Switching the system to dsPIC seems reasonable. The other alternative
might be to use a lower resolution higher sampling rate PICmicro. I
will confirm this with my colleagues tomorrow.

One more question:

When the datasheet says 50 ksps does that mean the rate for each
channel or total?

Thanks.

2009/5/3 Olin Lathrop <olin_piclist@embedinc.com>:
> G=F6khan SEVER wrote:
>> We wil sample from 4 analogue channels, one from the particle counter
>> which we should
>> be sampling at 100 Khz, and the rest will come from a 3 axes magnetic
>> field sensor. =A0For the
>> field sensor, we think that 100 Hz max sampling speed will be good
>> enough.
>
> Now why couldn't you say so in the first place!? =A0The first dsPIC 12 bit
> A/Ds could do 100KHz if I remember right, but I think newer ones are fast=
er.
> I just tried to look up PICs with 12 bit A/Ds on the Microchip site, but
> it's a mess right now and I couldn't find the product selector. =A0I soun=
ds
> like a dsPIC will do what you need without a external A/D.
>
>
> ********************************************************************
> Embed Inc, Littleton Massachusetts, http://www.embedinc.com/products
> (978) 742-9014. =A0Gold level PIC consultants since 2000.

-- =

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