青青草p2phd高清

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首頁 >> 産品 >>配套類 >>電容式觸摸芯片 >> 雙鍵觸摸芯片 TK8022

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雙鍵觸摸芯片 TK8022

産品型号：: TK8022

産品名称：: 雙鍵觸摸芯片

封裝形式：: SOP8

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主要特點
參數類型

TK8022是一款雙通道觸摸按鍵芯片，具有靈敏度高、抗抗擾能力強，防水防塵、高可靠性等優點，可廣泛替代傳統機械式按鈕。

● 雙通道觸控按鍵檢測

● 工作電壓：2.1V~5.5V（類型1産品，LVR=1.9V），或1.4V~5.5V（類型2産品，LVR=1.2V）

● 工作電流：1.8uA@VDD=3V（典型）

● 工作模式分爲正常模式與低功耗模式，16秒無按鍵，進入低功耗模式

● 可由CLD電容調整靈敏度（1nF~22nF）

● 可由SEL2引腳選擇輸出高電平有效、低電平有效或開漏模式輸出

● 可由SEL3引腳選擇按鈕模式或開關模式輸出

● 不同IC型號可選擇I2C通信模式

● 觸摸鍵長按時間，分爲16秒或64秒兩種，有不同IC型號可選

主要應用于家電、消費電子、工控等領域的按鍵檢測。

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