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Video Sync Separator, Composite, Horizontal, Vertical, NTSC, PAL, SECAM, Filter, 4.5V to 5V, SOIC-16

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EL4583CSZ   Datasheet
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Product Overview

The EL4583CSZ is a Sync Separator that 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 colour burst from disturbing the 50% sync slice. Cut off frequency is set by a resistor to ground from the Filter Cut Off pin.
  • Precision 50% slicing
  • Built-in programmable colour 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


Signal Processing, Imaging, Video & Vision, Multimedia


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Composite, Horizontal, Vertical








MSL 3 - 168 hours

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Technical Documents (3)

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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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Back order today stock arriving week commencing 3/5/23

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