Datasheet > TSL2571

TSL2571

更新时间： 2024-09-21 12:20:43

品牌	Logo	应用领域
TAOS		转换器
页数	文件大小	规格书
24页	221K
描述
LIGHT-TO-DIGITAL CONVERTER

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数据手册

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TSL2571 数据手册

TSL2571

LIGHT-TO-DIGITAL CONVERTER

TAOS117A − FEBRUARY 2011

PACKAGE FN

DUAL FLAT NO-LEAD

(TOP VIEW)

Features

D Ambient Light Sensing (ALS)

− Approximates Human Eye Response

− Programmable Analog Gain

6 SDA

5 INT

4 NC

V_DD

− Programmable Integration Time

− Programmable Interrupt Function with

Upper and Lower Threshold

SCL 2

GND 3

− Resolution Up to 16 Bits

− Very High Sensitivity — Operates Well

Behind Darkened Glass

− Up to 1,000,000:1 Dynamic Range

Applications

D Programmable Wait Timer

− Programmable from 2.72 ms

to > 8 Seconds

D Display Management

D Backlight Control

− Wait State — 65 mA Typical Current

D Portable Device Power Optimization

D Cell Phones, PDA, GPS

D Notebooks and Monitors

D LCD TVs

D I C Interface Compatible

− Up to 400 kHz (I C Fast Mode)

− Dedicated Interrupt Pin

D Small 2 mm ꢀ 2 mm ODFN Package

D Sleep Mode — 2.5 mA Typical Current

Description

The TSL2571 family of devices provides ambient light sensing (ALS) that approximates human eye response

to light intensity under a variety of lighting conditions and through a variety of attenuation materials. While useful

for general purpose light sensing, the device is particularly useful for display management with the purpose of

extending battery life and providing optimum viewing in diverse lighting conditions. Display panel and keyboard

backlighting can account for up to 30 to 40 percent of total platform power. The ALS features are ideal for use

in notebook PCs, LCD monitors, flat-panel televisions, and cell phones.

Functional Block Diagram

Interrupt

INT

GND

Wait Control

Upper Limit

Lower Limit

CH0

ADC

CH0

Data

SCL

SDA

ALS Control

CH0

CH1

ADC

CH1

Data

CH1

The LUMENOLOGY r Company

Texas Adva^rnced Optoelectronic Solutions Inc.

1001 Klein Road S Suite 300 S Plano, TX 75074 S (972) 673-0759

www.taosinc.com

12 3 4 5 6 7...24

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