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PCN- Process Change Notice

There is a PCN against AD620 and AD622 Instrument Amp. This is a major die revision change to the part. ADI claims there is no change to the spec. How do you confirm this claim if they do not publish the qual data for the new Die revision part?

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  • The Reliability Report can be found on the product web page as described in the PCN/PDN Help Documentation (pdf)
    Here is the link for the AD620 Rel Report as of Jan 13 2011
    10_0209 AD620 and AD622 Die Revision January 13, 2011
    PCN Policy Statement

    Analog Devices' Product/Process Change Notice (PCN) policy is in compliance with JESD46C. We notify our customers of major changes that may affect device form, fit, function, quality, or reliability. Analog Devices reserves the right to make changes on products without notice when such changes are considered minor and do not interfere with the general purpose (form, fit, function, quality, or reliability) for which such items are manufactured. If a change affects published specifications, the specifications will be updated the next time the datasheet is published. PCN's are published 90 days prior to shipping changed material. Any requests for samples of changed material or additional information must be made within 30 days of the notification.

    PCN’s will contain, at a minimum, the following information:

    • PCN number
    • Publication date
    • Effectivity date, which is the earliest possible date a customer could expect to receive changed material.
    • Description of change
    • Reason for change
    • Anticipated impact of the change (positive or negative) on fit, form, function, quality, or reliability
    • Analog Devices model numbers affected by the change
    • Supporting information
    • Contact information


    Questions or comments on the PCN policy or a particular PCN can be directed to one of the four regional contacts below or your local Analog Devices sales contact.


    PCN/PDN Help Documentation (pdf)



    PDN Policy Statement


    Analog Devices' Product Discontinuance Notice (PDN) policy is in compliance with JESD48A. Our PDN's provide a 12 month Last Time Buy (LTB) period and 24 month Last Time Ship (LTS) period from date of notification. PDN's will contain, at a minimum, the following information:
    • PDN number
    • Publication date
    • Last Time Buy date
    • Last Time Ship date
    • Reason for Discontinuance
    • Analog Devices models affected by the notice
    • Recommended Replacement Parts
    • Supporting information
    • Contact information


    Questions or comments on the PDN policy or a particular PDN can be directed to one of the four regional contacts below or your local Analog Devices sales contact.


    PCN/PDN Help Documentation (pdf)

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    EZ Admin