VK3610I具有10個觸摸按鍵,可用來檢測外部觸摸按鍵上人手的觸摸動作。該芯片具有較 高的集成度,僅需極少的外部組件便可實現觸摸按鍵的檢測。 提供了I2C輸出功能,1個INT中斷輸出腳,單鍵輸出,有效鍵對應數據位置1。芯片內部 采用特殊的集成電路,具有高電源電壓抑制比,可減少按鍵檢測錯誤的發生,此特性保證在不 利環境條件的應用中芯片仍具有很高的可靠性。 此觸摸芯片具有自動校準功能,低待機電流,抗電壓波動等特性,為各種觸摸按鍵+I2C輸 出的應用提供了一種簡單而又有效的實現方法。M45+10
? 工作電壓 2.4-5.5V ? 待機電流9uA/3.0V ? 上電復位功能(POR) ? 低壓復位功能(LVR) ? 觸摸輸出響應時間:工作模式 48mS ,待機模式160mS ? 單鍵輸出,有效鍵對應數據位置1 ? I2C輸出+INT中斷腳 ? 防呆功能,有效鍵最長輸出時間:10S ? 無鍵觸摸4S進入待機模式 ? 通過CS腳接對地電容調節整體靈敏度(1-47nF) ? 各觸摸通道單獨接對地小電容微調靈敏度(0-50pF). ? 上電0.3S內為穩定時間,禁止觸摸 ? 上電后4S內自校準周期為64mS,4S無觸摸后自校準周期為1S ? 抗電壓波動,抗干擾性能好 ? 封裝 SOP16(150mil)(9.9mm x 3.9mm PP=1.27mm)sd
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VK3610I is a touch pad detector IC which offers 10 touch key,It can detect human body contact using external touch pads. . The high level of device integration enable applications to be implemented with a minimum number of external components. It provides I2C output,1 INT interrupt output pin. Special internal circuitry is also employed to ensure excellent power noise rejection to reduce the possibility of false detections, increasing the touch switch application reliability under adverse environmental conditions.。 With auto-calibration, low standby current, excellent resistance to voltage fluctuation and other features, this range of touch key devices provide a simple and effective means of implementing 10 touch key + IO operation in a wide variety of applications
? Operating voltage: 2.4-5.5V ? Standby current: 9uA/3.0V ? Power-On Reset(POR) ? Low Voltage Reset(LVR) ? Key Response Time:Normal Mode 48mS ,Standby Mode 160mS ? Single key output ? I2C output+INT interrupt pin ? Maximum key on duration time 10S ? No touch 4S to enter standby mode ? Sensitivity adjustment using an external capacitor(1-47nF)on CS pin ? Add a capacitor(0-50pF) to a touch key pin can fine tune the sensitivity for single key ? After power-on have about 0.25S stable-time, during the time do not touch the key . ? Anti-voltage fluctuation,High anti-interference ? Package SOP16(150mil)(9.9mm x 3.9mm PP=1.27mm)