Professional Touch Sensor Chip Supplier
WTC801SPI Touch sensitive eight keys + roller chip
Specification (V1. 1)
1. Brief introduction of the product
WTC801SPI is a Touch sensitive IC designed for touch-button of replacing mechanical type and mechanical
knob. It can achieve waterproof, dustproof, seal isolation, with solid and artistic operation interface.
A WTC801SPI can implement 8 keys and 1 roller (Slide bar).
1.2 Technical Parameters
Operating voltage: 2.4V<Vcc<5.5V
Output voltage range: GND<Vout<Vcc
Sensing thickness (insulating medium): 0-10mm，Maximum 10 mm
Response time of effective touch: Less than 150ms
Operating temperature: -40°C—+85°C
Storage temperature: -50°C—+125°C
State current: 18uA (3V power supply)
Dynamic current: 1.2 mA (3V power supply)
Wake-up mode: touch sensitive key to awaken
2. Main application
The touch sensitive control of electrical equipment, physical quantity regulation, such as the acoustic volume,
and the brightness of luminaires, lighting color, power temperature control of household appliances etc..
3. Definitions of WTC801SPI Pins
Figure 1：Pin Diagram of WTC801SPI
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