当前位置:网站首页>VK36N5D抗电源干扰/手机干扰 5键5通道触摸检测芯片防呆功能触摸区域积水仍可操作
VK36N5D抗电源干扰/手机干扰 5键5通道触摸检测芯片防呆功能触摸区域积水仍可操作
2022-07-23 08:14:00 【苹果123321】
型号:VK36N5D
品牌:VINKA/永嘉微电
封装形式:SOP16/QFN16L
年份:新年份
KPP2138
概述:
VK36N5D具有5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5个1对1输出脚,1个触摸状态输出脚,可通过IO脚选择上电输出电平和输出方式(直接输出或者锁存输出)。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,为各种触摸按键+1对1输出的应用提供了一种简单而又有效的实现方法。

• 工作电压 2.2-5.5V
• 待机电流10uA/3.0V
• 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
• 通过AHLB脚选择上电输出高电平或者低电平
• 通过TOG脚选择直接输出或者锁存输出
• 输出为5个1对1输出脚和1个触摸状态输出脚
• 支持多键同时触摸
• 防呆功能,有效键最长输出时间:13S
• 无键触摸4S进入待机模式
• 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0.3S内为稳定时间,禁止触摸
• 上电后无触摸时,环境变化自动校准基准值
• 抗电压波动,抗干扰性能好
• 封装
SOP16(150mil)(9.9mm x 3.9mm PP=1.27mm)
QFN16L(3.0mm x 3.0mm PP=0.5m)


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