DESCRIPTION

· The IQS316 is a 20-channel surface capacitive touch and proximity controller with advanced on-chip signal processing features, including Antenna Tuning Implementation (ATI).

· It offers high flexibility for stable operation in various designs, with proximity detection distributed over all keys or selected keys.

· Based on patented capacitive sensing technology, it ensures stability, high sensitivity, and excellent noise immunity.

· Operates with minimal external components, providing a cost-effective solution for medium to high channel count applications.

FEATURES

· 16 Touch Keys with distributed Proximity Sensing.

· Internal Capacitor Implementation (ICI), eliminating the need for external reference capacitors.

· Class-leading proximity sensitivity with dedicated Prox Mode charging scheme.

· User-selectable gain through Antenna Tuning Implementation (ATI).

· All channels individually configurable for maximum design flexibility.

· Advanced on-chip signal processing.

· User-selectable I2C and SPI communication.

· High sensitivity internal voltage regulator.

· Supply voltage range: 2.85V to 5.5V.

· Low power modes (45uA).

· Active shield options and RF detection.

· Available in QFN (5x5)-32 package with 8 General Purpose I/O’s.

APPLICATIONS

· Office machines.

· Digital cameras.

· Keypads.

· High-end kitchen appliances.

· Personal Media Players.

· Consumer Electronics.

· White goods and appliances.

· Kiosk and POS Terminals.

· Launch a menu on user approaching.