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Optimizing precision photodiode sensor circuit design

January 26, 2014 | Luis Orozco, Analog Devices | 222906124
Optimizing precision photodiode sensor circuit design

Photodiodes are one of the most popular sensor types for many light-based measurements. Applications such as absorption and emission spectroscopy, color measurement, turbidity, gas detection, etc., all rely on photodiodes for precision light measurement.

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About the author:

Luis Orozco [] is a system applications engineer in ADIs industrial and instrumentation segment. Before joining ADI in 2011, he designed precision measurement equipment for 11 years. He currently focuses on test and measurement, chemical analysis, and environmental monitoring applications.


Dual Chanel Colorimeter with Programmable Gain Transimpedance Amplifiers and Synchronous Detectors.

Programmable Gain Transimpedance Amplifiers Maximize Dynamic Range in Spectroscopy Systems.

ADA4817 Datasheet.

Johnson, Mark, Photodetection and Measurement. New York: McGraw-Hill, 2003.

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