Product details

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WSON (NHR) 16 20 mm² 5 x 4
  • Remote sensor placement (decoupling the LDC from
    harsh environments)
  • High durability (by virtue of contactless operation)
  • Higher flexibility for system design (using coils or
    springs as sensors)
  • Insensitive to non-conductive environmental interferers
    (such as dirt, dust, oil etc.)
  • Magnet-free operation
  • Sub-micron precision
  • Supply Voltage: 5 V, typ
  • Supply voltage, IO: 1.8V to 5.5V
  • Stand-by current: 250µA, typ
  • Rp resolution: 8-bit
  • L resolution: 24-bit
  • LC frequency range: 5kHz to 5MHz
  • Remote sensor placement (decoupling the LDC from
    harsh environments)
  • High durability (by virtue of contactless operation)
  • Higher flexibility for system design (using coils or
    springs as sensors)
  • Insensitive to non-conductive environmental interferers
    (such as dirt, dust, oil etc.)
  • Magnet-free operation
  • Sub-micron precision
  • Supply Voltage: 5 V, typ
  • Supply voltage, IO: 1.8V to 5.5V
  • Stand-by current: 250µA, typ
  • Rp resolution: 8-bit
  • L resolution: 24-bit
  • LC frequency range: 5kHz to 5MHz

Inductive sensing is a contactless, short-range sensing technology enabling high-resolution and low-cost position sensing of conductive targets, even in harsh environments. Using a coil or spring as a sensor, the LDC1041 inductance-to-digital converter provides system designers a way to achieve high performance and reliability at a lower system cost than other competing solutions.

The LDC1041 is pin compatible with the LDC1000 (16-bit Rp/24-bit L) and the LDC1051 (8-bit Rp). This family of devices offers system designers different resolution options based on their application and system requirements.

The LDC1041 is available in a 5mm x 4mm WSON-16 package. Device programming via SPI allows for easy configuration using a microcontroller.

Inductive sensing is a contactless, short-range sensing technology enabling high-resolution and low-cost position sensing of conductive targets, even in harsh environments. Using a coil or spring as a sensor, the LDC1041 inductance-to-digital converter provides system designers a way to achieve high performance and reliability at a lower system cost than other competing solutions.

The LDC1041 is pin compatible with the LDC1000 (16-bit Rp/24-bit L) and the LDC1051 (8-bit Rp). This family of devices offers system designers different resolution options based on their application and system requirements.

The LDC1041 is available in a 5mm x 4mm WSON-16 package. Device programming via SPI allows for easy configuration using a microcontroller.

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Technical documentation

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Type Title Date
* Data sheet LDC1041: 8-bit Rp, 24-bit L Inductance-to-Digital Converter with SPI datasheet 13 Mar 2014
Application note Common Inductive and Capacitive Sensing Applications (Rev. B) 22 Jun 2021
Application note Simulate Inductive Sensors Using FEMM (Finite Element Method Magnetics) (Rev. A) 16 Jun 2021
Application note LDC Device Selection Guide (Rev. D) 15 Jun 2021
Application note Sensor Design for Inductive Sensing Applications Using LDC (Rev. C) 21 May 2021
Application note LDC Target Design (Rev. B) 13 May 2021
User guide LDC1000/LDC1001/LDC1041/LDC1051 Evaluation Module User's Guide (Rev. B) 15 Nov 2019
Application note Using Multiple Sensors With LDC100x (Rev. A) 12 Nov 2019
Application note Configuring Inductive-to-Digital-Converters for Parallel Resistance (RP) Variati (Rev. B) 11 Nov 2019
Technical article How to use the LDC calculations tool 10 Nov 2016
Application note Measuring Rp of an L-C Sensor for Inductive Sensing 01 Oct 2015
User guide LDC Reference Coils User’s Guide 14 May 2015
Technical article Inductive sensing: Sensor frequency constraints 21 Nov 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

GUI for evaluation module (EVM)

Sensing Solutions EVM GUI Tool v1.10.0 (Rev. F)

SNOC028F.ZIP (61513 KB)
Calculation tool

Inductive Sensing Design Calculator Tool (Rev. G)

SLYC137G.ZIP (3737 KB)
Reference designs

TIDA-00215 — Distance and Weight Measurement Using Inductive Sensing Reference Design

The Distance and Weight Measurement Using Inductive Sensing Reference Design is a sub-system design which converts a distance measurement to a weight measurement. This design is intended as a reference design for building automation and weigh scale applications. In mechanical systems, there are (...)
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WSON (NHR) 16 View options

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