25 is a lot. I don't know of an AVR that does this by itself. Sounds like you are in for external ADC chips. On Thu, Oct 15, 2015 at 10:06 AM, embedded systems wrote: > Hi all, > I need a microcontroller with a lot of A2D and USB interface. I want to > read 25 RTDs with a refresh rate of about one/100mS. Maybe PIC18LF45K50? > Any better choice? Maybe Atmel? > > How would you approach this? > > thx, > Vasile > -- > http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 *It should just work.* --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .