Alternative IC

I want help to find an alternative IC for

  1. MAD1108
  2. AD637JQ
  3. MC14528BCP/CD4528BE
    pls help

Hello and welcome to the Techforum, I have no parts to offer on the first 2-part numbers the 3rd the closest I have to offer is part 296-14074-5-ND it is in stock. Check the datasheet to verify the part will work in your application.