This xCHIP is based on the CAP1296 which is a multiple channel capacitive touch sensor controller. Each sensor input is calibrated to compensate for system parasitic capacitance and automatically re-calibrated to compensate for gradual environmental changes. In addition, the CAP1296 can be configured to detect proximity on one or more channels with an optional signal guard to reduce noise sensitivity. The CAP1296 includes Multiple Pattern Touch recognition that allows the user to select a specific set of buttons to be touched simultaneously. If this pattern is detected, a status bit is set and an interrupt is generated.

Product Features

Six 4 Capacitive Touch Sensor Inputs

Proximity Detection

Applications

Desktop and Notebook PCs

LCD Monitors

Consumer Electronics

Appliances

Specifications

Based on CAP1296

Multiple Button Pattern Detection

Power Button Support

Press and Hold Feature for Volume-like Applications

I2C

Operating Ambient Temperature Range: -40 to 125 °C

Storage Temperature Range: -55 to 150 °C

Datasheet