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TTP223 Capacitive Touch Sensor Module
9MTOUCHTTP223
New
Tiny touch sensitive button module for replacing traditional mechanical touch switches. Uses the TTP223 touch sensor IC
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TTP223 Capacitive Touch Sensor Module
The TTP223 is a touch pad detector IC replicating a single tactile button.
This touch detection IC is designed for replacing traditional direct button key with diverse pad size.
FEATURES :
- Supports momentary or latching/toggle modes.
- Supports Active High or Active Low output signal modes
- Dimensions : 15mm x 11mm
- Input Voltage : 2V-5.5V DC
- The response time max ~ 60mS in fast mode, ~220mS at low power mode @VDD=3V
- Sensitivity can adjust by the capacitance(0~50pF)
- Have two kinds of sampling length by pad option(SLRFTB pin)
- Stable touching detection of human body for replacing traditional direct switch key
- Provides Fast mode and Low Power mode selection by pad option(LPMB pin)
- Provides direct mode、toggle mode by pad option(TOG pin)
Open drain mode by bonding option, OPDO pin is open drain output, Q pin is CMOS output - All output modes can be selected active high or active low by pad option(AHLB pin)
- Have the maximum on time 100sec by pad option(MOTB pin)
- Have external power on reset pin(RST 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
- Re-calibration period is about 4.0sec, when key has not be touched
| Jumpers | A | B |
|---|---|---|
| Latching / High Ouput | 0 | 0 |
| Latching / Low Output | 1 | 0 |
| Momentary / High Output | 0 | 1 |
| Momentary / Low Output | 1 | 1 |
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