LDC1314 inductance-to-digital converter evaluation module: 16 button keypad
This product has been released to the market and is available for purchase. For some products, newer alternatives may be available.

Description & Features

Technical documentation

Support & Training

Order Now


The LDC1314KEYPAD evaluation module implements a 16 snap dome button keypad using only one LDC1314 to multiplex all 16 buttons.

This design uses the LDC1314 but can also be replicated with the LDC1312, LDC1612 and LDC1614.

Evaluation steps

Step 1: Purchase the LDC1314KEYPAD-EVM
Step 2: Download the LDC1314KEYPAD-EVM user's guide

  • Contactless buttons, with superior reliability over electrical/mechanical contact solutions
  • Can be easily used to implement ruggedized, environmentally sealed keypad and keyboard solutions for harsh environments
  • Supports simultaneous button presses
  • Temperature stable
  • Easily scalable to larger key arrays

Order Now
Part Number Buy from Texas Instruments or Third Party Buy from Authorized Distributor Status

LDC1314 Inductance-to-Digital Converter Evaluation Module


Pricing may vary.

Contact a Distributor  

TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation
User guides (1)
Title Type Size (KB) Date
PDF 1917 24 Jun 2016
More literature (1)
Title Type Size (KB) Date
PDF 38 02 Jan 2019

Software development (1)

Reference Designs (1)

Name Part Number Tool Type
16-button Inductive Keypad Reference Design Using the LDC1314 Inductance-to-Digital Converter  TIDA-00509  Reference design 

TI Devices (2)

Part Number Name Product Family
LDC1314  4-Ch, 12-bit, general purpose inductance to digital converter  Specialty sensors 
LP2985  150-mA, 16-V, low-dropout voltage regulator with enable  Power management 

Support & training

Search our extensive online knowledge base where millions of technical questions and answers are available 24/7.

Search answers from TI experts

Content is provided 'AS IS' by the respective TI and Community contributors and does not constitute TI specifications.
See terms of use.

If you have questions about quality, packaging, or ordering TI products visit our Support page.

Technical articles