details:

LM1881 May 2006 V LM1881 ideo Video Sync Separator Sync General Description Features The LM1881 Video sync separator extracts timing informa- n AC coupled composite input signal tion including composite and vertical sync, burst/back porch n >10 k input resistance Separator timing, and odd/even field information from standard nega- n <10 mA power supply drain current tive going sync NTSC, PAL* and SECAM video signals with n Composite sync and vertical outputs amplitude from 0.5V to 2V p-p. The integrated circuit is also n Odd/even field output capable of providing sync separation for non-standard, n Burst gate/back porch output faster horizontal rate video signals. The vertical output isproduced on the rising edge of the first serration in the n Horizontal scan rates to 150 kHz vertical sync period. A default vertical output is produced n Edge triggered vertical output after a time delay if the rising edge mentioned above does n Default triggered vertical output for non-standard video not occur within the externally set delay period, such as signal (video games-home computers) might be the case for a non-standard video signal. Connection Diagram LM1881N 00915001 Order Number LM1881M or LM1881N (0°C to +70°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. © 2006 National Semiconductor Corporation DS009150 www.national.com Absolute Maximum Ratings (Note 1) Storage Temperature Range -65°C to +150°C If Military/Aerospace specified devices are required, ESD Susceptibility (Note 3) 2 kV LM1881 please contact the National Semiconductor Sales Office/ ESD Susceptibility (Note 4) 200 V Distributors for availability and specifications. Soldering Information Supply Voltage 13.2V


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LM1881-X.pdf Datasheet