Overview

The ISL59885 video sync separator extracts sync timing information from both standard and non-standard video inputs in the presence of Macrovision pulses. The ISL59885 provides horizontal, vertical, and composite sync outputs as well as SD/HDTV detection. An auto input frequency detect feature automatically adapts to a wide range of video standards (it does not need a different RSET resistor for different frequencies). The vertical sync pulse is output on the rising edge of the first vertical serration following the vertical pre-equalizing string. For non-standard vertical inputs, a default vertical pulse is output when the vertical signal stays low for longer than the vertical sync default delay time. The horizontal output gives horizontal timing with pre/post equalizing pulses. Fixed 70mV sync tip slicing provides sync edge detection when the video input level is between 0. 5VP-P and 2VP-P. The ISL59885 is available in an 8 Ld SOIC package and is specified for operation over the full -40°C to +85°C temperature range.

ISL59885 Functional Diagram
ISL59885 Functional Diagram
  • NTSC, PAL, SECAM, HDTV, Non-standard Video Sync Separation
  • Fixed 70mV Slicing of Video Input Levels from 0.5VP-P to 2VP-P
  • Single 3V to 5V Supply
  • Composite Sync Output
  • Vertical Output
  • Horizontal Output
  • HDTV Detection
  • Macrovision Compatible
  • Available in 8 Ld SOIC Package
  • Pb-free (RoHS Compliant)

Applications

  • High-definition Video Equipment

Documentation

Design & Development

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

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Product Options

    Processing table
    Pkg. Type
    Carrier Type
    Buy / Sample
    Part Number
    ISL59885ISZ
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    ISL59885ISZ-T13
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    ISL59885ISZ-T7
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    ISL59885ISZ-T7A
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