Connect with us

LT1787 current monitor when low voltage?

Discussion in 'General Electronics Discussion' started by eem2am, Jul 17, 2013.

Scroll to continue with content
  1. eem2am


    Aug 3, 2009
  2. daGenie


    Jan 23, 2012
    The buffer there helps to isolate the output of the lt1787 and the input of the ltc1404. Due to the high impedance of a buffer, the amount of current needed to drive the input is relatively small and therefore can monitor very small changes in its input. If you consider it using Ohm's law, a very high value of R with a very small changes in the value of I would produce a very large change in the value of V. (V = IR).

    Without the buffer, the output of the lt1787 would depend on the input impedance of the next stage that it tries to drive.
Ask a Question
Want to reply to this thread or ask your own question?
You'll need to choose a username for the site, which only take a couple of moments (here). After that, you can post your question and our members will help you out.
Electronics Point Logo
Continue to site
Quote of the day