• [ CXTC8922B ]

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目录

1.产品概述       2.产品特点     1OM嘉泰姆

3.应用范围       4.技术规格书下载（PDF文档）1OM嘉泰姆

5.产品封装       6.电路原理图  1OM嘉泰姆

7.相关产品1OM嘉泰姆

   产品概述 返回TOP1OM嘉泰姆

The CXTC8922B TonTouchTM is a touch pad detector IC which offers 1 touch key. The device built-in regulator for touch sensor. Stable sensing method can cover diversity conditions. The touching detection IC is designed for replacing traditional direct button key with diverse pad size. Low power consumption and wide operating voltage are the contact key features for DC or AC application

   产品特点 返回TOP1OM嘉泰姆

z Operating voltage 2.4V ~ 5.5V 1OM嘉泰姆

z Built-in regulator for touch sensor 1OM嘉泰姆

z Built-in low voltage reset (LVR) function 1OM嘉泰姆

z Operating current, @VDD=3V no load At low power mode typical 2.5uA, maximum 5uA 1OM嘉泰姆

z The response time max about 220mS at low power mode @VDD=3V 1OM嘉泰姆

z Sensitivity can adjust by the capacitance（1~50pF）outside 1OM嘉泰姆

z Stable touching detection of human body for replacing traditional direct switch key 1OM嘉泰姆

z Provides Low Power mode 1OM嘉泰姆

z Provides direct output or toggle output selection by pin option (TOG pin) 1OM嘉泰姆

z Q pin is CMOS output can be selected active high or active low by pin option (AHLB pin) 1OM嘉泰姆

z After power-on have about 0.5sec stable-time, during the time do not touch the key pad, and the function is disabled 1OM嘉泰姆

z Auto calibration for life The re-calibration period is about 1 sec within 8 sec after power-on. When key has been touched within 8 sec or key has not been touched more than 8 sec after power-on, then the re-calibration period change to 4 sec1OM嘉泰姆

   应用范围 返回TOP1OM嘉泰姆

z Wide consumer products 1OM嘉泰姆

z Button key replacement1OM嘉泰姆

   技术规格书（产品PDF) 返回TOP 1OM嘉泰姆

     需要详细的PDF规格书请扫一扫微信联系我们，还可以获得免费样品以及技术支持！1OM嘉泰姆

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产品封装图 返回TOP1OM嘉泰姆

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电路原理图 返回TOP1OM嘉泰姆

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◀ 上一篇:CXTC8922单按键触摸及接近感应开关CMOS工艺制造内置去抖动电路防止外部噪声干扰而导致的误动作工作电压2.0V～5.5V外部配置引脚设置为多种模式用于灯光控制玩具家用电器

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下一篇▶:CXTC8922L触摸传感器内置调节器灵敏度可由外部电容（1~50pF）调节稳定人体接触检测取代传统的直接开关钥匙工作电压2.4V~5.5V触摸传感器内置调节器通电后有0.5秒左右的稳定时间终身自动校准重新校准周期约为通电后8秒内的1秒

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