LOG101/104 precision logarithmic and logarithmic ratio amplifier

Published:2012/10/15 22:46:00 Author:Ecco | Keyword: precision logarithmic, logarithmic ratio, amplifier | From:SeekIC

In logarithmic ratio computing applications, a signal current can be from the photodiode, and another reference current is derived from a series resistor of external precision reference. The VOUT terminal's output signal is tuned with the input current decimal 1V, and it allows seven decimal input current dynamic range. LOG101/104 has a low DC offset voltage and low temperature drift characteristics, and it can be used for the measurement of low-level signal in a wide ambient temperature.



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