TI introduces world’s first multichannel inductance-to-digital converters

(TI) announced the world's first multichannel inductance-to-digital converters (LDCs). The four new devices in the LDC1614 family expand the innovative LDC portfolio, a data converter category that TI first introduced in 2013. The devices offer two or four matched channels and up to 28-bit resolution in a single integrated circuit (IC).

The combination of precision and multichannel functionality will allow engineers to design high dynamic range position and motion sensing solutions with simpler system designs and reduced cost. Unlike other technologies, LDC-enabled inductive sensing employs low-cost, high-reliability inductors as sensors, which can be located remotely from the IC. By integrating up to four channels in a single IC, the LDC1614 family allows designers to distribute sensors throughout a system, while centralizing electronics on fewer printed circuit boards (PCBs). This can benefit precision linear or rotational sensing and metal detection in a variety of end equipment including white goods, printers, cameras and automotive infotainment consoles.Tools and support to jump-start design

System designers can build sensors in minutes with TI's WEBENCH® Inductive Sensing Designer.

This online tool simplifies sensor coil design based on application and system requirements. The optimized design can be easily exported to a variety of computer-aided design (CAD) programs to quickly incorporate the sensor coil into an overall system layout.

The 16-button keypad reference design (TIDA-00509) uses the LDC1314 in a multiplexed inductive keypad system, which can be easily scaled to allow for up to 64 buttons. This reference design uses stainless steel, snap dome-based keys, a low-cost technology option for buttons. The contactless solution supports simultaneous button press and provides a more robust and reliable design compared to mechanical keypad solutions. Other inductive sensing reference designs are available by searching the TI Designs reference design library.

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Ibrar Ayyub

I am an experienced technical writer holding a Master's degree in computer science from BZU Multan, Pakistan University. With a background spanning various industries, particularly in home automation and engineering, I have honed my skills in crafting clear and concise content. Proficient in leveraging infographics and diagrams, I strive to simplify complex concepts for readers. My strength lies in thorough research and presenting information in a structured and logical format.

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