OPT101 Analog Light Sensor Module with Monolithic Photodiode
The OPT101 Analog Light Sensor Module integrates a monolithic photodiode and transimpedance amplifier on a single chip, providing a linear analog voltage output proportional to incident light intensity. It operates from 2.7V to 36V, making it compatible with a wide range of microcontroller ADCs, including Arduino, Raspberry Pi, and industrial PLCs for precise ambient light measurement.
Features
- Monolithic OPT101 chip integrates photodiode and transimpedance amplifier for low-noise, high-linearity operation.
- Linear analog voltage output directly proportional to light intensity, simplifying ADC interfacing.
- Wide 2.7V to 36V operating voltage range supports both 3.3V/5V logic and higher industrial supply rails.
- Low 120µA quiescent current enables efficient use in battery-powered and portable sensing systems.
- Photoconductive mode operation provides excellent linearity and minimal dark current for accurate low-light detection.
Out of stock
The OPT101 Analog Light Sensor Module is engineered for precision light intensity measurement by combining a photodiode and a transimpedance amplifier on a single monolithic IC. This integration eliminates common issues associated with discrete designs, such as parasitic capacitance, leakage current errors, and external noise pickup, resulting in a stable and linear analog voltage signal. The output voltage scales directly with the intensity of incident light, providing a straightforward interface for analog-to-digital conversion in embedded systems.
Operating in photoconductive mode, the sensor offers superior linearity across a broad illumination range and maintains very low dark current, ensuring accurate measurements even in dim conditions. Its wide supply voltage compatibility from 2.7V to 36V allows for flexible integration into 3.3V or 5V microcontroller platforms like Arduino and ESP32, as well as higher-voltage industrial control and data acquisition systems. The module’s compact form factor and tool-free installation facilitate rapid prototyping and deployment in space-constrained applications.
Additional Information
| Weight | 0.003 kg |
|---|---|
| Dimensions | 2.5 × 1.7 × 1.3 cm |
