QST104 Datasheet - STMicroelectronics

Capacitive touch sensor device 4 keys

QST104 Features

* Patented charge-transfer design Up to 4 independent QTouch™ keys supported Individual key state outputs or I2C interface Fully “debounced” results Patented AKS™ Adjacent Key Suppression Self-calibration and auto drift compensation Spread-spectru

QST104 General Description

The QST104 is the ideal solution for the design of capacitive touch sensing user interfaces. Touch-sensitive controls are increasingly replacing electromechanical switches in home appliances, consumer and mobile electronics, and in computers and peripherals. Capacitive touch controls allow designers.

QST104 Datasheet (490.74 KB)