Product details

Rating Catalog Operating temperature range (°C) -40 to 85
Rating Catalog Operating temperature range (°C) -40 to 85
USON (DNP) 6 4 mm² 2 x 2
  • Precision Optical Filtering to Match Human Eye:
    • Rejects > 99% (typ) of IR
  • Automatic Full-Scale Setting Feature Simplifies Software and Ensures Proper Configuration
  • Measurements: 0.01 lux to 83 k lux
  • 23-Bit Effective Dynamic Range With
    Automatic Gain Ranging
  • 12 Binary-Weighted Full-Scale Range Settings:
    < 0.2% (typ) Matching Between Ranges
  • Low Operating Current: 1.8 µA (typ)
  • Operating Temperature Range: –40°C to +85°C
  • Wide Power-Supply Range: 1.6 V to 3.6 V
  • 5.5-V Tolerant I/O
  • Flexible Interrupt System
  • Small-Form Factor: 2.0 mm × 2.0 mm × 0.65 mm
  • Precision Optical Filtering to Match Human Eye:
    • Rejects > 99% (typ) of IR
  • Automatic Full-Scale Setting Feature Simplifies Software and Ensures Proper Configuration
  • Measurements: 0.01 lux to 83 k lux
  • 23-Bit Effective Dynamic Range With
    Automatic Gain Ranging
  • 12 Binary-Weighted Full-Scale Range Settings:
    < 0.2% (typ) Matching Between Ranges
  • Low Operating Current: 1.8 µA (typ)
  • Operating Temperature Range: –40°C to +85°C
  • Wide Power-Supply Range: 1.6 V to 3.6 V
  • 5.5-V Tolerant I/O
  • Flexible Interrupt System
  • Small-Form Factor: 2.0 mm × 2.0 mm × 0.65 mm

The OPT3001 is a sensor that measures the intensity of visible light. The spectral response of the sensor tightly matches the photopic response of the human eye and includes significant infrared rejection.

The OPT3001 is a single-chip lux meter, measuring the intensity of light as visible by the human eye. The precision spectral response and strong IR rejection of the device enables the OPT3001 to accurately meter the intensity of light as seen by the human eye regardless of light source. The strong IR rejection also aids in maintaining high accuracy when industrial design calls for mounting the sensor under dark glass for aesthetics. The OPT3001 is designed for systems that create light-based experiences for humans, and an ideal preferred replacement for photodiodes, photoresistors, or other ambient light sensors with less human eye matching and IR rejection.

Measurements can be made from 0.01 lux up to 83k lux without manually selecting full-scale ranges by using the built-in, full-scale setting feature. This capability allows light measurement over a 23-bit effective dynamic range.

The digital operation is flexible for system integration. Measurements can be either continuous or single-shot. The control and interrupt system features autonomous operation, allowing the processor to sleep while the sensor searches for appropriate wake-up events to report via the interrupt pin. The digital output is reported over an I2C- and SMBus-compatible, two-wire serial interface.

The low power consumption and low power-supply voltage capability of the OPT3001 enhance the battery life of battery-powered systems.

The OPT3001 is a sensor that measures the intensity of visible light. The spectral response of the sensor tightly matches the photopic response of the human eye and includes significant infrared rejection.

The OPT3001 is a single-chip lux meter, measuring the intensity of light as visible by the human eye. The precision spectral response and strong IR rejection of the device enables the OPT3001 to accurately meter the intensity of light as seen by the human eye regardless of light source. The strong IR rejection also aids in maintaining high accuracy when industrial design calls for mounting the sensor under dark glass for aesthetics. The OPT3001 is designed for systems that create light-based experiences for humans, and an ideal preferred replacement for photodiodes, photoresistors, or other ambient light sensors with less human eye matching and IR rejection.

Measurements can be made from 0.01 lux up to 83k lux without manually selecting full-scale ranges by using the built-in, full-scale setting feature. This capability allows light measurement over a 23-bit effective dynamic range.

The digital operation is flexible for system integration. Measurements can be either continuous or single-shot. The control and interrupt system features autonomous operation, allowing the processor to sleep while the sensor searches for appropriate wake-up events to report via the interrupt pin. The digital output is reported over an I2C- and SMBus-compatible, two-wire serial interface.

The low power consumption and low power-supply voltage capability of the OPT3001 enhance the battery life of battery-powered systems.

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Technical documentation

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Type Title Date
* Data sheet OPT3001 Ambient Light Sensor (ALS) datasheet (Rev. C) PDF | HTML 06 Nov 2017
Application brief How to Select a Light Sensor for Your Application (Rev. C) PDF | HTML 19 Jan 2024
Application note Standalone Evaluation Platform for TI Light Sensors (Rev. A) PDF | HTML 21 Jul 2023
User guide BOOSTXL-BASSENSORS User's Guide (Rev. B) 01 Sep 2022
Application note OPT3001: Ambient Light Sensor Application Guide (Rev. A) 19 Sep 2017
Application brief OPT3001/-Q1:Automatic control of Display backlight using an Ambient Light Sensor 18 Aug 2017
More literature Engineering A Smarter Building 26 Jan 2016
Technical article Cold chain in the IoT PDF | HTML 20 Nov 2015
Technical article How to bring the IoT to older buildings with automation technology PDF | HTML 13 Aug 2015
Application note Understanding the I2C Bus PDF | HTML 30 Jun 2015
EVM User's guide OPT3001EVM User's Guide (Rev. A) 14 Oct 2014

Design & development

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Code example or demo

BOOSTXL-SENSORS-SW

Supported products & hardware

Supported products & hardware

Products
Light sensors
OPT3001 Digital ambient light sensor (ALS) with high-precision human-eye response
Download options
Driver or library

OPT3001SW-LINUX — Linux driver for OPT3001 and OPT3006

The Linux driver supports the OPT30001 Digital Ambient Light Sensor (ALS) with High Precision Human Eye Response. The Linux driver supports communication through the I2C bus and registers to the IIO (Industrial Input/Output) class of the Linux kernel.
Linux Mainline Status

Available in Linux Main (...)

Plug-in

SIMPLELINK-SDK-SENSOR-ACTUATOR-PLUGIN Sensor and Actuator Plug-in for SimpleLink™ MCU SDKs

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Supported products & hardware

Supported products & hardware

Products
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Low-power 2.4-GHz products
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Light sensors
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Hardware development
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OPT3001 STEP Model

SBOC449.ZIP (41 KB)

Many TI reference designs include the OPT3001

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USON (DNP) 6 View options

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