LDC1612-Q1

ACTIVE

2-Ch, 28-bit, high-resolution automotive inductance to digital converter

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Product details

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Package | Pins | Size

WSON (DNT) 12 16 mm² 4 x 4 open-in-new Find other Inductive sensor AFEs

Features

  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1:–40°C to +125°C
      Ambient Operating Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C5
  • Easy-to-use – Minimal Configuration Required
  • Measure up to 4 Sensors with One IC
  • Multiple Channels Support Environmental and
    Aging Compensation
  • Multi-Channel Remote Sensing Provides Lowest
    System Cost
  • Pin-Compatible Medium and High-resolution
    Options
    • LDC1312-Q1/LDC1314-Q1: 2/4-ch 12-bit LDC
    • LDC1612-Q1/LDC1614-Q1: 2/4-ch 28-bit LDC
  • Sensing range beyond two coil diameters
  • Supports Wide Sensor Frequency Range of 1kHz
    to 10MHz
  • Power Consumption:
    • 35 µA Low Power Sleep Mode
    • 200 nA Shutdown Mode
  • 3.3V Operation
  • Support Internal or External Reference Clock
  • Immune to DC Magnetic Fields and Magnets
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Description

The LDC1612-Q1 and LDC1614-Q1 are 2- and 4-channel, 28-bit inductance to digital converters (LDCs) for inductive sensing solutions. With multiple channels and support for remote sensing, the LDC1612-Q1 and LDC1614-Q1 enable the performance and reliability benefits of inductive sensing to be realized at minimal cost and power. The products are easy to use, only requiring that the sensor frequency be within 1 kHz and 10 MHz to begin sensing. The wide 1 kHz to 10 MHz sensor frequency range also enables use of very small PCB coils, further reducing sensing solution cost and size.

The high resolution channels allow for a much larger sensing range, maintaining good performance beyond two coil diameters. Well-matched channels allow for differential and ratiometric measurements, which enable designers to use one channel to compensate their sensing for environmental and aging conditions such as temperature, humidity, and mechanical drift.

Given their ease of use, low power, and low system cost these products enable designers to greatly improve performance, reliability, and flexibility over existing sensing solutions and to introduce brand new sensing capabilities to products in all markets, especially consumer and industrial applications.

These devices are easily configured via an I2C interface. The two-channel LDC1612-Q1 is available in a WSON- 12 package and the four-channel LDC1614-Q1 is available in a WQFN-16 package.

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Technical documentation

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Type Title Date
* Datasheet LDC1612-Q1, LDC1614-Q1 Multi-Channel 28-Bit Inductance to Digital Converter (LDC) for Inductive Sensing datasheet Apr. 29, 2016
Application notes Common Inductive and Capacitive Sensing Applications (Rev. A) Mar. 30, 2020
Application notes Simulate Inductive Sensors Using FEMM (Finite Element Method Magnetics) Mar. 25, 2020
Application notes LDC1612 LDC1614 Linear Position Sensing (Rev. A) Nov. 13, 2019
Application notes Configuring Inductive-to-Digital-Converters for Parallel Resistance (RP) Variati (Rev. B) Nov. 11, 2019
Application notes LDC Device Selection Guide (Rev. C) Nov. 11, 2019
Application notes LDC Sensor Design (Rev. B) Nov. 08, 2019
Application notes LDC1xxx LDC Target Design (Rev. A) May 09, 2017
Application notes EMI Considerations for Inductive Sensing Feb. 22, 2017
Application notes LDC1312, LDC1314, LDC1612, LDC1614 Sensor Status Monitoring Oct. 09, 2016
User guides LDC131x and LDC161x EVM User’s Guide (Rev. A) Sep. 21, 2016
Application notes Setting LDC1312/4, LDC1612/4, and LDC1101 Sensor Drive Configuration Apr. 05, 2016
Application notes Inductive Sensing Touch-On-Metal Buttons Design Guide Mar. 30, 2016
Application notes Power Reduction Techniques for the LDC131x/161x for Inductive Sensing Mar. 18, 2016
Application notes Optimizing L Measurement Resolution for the LDC161x and LDC1101 Feb. 12, 2016
Application notes Measuring Rp of an L-C Sensor for Inductive Sensing Oct. 01, 2015
User guides LDC Reference Coils User’s Guide May 14, 2015

Design & development

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

Hardware development

EVALUATION BOARDS Download
document-generic User guide
$99.00
Description

The LDC1612 Evaluation Module demonstrates the use of inductive sensing technology to sense and measure the presence, position or composition of a conductive target object. The module includes two example PCB sensor coils that connect to the two channels of the LDC1612. An MSP430 (...)

Features
  • Multiple board perforations: provide maximum evaluation and system design flexibility
  • Includes example sensor coils for the different channels
  • Operates via PC
  • Accompanying GUI for quick concept demonstration and data capture
  • EVM design accelerates prototyping of end application
EVALUATION BOARDS Download
document-generic User guide
$29.00
Description

The LDCCOILEVM is designed to provide maximum flexibility for system prototyping and allow for experimentation with different coil sizes. It includes 19 unique types of PCB coils that range from long rectangular asymmetric coils to small circular coils 3mm in diameter. Every coil is separated by (...)

Features
  • 19 different types of coils
  • Perforated edges to separate and use remotely
  • Smaller coils have extra pads for a series inductor
GUIS FOR EVALUATION MODULES (EVM) Download
SNOC028F.ZIP (61513 KB)

Design tools & simulation

SIMULATION MODELS Download
SNIM002.ZIP (26 KB) - IBIS Model
CALCULATION TOOLS Download
SLYC137E.ZIP (3713 KB)

CAD/CAE symbols

Package Pins Download
WSON (DNT) 12 View options

Ordering & quality

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