SINGLE_SUPPLY_PHOTODIODE_AMPLIFIER

Published:2009/6/22 22:44:00 Author:May | From:SeekIC

This circuit provides a reverse-bias operating point and output voltage offset and uses a single-polarity power supply. The floating reference voltage from TLE2425 serves to bias the diode in a reverse-polarity mode. It also provides a clamping level at the output. Consequently, linear response to illumination is maintained for a 5-V range from dark current to full sunlight conditions.



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