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    产品特性：

◆亿光环境光感应器为了不断满足新的市场需求，已经前后推出三代产品，从代纯粹的ALS（环境光感应器），到ALS和距离感应器二合一，再到和IR的三合一，每一代产品都充分的满足了各大客户的需求，现在亿光人正朝着更高更远的目标前进，并期待和更多更具创新的企业共创新高。

  产品应用：

◆亿光ALS产品被广泛应用于各行各业当中，其中，为响应低碳环保、节能减排的环保号召，亿光将此类产品重点推广应用在LED电视、手机、大型显示频、各类电子显示频、各类智能调节能耗的产品当中。目前，亿光主推的第二代产品已经被广泛应用于智能手机当中，合作厂商包括HTC等；目前第三代产品已经受到手机行业各大巨头的关注，第三代产品在2011年三季度将全新上市。

  亿光电子工业股份有限公司(Everlight Electronics., Ltd.)于1983年创立于台湾台北，在LED产业中具有关键性地位。今日，亿光电子已成为LED产业的领导厂商。亿光在产品质量、效能与生产工艺上，积极追求卓越，建立起精湛的技术与优化的流程来满足客户的各种需求。

  亿光产品均符合以下品质要求：

  品质:

  ◆QC 080000/ISO 9001/TS-16949/OHSAS 18001/ISO14001

  ◆Green Partner/IECQ/ISO/ISO&TS/OHSAS/SA

  RoHS检测

   RoHS是《电气、电子设备中限制使用某些有害物质指令》（the Restriction of the use of certain hazardous substances in electrical and electronic equipment）的英文缩写，欧盟的RoHS限制令规定：自七月一日起，欧盟市场上的新电子产品及电机设备皆禁止使用铅、水银、镉、六价铬(hexavalent chromium)、多溴联苯(polybrominated biphenyls, PBB)或多溴联苯醚(polybrominated diphenyl ether, PBDE)。RoHS适用于八大类的电子产品及电机设备。

  亿光致力于符合环保减废的生产过程及产品，依照禁止在新设备中使用铅、水银、镉等有害物质的《欧盟危害物质禁用指令》(European Union Restriction of the Use of Certain Hazardous Substances, RoHS)。

Features

? Close to the human eye's response

? 15 bit effective resolution

? 50Hz/60Hz rejection

? Low sensitivity variation across various light sources

? Operating temperature performance, -40oC to 85oC

? Wide supply voltage range, 2.7V to 5.5V

• Low power consumption, less than 2mW while operating

• Shut-down mode, current consumption less than 0.1uA

• I2C serial port communication: (1) Standard 100kHz, (2).Fast 400kHz

? High dynamic sensing range and from 0 to 220000 Lux

? Size : 2.0mm(L)*2mm(W)*0.6mm(H)

? RoHS compliant and Pb Free package

Description

The ALS-PDIC17-79NB/TR8 is a digital-output light sensor with a two-wire, I2C serial interface that is compatible with SMBus when working at 100kHz serial clock frequency. It combines a photodiode and an analog-to-digital converter (ADC) on a single CMOS integrated circuit to provide light measurements over an effective 15-bit dynamic range. Two operation modes are provided with one for constantly refreshing ADC and the other for one time integration. When working in “one time integration” mode, no external resister is required. The integrating conversion technique used by ALS-PDIC17-79NB/TR8 effectively eliminates the effect of flicker from AC-powered lamps, increasing the stability of the measurement. ALS-PDIC17-79NB/TR8 is very close to human-eye vision, having very low response to non-visible light, such as infrared and ultra-violet light.

Applications

• Detection of ambient light for controlling the backlighting of TFT LCD display

• Automatic residential and commercial lighting management

• Automatic contrast enhancement for electronic signboard

• Ambient light monitoring device for daylight and artificial light