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代理台湾通泰8键触摸开关IC TTP239

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产品品牌TT

最小起订≥1000 PCS

供货总量100000000 PCS

发货期限自买家付款之日起 3 天内发货

联系电话0755-23303986

企业旺铺http://zhouyuyanhui.cn.gongxuku.com/

手机地址代理台湾通泰8键触摸开关IC TTP239

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产品信息

基本参数

品牌:

TT

所在地:

广东 深圳市 宝安区

起订:

≥1000 PCS

供货总量:

100000000 PCS

有效期至:

长期有效
详细说明
 The TTP239 TonTouchTM IC is capacitive sensing design specifically for touch pad controls. The device built in regulator for touch sensor. Stable sensing method can cover diversity conditions. Human interfaces control panel links through non-conductive dielectric material. The main application is focused at replacing of the mechanical switch or button. The ASSP can independently handle the 8 touch pads with 8 direct output pins.

Characteristic

Operating voltage 2.4V ~ 5.5V

Built-in regulator with external enable/disable option (REGEN pin)

Built-in low voltage reset(LVR) function with external enable/disable option (LVREN pin)

Operating current, @VDD=3V no load, LDO enable

At low power mode typical 5.0uA, At fast mode typical 30uA

@VDD=3V operating voltage :

The response time about 160mS at low power mode, 60mS at fast mode

Sensitivity can adjust by the capacitance1~50pFoutside for each touch pad

Provides Fast mode and Low Power mode selection by pad option (LPM pin)

Provides 8 direct outputs for 8 direct input keys. And all can selec active high or active low by pad option (SAHL pin)

Provides two kinds of serial output interface

Include 2-wires and I2C-bus slave serial interface that can be selected by pad option (SLSERT pin)

Have the maximum on time 120sec/64sec/16sec/infinite by pad option (MOT1, MOT0 pin)

Provides Single-key and Multi-key functions by pad option (SM pin)

2-wires serial interface can selec active high or low by pad option (SAHL pin)

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

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 sec

Applications

Wide consumer products

Button key replacement

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