The CAP1206 is a multiple channel capacitive touchsensor controller. It contains six (6) individual capacitivetouch sensor inputs with programmable sensitivityfor use in touch sensor applications.

Each sensor inputis calibrated to compensate for system parasitic capacitanceand automatically recalibrated to compensatefor gradual environmental changes.The CAP1206 includes Multiple Pattern Touch recognitionthat allows the user to select a specific set of buttonsto be touched simultaneously.

If this pattern isdetected, a status bit is set and an interrupt is generated.The CAP1206 has Active and Standby states, eachwith its own sensor input configuration controls.

Powerconsumption in the Standby state is dependent on thenumber of sensor inputs enabled as well as averaging,sampling time, and cycle time. Deep Sleep is the lowestpower state available, drawing 5µA (typical) of current.In this state, no sensor inputs are active, andcommunications will wake the device.

Applications

• Desktop and Notebook PCs

• LCD Monitors

• Consumer Electronics

• Appliances

Features

• Six (6) Capacitive Touch Sensor Inputs- Programmable sensitivity- Automatic recalibration- Calibrates for parasitic capacitance- Individual thresholds for each button

• Multiple Button Pattern Detection

• Power Button Support

• Press and Hold Feature for Volume-like Applications

• 3.3V or 5V Supply

• Analog Filtering for System Noise Sources

• RF Detection and Avoidance Filters

• Digital EMI Blocker

• 8kV ESD Rating on All Pins (HBM)

• Low Power Operation- 5µA quiescent current in Deep Sleep- 50µA quiescent current in Standby (1 sensorinput monitored)- Samples one or more channels in Standby

• SMBus / I2C Compliant Communication Interface

• Available in a 10-pin 3mm x 3mm DFN RoHScompliant package

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