Azoteq IQS127D / IQS128 ProxSense™
Capacitive Proximity / Touch Controllers
The Azoteq IQS127D and IQS128 are high-performance IQ Switch® - ProxSense™ Single-Channel Capacitive Proximity/Touch Controllers. Azoteq IQS127D ProxSense features dual touch and proximity outputs and Automatic Antenna Tuning Implementation (ATI) for automatic adjustment for optimal performance. The IQS128 features Dynamic Calibration (DYCAL™) technology, providing intelligent hysteresis to allow for sensor drift even during sensor activation. Azoteq IQS127D and IQS128 single-channel capacitive proximity/touch controllers feature Internal Capacitor Implementation (ICI) reference capacitor on-chip. The IQS127D is designed for use in LCD, Plasma, and LED TVs, GSM cell phones (on ear detection / touch keys), LED flashlights or head lamps, and more. The IQS128 is optimized for 3-D glasses, occupancy sensors, personal media players, and more.