Just stumbled across this. Its an applications guide for engineers, to help in deciding if a Hall is right for an application, and if yes...how best to implement it.
http://www.allegromicro.com/en/Desi...ns/Hall-Effect-IC-Applications-Guide.aspx#top
http://www.allegromicro.com/en/Desi...ns/Hall-Effect-IC-Applications-Guide.aspx#top
