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CPT007B

Silicon Laboratories
Part Number CPT007B
Manufacturer Silicon Laboratories
Description Capacitive Touch Controller
Published Feb 12, 2016
Detailed Description TouchXpress™ Family CPT007B Data Sheet The CPT007B device, part of the TouchXpress family, is designed to quickly repla...
Datasheet PDF File CPT007B PDF File

CPT007B
CPT007B

Overview
TouchXpress™ Family CPT007B Data Sheet The CPT007B device, part of the TouchXpress family, is designed to quickly replace mechanical buttons with modern capacitive touch buttons by eliminating firmware complexity and reducing development time.
Supporting up to 7 capacitive sensor inputs in a 3 mm x 3 mm QFN package, the CPT007B is a highly-integrated device that provides a simple solution for adding capacitive touch.
The device also comes with advanced features like moisture immunity, wakeon proximity, and buzzer feedback for an enhanced user experience.
No firmware development is needed, and all the capacitive touch sense parameters can be configured using a simple GUI-based configurator.
By eliminating the need for complex firmware development, the CPT007B device enables rapid user interface designs with minimal development effort.
The CPT007B device is ideal for a wide range of capacitive touch applications, including the following: • Home appliances • Instrument / Control panels • White goods • Medical equipment • Consumer electronics • Lighting control KEY FEATURES • No firmware development required • Simple GUI-based configurator • 7 Capacitive Sensor inputs with programmable sensitivity • 7 General purpose outputs (GPOs) to communicate to the host processor or drive LEDs • Lowest power capacitive sense solution • Active — 200 µA • Sleep — 1 µA • Wake on proximity • Superior noise immunity: SNR up to 270:1 • Moisture immunity • Mutually-exclusive touch qualifier • Button touch time-out to avoid false touches • Buzzer output for audible touch feedback Input Features Capacitive Touch Sensing Features Proximity Wake Input Input Engine with 7 Inputs Touch Qualification MutuallyExclusive Touch Qualifier Configuration Profile for each Input Baselining Low Power State Touch Time-Out Machine Timer Lowest power mode with feature operational: Active Optimized Active Low Power Sleep Output Features Configurable Output Pin for each Input Optional Buzz...


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