LMH1981 MultiFormatVideo Sync Separator （LMH1981 MultiFormatVideo同步分离器）.pdf

LMH1981 SNLS214H – APRIL 2006– REVISED MARCH 2013 LMH1981 Multi-Format Video Sync Separator Check for Samples: LMH1981 1 FEATURES DESCRIPTION 2 • Standard Analog Video Sync Separation for The LMH1981 is a high performance multi-format NTSC, PAL, 480I/P, 576I/P, 720P, and sync separator ideal for use in a wide range of video applications, such as broadcast and professional 1080I/P/PsF from Composite Video (CVBS), video equipment and HDTV/DTV systems. S-Video (Y/C), and Component Video (YP P /GBR) Interfaces The input accepts standard analog SD/ED/HD video B R • Bi-Level Tri-Level Sync Compatible signals with either bi-level or tri-level sync, and the outputs provide all of the critical timing signals in • Composite, Horizontal, and Vertical Sync CMOS logic, which swing from rail-to-rail (VCC and Outputs GND) including Composite, Horizontal, and Vertical • Burst/Back Porch Timing, Odd/Even Field, and Syncs, Burst/Back Po