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Add LTC6228 and LTC6229 opamps

Kacper Kubkowski requested to merge github/fork/kacper-ka/ltc6228-ltc6229 into master

This merge adds LTC6228 and LTC6229 operational amplifiers manufactured by Linear Technology.

LTC6228xDC requires a new footprint: DFN-6-1EP_2x2mm_P0.5mm_EP0.6x1.37mm.

Related PRs

https://github.com/KiCad/kicad-footprints/pull/2273 https://github.com/pointhi/kicad-footprint-generator/pull/552

Datasheet

https://www.analog.com/media/en/technical-documentation/data-sheets/LTC6228-6229.pdf

Screenshots

LTC6228xDC

Screenshot from 2020-05-08 10-17-24

LTC6228xS6

Screenshot from 2020-05-08 10-19-12

LTC6228xS8

Screenshot from 2020-05-08 10-20-11

LTC6229xDD

LTC6229xDD-A LTC6229xDD-B LTC6229xDD-C

LTC6229xMS8E

LTC6229xMS8E-A LTC6229xMS8E-B LTC6229xMS8E-C

KLC violations

LTC6228xDC: S3.2

V+, V- and SHDN pin name text size set to 25 mils to fit inside the symbol.

LTC6228xS6: S3.2

V+, V- and SHDN pin name text size set to 25 mils to fit inside the symbol.

LTC6228xS8: S3.2

V+, V- and SHDN pin name text size set to 25 mils to fit inside the symbol.

LTC6229xDD: S3.2

SHDN pin name text size set to 40 mils to fit inside the symbol.

All contributions to the kicad library must follow the KiCad library convention

Thanks for creating a pull request to contribute to the KiCad libraries! To speed up integration of your PR, please check the following items:

  • Provide a URL to a datasheet for the symbol(s) you are contributing
  • An example screenshot image is very helpful
  • Ensure that the associated footprints match the official footprint library
    • A new fitting footprint must be submitted if the library does not yet contain one.
  • If there are matching footprint PRs, provide link(s) as appropriate
  • Check the output of the Travis automated check scripts - fix any errors as required
  • Give a reason behind any intentional library convention rule violation.

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