LOGARITHMIC_AMPLIFIER

Published:2009/6/23 1:59:00 Author:May | From:SeekIC

Unusual frequency compensation gives this logarithmic converter a 100 μs time constant from 1 mA down to 100 μA, increasing from 200 μs to 200 ms from 10 nA to 10 pA. Optional bias current compensation can give 10 pA resolution from - 55 ℃ to 100 ℃, Scale factor is 1 V/decade and temperature compensated.



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