On Jan 24, 2008 7:35 AM, Xiaofan Chen wrote: > On Jan 23, 2008 11:49 PM, alan smith wrote: > > The fastest I am reading is maybe once a minute. The client wants... > > desires...24 bit accuracy so have to stick with an external ADC. > > I see. But you won't get 24bit accuracy anyway. Not even 24bit resolution > according to the datasheet (maximum effective resolution is 23bits in > the slowest update rate). > And if you use the internal gains, the effective resolution is even lower. Xiaofan -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist