LDC1000 Inductance to Digital Converter

Texas Instruments' LDC1000 enables ultra-low-cost system solutions

Image of Texas Instruments' LDC1000 Inductance to Digital Converter Inductive sensing is a contact-less, short-range sensing technology that enables low-cost, high-resolution sensing of conductive targets in the presence of dust, dirt, oil, and moisture, making it extremely reliable in hostile environments. Using a coil which can be created on a PCB as a sensing element, the LDC1000 enables ultra-low-cost system solutions.

Inductive sensing technology enables precise measurement of linear/angular position, displacement, motion, compression, vibration, metal composition, and many other applications in markets including automotive, consumer, computer, industrial, medical, and communications. Inductive sensing offers better performance and reliability at lower cost than other competitive solutions.

The LDC1000 is the world's first inductance-to-digital converter, offering the benefits of inductive sensing in a low-power, small-footprint solution. The product is available in a SON-16 package and offers several modes of operation. An SPI interface simplifies connection to an MCU.

Interfacing different Sensor Coils with the LDC1000EVM
Inductive Sensing Technology: Limitless Design Possibilities
Getting started with the LDC1000EVM
LDC1000, A Revolution in Sensing

  • Magnet-free operation
  • Sub-micron precision
  • Adjustable sensing range (via coil design)
  • Lower system cost
  • Remote sensor placement (decoupling the LDC from harsh environments)
  • High durability (by virtue of contact-less operation)
  • Insensitivity to environmental interference (such as dirt, dust, water, oil)
  • Supply voltage, analog: 4.75 V to 5.25 V
  • Supply voltage, IO: 1.8 V to 5.25 V
  • Supply current (without LC tank): 1.7 mA

LDC1000 Inductance to Digital Converter

ImageManufacturer Part NumberDescriptionTypeResolution (Bits)Available Quantity
LDC1000NHRT datasheet linkIC INDUCTIVE TO DIGITAL CONVERTELDC1000NHRTIC INDUCTIVE TO DIGITAL CONVERTEInductance-to-Digital Converter16 b4091 - Immediate
9750 - Factory Stock
LDC1000NHRT product page link

Evaluation Board

ImageManufacturer Part NumberDescriptionSensor TypeInterfaceAvailable Quantity
LDC1000EVM datasheet linkEVAL BOARD FOR LDC1000LDC1000EVMEVAL BOARD FOR LDC1000Proximity, InductiveUSB83 - Immediate
LDC1000EVM product page link
Published: 2013-09-12