8 Channel Capacitive Touch Controller

The LDS6104 PureTouch® capacitive touch sensor IC is a highly accurate solution for capacitive touch sensor applications, supporting a wide variety of possible touch input types including buttons, scroll wheels, and sliders. The device contains 8 capacitive sensor input pins, 4 of which may be optionally configurable as Direct Communication Mode (DCM) outputs to emulate mechanical button operation.


  • 8 touch sensor channels
  • 2ms update rate per active sensor
  • Built-in Slider/Scroll Support
  • Configurable hysteresis and debounce
  • 1.65-5.5v supply voltage
  • <125uW (full power), <50uW (low power)
  • I2C, SPI, SMBus serial I/F options with VDDIO
  • DCM Outputs
  • TQFN and SSOP packages available

Product Options

Orderable Part ID Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
LDS6104NQGI8 NQG28 VFQFPN 28 I Yes Reel Availability
LDS6104PYGI8 PYG28 SSOP 28 I Yes Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
LDS6100 Family Datasheet (Rev 0.7 April 2012) Datasheet PDF 711 KB Apr 16, 2012
Application Notes & White Papers
LDS610x Family AN2 Ref Code and Initialization Application Note PDF 1.77 MB Dec 11, 2012
PDN# : PA-12-02R1 PRODUCT DISCONTINUANCE NOTICE Product Discontinuation Notice PDF 56 KB Jul 24, 2013
IDT Pure Touch Product Selector Guide Misc PDF 19 KB Jan 26, 2011
LDS6104-6124 Register Document (Rev 0.2 - Apr 2010) Report PDF 227 KB Apr 4, 2010
IDT Touch 6100/6120 Family flyer Flyer PDF 1022 KB Dec 17, 2009