CAP1298

The CAP1298 is a turnkey capacitive touch controller providing a wide variety of  button and proximity functionality, and making it easy for designers to add 
aesthetically pleasing, low-cost and robust touch interfaces. It also offers improved proximity detection with its Signal Guard option.  

Features
  • 8 Capacitive Touch Sensor inputs
  • Programmable sensitivity
  • Automatic recalibration
  • Combo Mode: Key and Proximity
  • Press and Hold feature for Volume-like Applications
  • Power Button support
  • Signal Guard
  • Low Power operations
  • 8kV protection
  • I²C™ and SMBus
  • 3.0V to 5.5V
  • 16-pin QFN
Parameter
Parameter Name Value Value
Product Type Proximity/Keys/Slider Proximity/Keys/Slider
Input Channels 8 8
Proximity detection Yes Yes
Measurement Principle Self Capacitance Self Capacitance
Power Modes 3 3
Interface I2C I2C
Features Signal Guard Signal Guard
Voltage Range 3.0V - 5.5V 3.0V - 5.5V
Documents
CAP1298 - 8-Channel Capacitive Touch Sensor Controller with Proximity DetectionData Sheets08/27/2015731KB
AN1325 - mTouch Metal Over Cap TechnologyAppNote09/28/2010409KB
AN1334 - Techniques for Robust Touch Sensing DesignAppNote05/09/20132254KB
AN1492 - Microchip Capacitive Proximity Design GuideAppNote02/25/2013741KB
AN1626 - Implementing Metal Over Capacitive Touch SensorsAppNote01/29/20151594KB
AN2034 - CAP1XXX Touch Key Controller Tuning GuideAppNote11/19/2015863KB
Touch and 3D Gesture Control BrochureBrochures07/15/20163885KB
CAP1xxx Evaluation Board Quick Start GuideUser Guides11/11/2013635KB
CAP1xxx Evaluation Board User's GuideUser Guides11/12/20134082KB
Ordering Information
Part NumberLeadsPackage TypeTemp RangePacking1+26+100+1000+5000+
CAP1298-1-A4-TR16QFN-40C to +125CT/R0.940.870.780.720.69
CAP1298-1-SL14SOIC-40C to +125CTUBE0.890.810.740.680.64
CAP1298-1-SL-TR14SOIC-40C to +125CT/R0.910.830.750.690.66
CAP1298-2-SL-TR14SOIC-40C to +125CT/R**********
相关开发工具
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RoHS Information
PartNumberDeviceWeightShippingWeightLeadCountPackageTypePackageWidthSolderCompositionJEDECIndicatorRoHSChinaEFUP
CAP1298-1-SL0.1432000.28070214SOIC.150In(3.90mm)Matte Tine3
CAP1298-1-SL-TR0.1432000.32500014SOIC.150In(3.90mm)Matte Tine3
CAP1298-2-SL-TR0.1432000.32500014SOIC.150In(3.90mm)Matte Tine3
CAP1298-1-A40.0216000.00000016QFN3x3x0.9mmMatte Tine3
CAP1298-1-A4-TR0.0216000.11400016QFN3x3x0.9mmMatte Tine3
CAP1298-2-A4-TR0.0216000.11400016QFN3x3x0.9mmMatte Tine3
CAP1298 - 8-Channel Capacitive Touch Sensor Controller with Proximity Detection CAP1298
AN1325 CAP1214
AN1334 CAP1214
AN1492 CAP1214
AN1626 DM160222
AN2034 CAP1114
Touch and 3D Gesture Control Brochure DV102014
CAP1xxx Evaluation Board Quick Start Guide DM160222
CAP1xxx Evaluation Board User's Guide DM160222
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