超低价六键触摸芯片电路图封装资料

linml

VK3606D具有6个触摸按键，可用来检测外部触摸按键上人手的触摸动作。该芯片具有较高 的集成度，仅需极少的外部组件便可实现触摸按键的检测。 提供了6路1对1直接输出低电平有效。最长输出时间10S。芯片内部采用特殊的集成电路， 具有高电源电压抑制比，可减少按键检测错误的发生，此特性保证在不利环境条件的应用中芯 片仍具有很高的可靠性。 此触摸芯片具有自动校准功能，低待机电流，抗电压波动等特性，为各种6触摸按键+IO输 出的应用提供了一种简单而又有效的实现方法。L-2070

• 工作电压 2.4-5.5V• 待机电流7uA/3.0V,14uA/5V• 上电复位功能（POR）• 低压复位功能（LVR）• 触摸输出响应时间：工作模式  48mS ，待机模式160mS• 单键1对1直接输出低电平有效• 防呆功能，有效键最长输出时间：10S• 通过CS脚接对地电容调节整体灵敏度(1-47nF）• 各触摸通道单独接对地小电容微调灵敏度（0-50pF）.• 上电0.25S内为稳定时间，禁止触摸• 上电后4S内自校准周期为64mS，4S无触摸后自校准周期为1SL-2070

VK3606D is a touch pad detector IC which offers 6 touch keys,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 has 6 Direct Output pins . The longest output time is 10S. 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 6 touch key + IO operation in a wide variety of applications.L-207

• Operating voltage 2.4-5.5V • Standby current: 7uA/3.0V,14uA/5V • Power-On Reset（POR） • Low Voltage Reset（LVR） • Key Response Time：Normal Mode 48mS ，Standby Mode 160mS • CMOS-Direct Output,Active level- low • Maximum key on duration time 10S • 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 . • Package： SOP16(150mil)(9.9mm x 3.9mm PP=1.27mm)L-2070