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    1. Operating voltage: 2.0V ~ 5.5V
    2. The highest power consumption is 11.5uA, low power mode is only 4uA ( in 3V and no load)
    3. External configuration pin is set to multiple modes
    4. High reliability, the chip built-in debounce circuit, which can effectively prevent external noise interference caused by the malfunction
    5. Can be used for glass, ceramics, plastics and other media surface
    6. With automatic calibration function, when no keys are touched, the system recalibration cycle is about 4.0 Sec

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    LKR 395.00

    The TTP226 is a touch pad detector IC which offers 8 touch keys. The touching detection IC is designed for replacing traditional direct button key with fixed pad size. Low power consumption and wide operating voltage are the contact key features for DC or AC application.


    • Operating voltage 2.0V~5.5V

    • Operating current typical 100uA, max 160uA at VDD=3V

    • The output refresh rate about 55Hz at VDD=3V

    • 64 steps sensitivity selectable (SLSE0~5 pin option)

    • Another have offer 2 kinds of base-step (OPST pin option)

    • Stable touching detection of human body for replacing traditional direct switch key.

    • Provides direct mode、matrix mode and serial mode selected by pad option

    • Maximum 8 input pads and 8 outputs for direct mode;

    • Maximum 8 input pads for serial interface mode;

    • Maximum 8 input pads provide fixed 2*4 and 3*3 matrix types

    • Outputs can be selected active high or active low by pad option

    • After power-on have 0.8~1.0sec stable-time, during the time do not touch the key-pad, And the function is disabled.

    • Auto calibration for life. And the re-calibration period is 0.8~1.0sec.When all keys do not touched.

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    LKR 175.00

    1. Low power consumption
    2. Power supply for 2 ~ 5.5V DC
    3. Can replace the traditional touch of a button
    4. Four M2 screws positioning holes, for easy installation

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    LKR 650.00

    • On-board 16-key TTP229 capacitive touch sensor IC
    • On-board power indicator LED
    • Working Voltage Range: 2.4 V to 5.5 V
    • Configurable output mode
    • PCB Size: 49.3 x 64.5 mm

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