SX8661 Series 3.6 V Low Power Capacitive Button Touch & Proximity Controller

Mfr Part#: SX8661I07AULTRT
Mounting Method:  Surface Mount
Package Style:  MLPQ-28
Packaging:  Cut Tape
Std Packaging Qty:  3,000



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$1.64 USD (each)
400+ $1.64 (Save 7%)


Qty in Stock : 0
Factory Stock : N/A
Factory Lead-Time: N/A
Min. Order Qty: 3,000
Multiple of: 3,000
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Product Highlight

  • Supply Voltage: 2.7 to 3.6 V
  • Operating Temp Range: -40 to +85 °C

The SX8661 is an ultra low power, fully integrated 8-channel solution for capacitive touch-button and proximity detection applications.

Unlike many capacitive touch solutions, the SX8661 features dedicated capacitive sense inputs (that requires no external components) in addition to 8 general
purpose I/O ports (GPIO).


  • Complete 8 Sensors Capacitive Touch-Button Solution
  • Proximity Sensing up to several centimeters
  • High Resolution Capacitive Sensing
  • Up to 2 Analog Output Interfaces (AOI-A and AOI-B)
  • Support of buzzer for audible feedback
  • User-selectable Button Reporting Configuration
  • Extremely Low Power
  • Programmable Scanning Period from 15ms to several seconds
  • Auto Offset Compensation
  • Multi-Time In-Field Programmable Firmware Parameters for Ultimate Flexibility
  • No External Components per Sensor Input
  • Internal Clock Requires No External Components
  • Differential Sensor Sampling for Reduced EMI
  • Optional 400 KHz I²C Interface with Programmable Address
  • -40°C to +85°C Operation


  • LCD TVs, Monitors
  • White Goods
  • Notebook/Netbook/Portable/Handheld computers
  • Consumer Products, Instrumentation, Automotive
  • Mechanical Button Replacement

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For more information, please call 1-800-675-1619

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