優勢和特點
·帶寬(G = 5):250 kHz
·CMRR (G = 5):100 dB(最小值,B級)
·輸入噪聲:24 nV/√Hz
·電源電流:350 μA(典型值)
·額定溫度范圍:−40°C至+125°C
·8引腳SOIC和MSOP封裝
·增益通過1個外部電阻設置
增益范圍:5至1000
·輸入電壓可低至地電壓以下
·輸入受到保護,可高于電源電壓
·極寬電源電壓范圍
單電源:2.2 V至36 V
雙電源:±1.5 V至±18 V
產品詳情AD8227ARZ-R7
AD8227魯棒的輸入設計用于與實際傳感器相連。除具有寬工作電壓范圍外,它還能處理超出供電軌的電壓。例如,采用±5 V電源供電時,輸入端的電壓即使達到±35 V也保證不會損壞該器件。最小及最大輸入偏置電流特性有利于開路檢測。AD8227非常適合多通道、空間受限的應用。MSOP封裝和125°C額定溫度使它在高度緊湊、密不透風的設計中大有可為。
AD8227是一款低成本、寬電源電壓范圍儀表放大器,僅需要一個外部電阻來設置增益,增益范圍為5至1000。該器件適合多種不同的信號電壓。寬輸入范圍和軌到軌輸出使信號可充分利用供電軌。由于輸入范圍也可以降至負電源電壓以下,因此無需雙電源便可放大接近地電壓的小信號。該器件采用±1.5 V至±18 V電源(2.2 V至36 V單電源)供電。
AD8227提供8引腳MSOP和SOIC兩種封裝,額定工作溫度范圍為−40°C至+125°C。
欲了解增益范圍為1至1000的類似儀表放大器,請參考AD8226.
應用
·工業過程控制
·橋式放大器
·醫療儀器
·便攜式數據采集
·多通道系統
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