/usr/share/gEDA/sym/maxim/adc0820-1.sym is in geda-symbols 1:1.8.2-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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refdes=U?
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footprint=DIP20
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description=8-bit A/D-converter with track/hold function
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numslots=0
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net=Vcc:20
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net=GND:10
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documentation=http://www.national.com/ds.cgi/AD/ADC0820.pdf
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ADC0820
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