Product details

Quiescent current (Max) (uA) 2 Rating Catalog Operating temperature range (C) -40 to 85 Interface type I2C Input type Light
Quiescent current (Max) (uA) 2 Rating Catalog Operating temperature range (C) -40 to 85 Interface type I2C Input type Light
USON (DNP) 6 4 mm² 2 x 2
  • Precision Optical Filtering to Match Human Eye:
    • Rejects > 99% (Typical) of IR over ±85° Angle of Incidence
  • 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 (Typical)
  • 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 mm × 2 mm × 0.65 mm
  • Precision Optical Filtering to Match Human Eye:
    • Rejects > 99% (Typical) of IR over ±85° Angle of Incidence
  • 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 (Typical)
  • 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 mm × 2 mm × 0.65 mm

The OPT3004 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 over a wide angle of incidence.

The OPT3004 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 OPT3004 to accurately meter the intensity of light as seen by the human eye regardless of light source. The strong IR rejection also helps to maintain high accuracy when industrial design calls for mounting the sensor under dark glass for aesthetics. The OPT3004 is designed for systems that create light-based experiences for humans, and is 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 83 k 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 OPT3004 enhance the battery life of battery-powered systems.

The OPT3004 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 over a wide angle of incidence.

The OPT3004 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 OPT3004 to accurately meter the intensity of light as seen by the human eye regardless of light source. The strong IR rejection also helps to maintain high accuracy when industrial design calls for mounting the sensor under dark glass for aesthetics. The OPT3004 is designed for systems that create light-based experiences for humans, and is 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 83 k 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 OPT3004 enhance the battery life of battery-powered systems.

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Technical documentation

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Type Title Date
* Data sheet OPT3004 Ambient Light Sensor (ALS) With Excellent Angular IR Rejection datasheet 17 Dec 2018
Application note Buildup Test Platform for Stand-Alone OPT300x 03 Apr 2020
Application note How to Select an Ambient Light Sensor for Your End Equipment (Rev. B) 25 Nov 2019
Technical article Understanding tamper detection sensors 18 Nov 2019
User guide OPT3004EVM User's Guide 10 Dec 2018
Application note OPT3001/-Q1:Automatic control of Display backlight using an Ambient Light Sensor 18 Aug 2017
Technical article Collecting environmental data with less energy and wiring 23 May 2017
More literature Engineering A Smarter Building 26 Jan 2016
Technical article How to bring the IoT to older buildings with automation technology 13 Aug 2015
Application note Understanding the I2C Bus 30 Jun 2015

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

OPT3004EVM — OPT3004 digital ambient light sensor (ALS) with increased angular IR rejection evaluation module

The OPT3004 evaluation module (EVM) is a platform for evaluating the performance of the OPT3004 device under various conditions. OPT3004 is an ambient light sensor (ALS) with a digital-output integrated circuit. It uses a two-wire interface that works with the I2C protocol, making it ideal for many (...)

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Support software

OPT3004 uDriver

SBOC602.ZIP (102 KB)
Reference designs

TIDA-010224 — Low-power wireless camera reference design for extended battery life

This reference design provides a solution for a battery-operated wireless camera by combining industry-leading image processing, connectivity, sensor and power. High-efficiency power converters along with optimized system architecture help to increase battery life. The image
processor with a (...)
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USON (DNP) 6 View options

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