1 Features

1• Precision Optical Filtering to Match Human Eye:

– Rejects > 99% (typ) of IR

• Automatic Full-Scale Setting Feature Simplifies

Software and Provides Optimal Configuration

• Measurements: 0.01 lux to 83k 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:

– 0.856 mm x 0.946 mm x 0.226 mm PicoStar™

Package

• OPT3006 is Smaller Version of OPT3001

2 Applications

• Smart Watches

• Wearable Electronics

• Health Fitness Bands

• Display Backlight Controls

• Lighting Control Systems

• Tablet and Notebook Computers

• Cameras

3 Description

The OPT3006 is a single-chip lux meter, measuring

the intensity of visible light as seen by the human

eye. The OPT3006 is available in an ultra-small

PicoStar package, so the device fits into tiny spaces.

The precision spectral response of the sensor tightly

matches the photopic response of the human eye.

With strong infrared (IR) rejection, the OPT3006

accurately meters the intensity of light as seen by the

human eye, regardless of the light source. The strong

IR rejection also aids in maintaining high accuracy

when design requires mounting the sensor under

dark glass. The OPT3006, often in conjunction with

backlight ICs or lighting control systems, creates lightbased

experiences for humans, and is an ideal

replacement for photodiodes, photoresistors, or

lower-performing ambient light sensors.

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 singleshot.

The control and interrupt system features

autonomous operation, allowing the processor to

sleep while the sensor searches for appropriate

wake-up events to report with the interrupt pin. The

digital output is reported over an I2C- and SMBuscompatible,

two-wire serial interface.

The low power consumption and low power-supply

voltage capability of the OPT3006 enhance the

battery life of battery-powered systems.