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Touch Screen Controller, 3-CH Capacitive, I2C, SMBus Interface, 3V or 5.5V Supply, TDFN-8


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Manufacturer Part No:
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Technical Datasheet:
CAP1203-1-AC3-TR   Datasheet
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Product Overview

The CAP1203-1-AC3-TR is a 3-channel Capacitive Touch Sensor incorporates RightTouch® technology with multiple channel. It contains individual capacitive touch sensor inputs with programmable sensitivity for use in touch sensor applications. Each sensor input is calibrated to compensate for system parasitic capacitance and automatically recalibrated to compensate for gradual environmental changes. The CAP1203 includes multiple pattern touch recognition 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.
  • 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
  • Analogue 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 sensor input monitored)
  • Samples one or more channels in Standby
  • SMBus/I²C compliant communication interface


Computers & Computer Peripherals, Consumer Electronics


ESD sensitive device, take proper precaution while handling the device. Market demand for this product has caused an extension in leadtimes. Delivery dates may fluctuate. Product exempt from discounts.

Product Information

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I2C, SMBus








MSL 1 - Unlimited

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Technical Documents (2)

CAD Downloads


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CAD Models - Notice
CAD Models and drawings are provided to you on a revocable limited licence for your internal use only but remain the property of the manufacturer who retain all intellectual property rights and ownership. They are provided to assist you in decision making and as design guide but are not guaranteed to be error free, accurate or up to date and is not intended to be taken as advice.
Use of these CAD models and other options provided are downloaded and used entirely at your own risk and by continuing you confirm acceptance of the above.

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