Do Transimpedance Instrumentation Amplifiers Exist?

Discussion in 'General Electronics Chat' started by dannybeckett, Jul 19, 2012.

  1. dannybeckett

    Thread Starter Senior Member

    Dec 9, 2009
    Hi guys, I'm making an I/V converter which needs to detect very small currents (pA) from a very high impedance source (MOhms). Any tips on circuit design would be great. I am wondering if transimpedance instrumentation amplifiers exist? Thanks for any help!