CAP1298-1-A4-TR Part Information

Details for CAP1298-1-A4-TR by Microchip Technology

CAP1298

Part Description

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.  

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Part Features

  • Key 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 Communication interface
  • I²C™ and SMBus Operating Conditions
  • 3.0V to 5.5V Package type
  • 16-pin QFN, 14-pin SOIC

Part Specifications

Product Type Proximity/Keys/Slider
Product Family cap1xxx
Input Channels 8
Max Number of keys 8
Proximity detection Yes
Measurement Principle Self Capacitance
Power Modes 3
Interface I2C
Other Features Signal Guard/Driven Shield
Voltage Min. (V) 3.00
Voltage Max. (V) 5.50
Temperature Range -40C to +125C

Alternative Part Descriptions

  • Capacitive Touch Sensor, I2C, SMBus, 3 V, 5.5 V, QFN, 16, -40 C RoHS Compliant: Yes | Newark Electronics
  • CAP1298 Series 5.5 V 120 uA 8-Channel Capacitive Touch Sensor - QFN-16 3x3 | Future Electronics EMEA
  • Capacitive Touch Sensor 16-Pin QFN T/R | Avnet America
  • 8-Channel Capacitive Touch Sensor16 QFN 3x3x0.9mm T/R | Allied Electronics & Automation
  • Capacitive Touch Sensor 16-Pin QFN T/R | Avnet Europe
  • Touch sensor [Microchip] CAP1298-1-A4-TR Touch sensor | Distrelec
  • CAP1298 Series 5.5 V 120 uA 8-Channel Capacitive Touch Sensor - QFN-16 3x3 | Future Electronics

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