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LM1886 - TV Video Matrix D to A

Datasheet Summary

Description

The LM1886 is a TV video matrix D to A converter which encodes luminance and color difference signals from 3-bit red green and blue inputs The luminance output is encoded from the NTSC equation Y e 0 3R a 0 59G a 0 11B and the R-Y and B-Y outputs are weighted to prevent overmodulation A built-in R-Y

Features

  • Y Complete digital to RF coding with LM1889 Y 1-pin PAL NTSC mode select Y True NTSC matrix Y 8 levels of grey scale Y Allows wide range of colorimetry Y Low power TTL inputs Y Wideband luminance output Y Weighted R-Y B-Y outputs Connection Diagram Top View FIGURE 1 Order Number LM1886N See NS Package Number N20A TL H 7916.
  • 1 C1995 National Semiconductor Corporation TL H 7916 RRD-B30M115 Printed in U S A Absolute Maximum Ratings If Military Aerospace specified devices are require.

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Datasheet Details

Part number LM1886
Manufacturer National Semiconductor
File Size 136.38 KB
Description TV Video Matrix D to A
Datasheet download datasheet LM1886 Datasheet
Additional preview pages of the LM1886 datasheet.

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LM1886 TV Video Matrix D to A April 1987 LM1886 TV Video Matrix D to A General Description The LM1886 is a TV video matrix D to A converter which encodes luminance and color difference signals from 3-bit red green and blue inputs The luminance output is encoded from the NTSC equation Y e 0 3R a 0 59G a 0 11B and the R-Y and B-Y outputs are weighted to prevent overmodulation A built-in R-Y and burst gate polarity switch allow European PAL compatible signals to be encoded All output levels including an RF O Carrier Bias Voltage have been referenced to 5V for direct connection to the LM1889 TV video modulator When used in combination with the LM1889 and a suitable sync generator 3-bit R G and B information may be encoded to both composite video and RF channel carrier Features Y Complete d
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