TTP2238 Touch Sensor IC Single Channel Capacitive Touch Detection Chip-SOT23 (Pack of 5)

Product description

TTP2238 Touch Sensor IC Single Channel Capacitive Touch Detection Chip-SOT23-6 Package TTP2238 Touch Sensor IC Single Channel Capacitive Touch Detection. The TTP2238 is a touchpad detector IC that offers 1 touch key. The touching detection IC is designed for replacing the traditional direct button key with diverse pad sizes. Low power consumption and wide operating voltage are the contact key features for DC or AC applications.

About this item:-

• TTP2238 Touch Sensor IC Single Channel Capacitive Touch Detection
• Operating current @VDD=3V, no-load, SLRFTB=1 At low power mode typical 1.5uA, maximum 3.0uA At fast mode typical 3.5uA, maximum 7.0uA @VDD=3V, no-load, SLRFTB=0 At low power mode typical 2.0uA, maximum 4.0uA At fast mode typical 6.5uA, maximum 13.0uA
• capacitive touch switch circuit for electronics hobbyists.
• Auto calibration for life And the re-calibration period is about 4.0sec when the key has not to be touched