SKU: SENS-3205
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Texas Instruments OPT3001DNPR USON-6-EP Ambient Light Sensor

₹110.00 (Inclusive of all taxes)
Out of Stock

The Texas Instruments OPT3001DNPR is a high-precision ambient light sensor (ALS) in a USON-6-EP package, designed for 1.6V to 3.6V systems. It provides accurate lux measurements for automatic display brightness control in portable electronics, IoT devices, and industrial systems.

Features

  • High-precision ambient light sensor with human-eye spectral response.
  • Wide operating voltage range from 1.6V to 3.6V for low-power applications.
  • Compact USON-6-EP package (2.1 x 2.1 mm) for space-constrained designs.
  • I2C digital interface for easy integration with microcontrollers.
  • Extended operating temperature range from -40°C to +85°C.

Out of stock

Description

The OPT3001DNPR is a digital ambient light sensor from Texas Instruments that accurately measures visible light intensity. It features a spectral response closely matched to the human eye, with built-in infrared rejection, ensuring readings are relevant for human-centric applications like display management and lighting control.

This sensor communicates via an I2C interface, providing a direct digital lux output, which simplifies system design by eliminating the need for external signal conditioning or analog-to-digital conversion. Its ultra-compact footprint and low power consumption make it ideal for battery-powered portable devices, smart home sensors, and industrial equipment requiring reliable ambient light monitoring.

Key Features

  • Human-Eye Spectral Response: Precisely matches photopic response curve for accurate lux measurement.
  • Wide Dynamic Range: Capable of measuring light levels from dark to direct sunlight.
  • Integrated IR & UV Rejection: Built-in optical filter minimizes interference from non-visible light sources.
  • Low-Power Operation: Optimized for battery-powered IoT and portable electronics.
  • Digital I2C Output: Simplifies interfacing with microcontrollers like Arduino, Raspberry Pi, and ESP32.
  • Robust USON-6-EP Package: Features an exposed thermal pad for improved thermal performance and reliability.
  • Extended Temperature Range: Rated for operation from -40°C to +85°C for harsh environments.

Applications

  • Automatic display brightness adjustment in smartphones, tablets, and laptops.
  • Ambient light sensing for smart lighting control in home and building automation.
  • Light level monitoring in industrial equipment and outdoor IoT sensor nodes.
  • Backlight dimming in automotive infotainment and instrument clusters.
  • Energy-saving light control in consumer electronics and wearables.

Technical Specifications

Manufacturer Part NumberOPT3001DNPR
ManufacturerTexas Instruments
Package / CaseUSON-6-EP
Package Dimensions2.1 x 2.1 mm
Supply Voltage Range1.6V to 3.6V
Operating Temperature Range-40°C to +85°C
InterfaceI2C Digital
Spectral ResponseHuman Eye (Photopic)
Shipping Weight0.01 kg
Shipping Dimensions10 x 8 x 5 cm

Frequently Asked Questions

What is the operating voltage range for the OPT3001DNPR sensor?

The OPT3001DNPR operates from 1.6V to 3.6V DC. This wide range makes it compatible with common 3.3V and lower-voltage logic systems found in modern microcontrollers and battery-powered devices, ensuring easy integration without requiring a level shifter.

How do I interface the OPT3001DNPR with an Arduino or Raspberry Pi?

The sensor uses a standard I2C communication interface. Connect the SDA and SCL pins to the corresponding I2C pins on your microcontroller (e.g., Arduino Uno pins A4 and A5). You will also need to provide power (VCC) and ground (GND). Texas Instruments provides a dedicated library and example code to read the digital lux values.

What is the spectral response of this ambient light sensor?

The OPT3001DNPR is designed with a spectral response that closely matches the human eye's photopic response curve. It includes an integrated optical filter that rejects a significant portion of infrared and ultraviolet light, ensuring the lux measurements are accurate for human visual perception and display brightness control applications.

Can this sensor be used outdoors or in industrial environments?

Yes, its extended operating temperature range of -40°C to +85°C and robust package make it suitable for harsh environments. It can be used in outdoor IoT nodes, industrial automation for light-level monitoring, and automotive applications, provided it is properly housed and protected from direct moisture ingress.

Package Includes

  • 1 x Texas Instruments OPT3001DNPR Ambient Light Sensor

Additional Information

Weight 0.01 kg
Dimensions 8 × 10 × 5 cm