Datasheet > OPT3001

OPT3001

更新时间： 2024-11-06 01:07:31

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
43页	1090K
描述
Ambient Light Sensor (ALS)

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OPT3001

SBOS681B –JULY 2014–REVISED DECEMBER 2014

OPT3001 Ambient Light Sensor (ALS)

1 Features

3 Description

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.

•

Precision Optical Filtering to Match Human Eye:

Rejects > 99% (typ) of IR

–

•

Automatic Full-Scale Setting Feature Simplifies

Software and Ensures Proper Configuration

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: 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: 2.0 mm × 2.0 mm × 0.65 mm

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.

2 Applications

•

Display Backlight Controls

Lighting Control Systems

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.

Tablet and Notebook Computers

Thermostats and Home Automation Appliances

Point-of-Sale Terminals

Outdoor Traffic and Street Lights

Cameras

The low power consumption and low power-supply

voltage capability of the OPT3001 enhance the

battery life of battery-powered systems.

Device Information⁽¹⁾

PART NUMBER

OPT3001

PACKAGE

BODY SIZE (NOM)

Spectral Response: The OPT3001 and Human Eye

USON (6)

2.00 mm x 2.00 mm

OPT3001

Human Eye

(1) For all available packages, see the package option addendum

at the end of the datasheet.

0.9

0.8

0.7

0.6

0.5

0.4

0.3

0.2

0.1

Block Diagram

VDD

OPT3001

SCL

SDA

INT

I²C

Interface

Ambient

Light

ADC

Optical

Filter

ADDR

300

400

500

600

700

800

900

1000

GND

Wavelength (nm)

D001

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...43

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与OPT3001相关器件

型号	品牌	获取价格	描述	数据表
OPT3001_15	TI	获取价格	Ambient Light Sensor (ALS)
OPT3001DNPR	TI	获取价格	Ambient Light Sensor (ALS)
OPT3001DNPRQ1	TI	获取价格	具有高精密人眼响应功能的汽车数字环境光传感器 (ALS) \| DNP \| 6 \| -40
OPT3001DNPT	TI	获取价格	Ambient Light Sensor (ALS)
OPT3001IDNPRQ1	TI	获取价格	具有高精密人眼响应功能的汽车数字环境光传感器 (ALS) \| DNP \| 6 \| -40
OPT3001IDNPTQ1	TI	获取价格	具有高精密人眼响应功能的汽车数字环境光传感器 (ALS) \| DNP \| 6 \| -40
OPT3001-Q1	TI	获取价格	具有高精密人眼响应功能的汽车数字环境光传感器 (ALS)
OPT3002	TI	获取价格	光数字传感器
OPT3002DNPR	TI	获取价格	光数字传感器 \| DNP \| 6 \| -40 to 85
OPT3002DNPT	TI	获取价格	光数字传感器 \| DNP \| 6 \| -40 to 85

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