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Lpc2000

Index last updated: 2026-04-28 23:31 UTC

Message

Re: Driving RS-232 at ONE uA.

2005-06-08 by charlesgrenz

Hi Owen,

  You may want to look at Sipex or Intersil instead of the maxim parts.

Charles

--- In lpc2000@yahoogroups.com, Owen Mooney <ojm@s...> wrote:
> Actually I can't measure it, so it is below 1 uA, but only when
there is 
> no data.
> 
> 1 transistor, 1 fet, 2 diodes, and some passives
> 
> At this state the Fet and transistor are off, and the negative tx
signal 
> is "stolen" from the incomming rx negative signal.
> 
> Its only good up to 57600 baud, so I'm thinking of changing it to a 
> maxim chip.
> 
> Owen Mooney

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