Low Drift, Low Leakage, Fully Integrated Programmable Gain TIA
Optical communications TIAs often must operate over wide input dynamic ranges and changing temperatures. Discrete switched gain TIA solutions can adapt to such wide input ranges, but will have poor DC precision over temperature and require lots of board area. To address these concerns, ADI is introducing the compact, extraordinarily low drift, low leakage programmable gain transimpedance amplifier (ADA4352-2) with integrated switches and resistors. In this demo, we will use a heat gun to heat up a circuit with ADA4352-2 and an equivalent discrete solution, and dynamically compare the drift and leakage. The output error of both solutions, represented as equivalent RTI input error current (pA), will be plotted on a GUI.
Low Drift, Low Leakage, Fully Integrated Programmable Gain TIA
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