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EL4583CS Datasheet(PDF) 1 Page - Intersil Corporation |
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EL4583CS Datasheet(HTML) 1 Page - Intersil Corporation |
1 / 10 page 1 ® FN7173.2 EL4583 Sync Separator, 50% Slice, S-H, Filter, HOUT The EL4583 extracts timing from video sync in NTSC, PAL, and SECAM systems, and non standard formats, or from computer graphics operating at higher scan rates. Timing adjustment is via an external resistor. Input without valid vertical interval (no serration pulses) produces a default vertical output. Outputs are: composite sync, vertical sync, filter, burst/back porch, horizontal, no signal detect, level, and odd/even output (in interlaced scan formats only). The EL4583 sync slice level is set to the mid-point between sync tip and the blanking level. This 50% point is determined by two internal sample and hold circuits that track sync tip and back porch levels. It provides hum and noise rejection and compensates for input levels of 0.5V to 2.0VP-P. A built in filter attenuates the chroma signal to prevent color burst from disturbing the 50% sync slice. Cut off frequency is set by a resistor to ground from the Filter Cut Off pin. Additionally, the filter can be by-passed and video signal fed directly to the Video Input. The level output pin provides a signal with twice the sync amplitude which may be used to control an external AGC function. A TTL/CMOS compatible No Signal Detect Output flags a loss or reduction in input signal level. A resistor sets the Set Detect Level. The EL4583 is manufactured using Intersil’s high performance analog CMOS process. Features • NTSC, PAL, and SECAM sync separation • Single supply, +5V operation • Precision 50% slicing • Built-in programmable color burst filter • Decodes non-standard vertical • Horizontal sync output • Sync. pulse amplitude output • Same socket can be used for 8 Ld EL4581 • Low-power CMOS • Detects loss of signal • Resistor programmable scan rate • Few external components • Available in 16 Ld PDIP and 16 Ld SO (0.150”) packages • Pb-free plus anneal available (RoHS compliant) Applications • Video special effects • Video test equipment • Video distribution •Multimedia • Displays •Imaging • Video data capture • Video triggers Pinout Ordering Information PART NUMBER PART MARKING TAPE & REEL PACKAGE PKG. DWG. # EL4583CN EL4583CN - 16 Ld PDIP MDP0031 EL4583CS EL4583CS - 16 Ld SO (0.150”) MDP0027 EL4583CS-T7 EL4583CS 7” 16 Ld SO (0.150”) MDP0027 EL4583CS-T13 EL4583CS 13” 16 Ld SO (0.150”) MDP0027 EL4583CSZ (Note) EL4583CSZ - 16 Ld SO (0.150”) (Pb-free) MDP0027 EL4583CSZ-T7 (Note) EL4583CSZ 7” 16 Ld SO (0.150”) (Pb-free) MDP0027 EL4583CSZ-T13 (Note) EL4583CSZ 13” 16 Ld SO (0.150”) (Pb-free) MDP0027 NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020. 1 2 3 4 16 15 14 13 5 6 7 12 11 10 8 9 FILTER CUT OFF SET DETECT LEVEL COMPOSITE SYNC OUT FILTER INPUT VERTICAL SYNC OUT DIGITAL GND FILTER OUTPUT COMPOSITE VIDEO INPUT ANALOG GND HORIZONTAL SYNC OUT VDD ODD/EVEN OUTPUT RSET* BURST/BACK PORCH OUTPUT NO SIGNAL DETECT OUTPUT LEVEL OUTPUT EL4583 (16 LD SO, PDIP) TOP VIEW *NOTE: RSET must be a 1% register Data Sheet May 5, 2006 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright Intersil Americas Inc. 2002, 2003, 2005, 2006. All Rights Reserved All other trademarks mentioned are the property of their respective owners. Manufactured under U.S. Patent 5,528,303. Manufactured under License, U.S. Patents 5,486,869; 5,754,250. |
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