Touch sensor TTP223B (OT8822)

The TTP223B is a capacitive touch sensor that operates based on the touch of an object or person on a sensitive surface. This device is designed for use in various applications, including touch control, touch switches and buttons, and other types of touch-activated devices.

Technical Specifications for the TTP223B Touch Sensor:

• Operating Voltage: 2.0 V to 5.5 V DC
• Detection Range: 0 mm to 12 mm
• Output Mode: Toggle mode or Momentary mode (adjustable)
• Output Voltage:
  • Equal to the supply voltage (Vcc) in Momentary mode
  • High or low in Toggle mode (adjustable)
• Output Current: 500 mA (maximum)
• Operating Temperature: -20 °C to +70 °C

The TTP223B touch sensor features a built-in debounce circuit to prevent interference and has a low power consumption of less than 1 mA in standby mode. The sensor offers a fast response time of less than 60 ms and a long lifespan of over 100,000 cycles.