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光傳感器

MAX44009:環境光傳感器

發布日期:2022-10-09 點擊率:61

  MAX44009環境光傳感器的特點是通過 I2C數字輸出,為便攜式應用,如智能手機,筆記本電腦和工業傳感器相當理想。在工作電流小于1μA,它是在同行業中最低的電力環境光傳感器和功能的0.045lux超寬22位的動態范圍188,000lux。

  微光操作允許在深色玻璃應用,操作方便。

  芯片上的光電二極管的光譜響應進行了優化以模仿人眼的環境光感,并采用紅外和阻隔紫外線的能力。自適應增益模塊自動選擇,以優化計數/勒克斯正確勒克斯范圍。

  該IC的設計工作于1.7V至3.6V電源電壓范圍,僅消耗0.65μA全面運作。它是在一個小尺寸,采用2mm x 2mm x 0.6mm 的UTDFN-光電封裝。

  原理框圖


  關鍵特性

   ●寬從0.045 Lux 到 188,000 Lux 范圍

   ●小尺寸,采用2mm x 2mm x 0.6mm UTDFN

   ●VCC = 1.7V to 3.6V

   ●工作電流ICC = 0.65µA

   ●溫度范圍:-40 ° C至+85 ° C

   ●設備地址選項  1001和1001011x010x

  應用

   ●蜂窩電話/智能電話

   ●數字照明管理

   ●便攜式設備

   ●安全系統

   ●平板PC/筆記本電腦

   ●TV/投影儀/顯示器

  

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