Re: ADC/DAC

On Thu, 02 Feb 2006 01:07:18 +0000, the renowned Dirk Bruere at Neopax
<dirk.bruere@xxxxxxxxx> wrote:

>Spehro Pefhany wrote:
>
>> On Thu, 02 Feb 2006 00:18:22 +0000, the renowned Dirk Bruere at Neopax
>> <dirk.bruere@xxxxxxxxx> wrote:
>> 
>> 
>>>Dan Hollands wrote:
>>>
>>>
>>>>"Dirk Bruere at Neopax" <dirk.bruere@xxxxxxxxx> wrote in message 
>>>>news:44cqhsF1it9dU1@xxxxxxxxxxxxxxxxx
>>>>
>>>>
>>>>>Any recommendations for a cheap combo chip, 12 bits min, for interfacing 
>>>>>to a uP? Ideally I need single 5V rail supply and conversion rate of 
>>>>>around 100K/s for the ADC
>>>>>
>>>>>-- 
>>>>>Dirk
>>>>>
>>>>>The Consensus:-
>>>>>The political party for the new millenium
>>>>>http://www.theconsensus.org
>>>>
>>>>
>>>>
>>>>Why not us a micro with built in ADC such as one of the Analog Devices 
>>>>microcontrollers
>>>
>>>Largely because I need a CANBUS i/f, and that means PIC unless someone can point 
>>>me to some extremely cheap ucontrollers with CANBUS and 12 ADC/DAC
>> 
>> 
>> If not, you could drop a MCP2515 SPI<->CAN onto whichever micro you
>> want. 
>
>One reason for using the PIC is the wealth of free code available, probably 
>unmatched by any other ucontroller.

Certainly in quality. ;-) 

But even if the drivers are a major factor, you may *still* find it
cheaper to use two micros and relegate the 805x to just buffering the
information to and from the ADC/DAC. 


Best regards, 
Spehro Pefhany
-- 
"it's the network..."                          "The Journey is the reward"
speff@xxxxxxxxxxxx             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com
.

Relevant Pages

  • Re: OT: Why are HDMI cables so expensive
    ... Spehro Pefhany wrote: ... Most of the better ones now offer 1080 up-conversion but it seems they are usually missing the HDMI cable. ... with the cheap ones. ...
    (sci.electronics.design)
  • Re: 3rd party wireless adaptor
    ... Is there a cheap one available anywhere for the 360? ... none of them work except the overpriced official one from Micro ... $oft. ... you can't even play Blu-Ray movies or even HD DVD. ...
    (alt.games.video.xbox)
  • Re: Any comments? (Answers to Pete)
    ... Neither Fujitsu or Micro Focus's products are cheap. ... lovingly marshalled into CPU words for our loyal customers. ...
    (comp.lang.cobol)
  • Re: "Chrystal load capacitance" for TB055 Microchips example?
    ... "Spehro Pefhany" wrote in message ... How's ARM architecture? ... >>that even some of cheap ones use PLL clock multipliers resulting in quite ...
    (sci.electronics.design)
  • Re: OT: Speaking of repulsive food...
    ... >> some nice butternut squash and roast it. ... It's cheap. ... >> Best regards, ... >> Spehro Pefhany ...
    (sci.electronics.design)