OPT3001 是一款可如人眼般測量光強的單芯片照度計。 OPT3001 器件兼具精密的頻譜響應和較強的 IR 阻隔功能,因此能夠如人眼般準確測量光強且不受光源影響。 對于為追求美觀效果而需要將傳感器安裝在深色玻璃下的工業設計而言,較強的 IR 阻隔功能還有助于保持高精度。 OPT3001 專門針對構建基于光線的人眼般體驗的系統而設計,是人眼匹配度低且紅外阻隔能力差的光電二極管、光敏電阻或其它環境光傳感器的首選理想替代產品。
測量范圍可達 0.01lux 至 83k lux,且內置有滿量程設置功能,無需手動選擇滿量程范圍。 此功能允許在 23 位有效動態范圍內進行光測量。
數字操作可靈活用于系統集成。 測量既可連續進行也可單次觸發。 控制和中斷系統可自主操作,允許處理器進入休眠狀態,同時傳感器會搜索適當的喚醒事件并通過中斷引腳報告。 數字輸出通過 I2C 以及 SMBus 兼容的兩線制串口報告。
OPT3001 兼具低功耗和低電源電壓特性,可延長電池供電系統的電池壽命。
特性
采用精密光學過濾以匹配人眼 可阻隔 99%(典型值)以上的紅外線 (IR) 自動滿量程設置功能可簡化軟件并確保進行適當配置 測量范圍:0.01lux 至 83k lux 23 位有效動態范圍,具有自動增益范圍設定功能 12 種二進制權滿量程范圍設置:范圍間匹配程度 < 0.2%(典型值) 低工作電流:1.8μA(典型值) 工作溫度范圍:-40°C 至 +85°C 寬電源范圍:1.6V 至 3.6V 可耐受 5.5V 電壓的 I/O
應用
顯示屏背光控制 照明控制系統 平板電腦和筆記本電腦 溫度調節裝置和家庭自動化電器 銷售點終端 室外的交通燈和街燈 攝像機 PESD5V0L1BALPC1778FBD144
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