LDC1314 inductance-to-digital converter evaluation module: 16 button keypad
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The LDC1314's unique inductive sensing capability is used to implement a contactless, 16 button, multi-function keypad. It uses standard PCB technology and easily manufactured components to implement a low cost solution.

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

  • 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

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LDC1314 Inductance-to-Digital Converter Evaluation Module


Pricing may vary.

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

Technical Documents
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 (1)

TI Devices (3)

Part Number Name Product Family
LDC1314  4-Ch, 12-bit, general purpose inductance to digital converter  Specialty sensors 
LP2985  150mA Low-Noise Low-Dropout Regulator With Shutdown  Power management 
MSP430F5528  25 MHz MCU with Integrated USB Phy, 128KB Flash, 8KB RAM, 12Bit/10 Channel ADC, 32BIT HW Multiplier  Microcontrollers (MCU) 

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