4-channel, 28-bit inductance/digital converter for inductive sensing "LDC1614"
With support for multiple channels and remote sensing, we achieve high performance and reliability in inductive sensing at minimal cost and power consumption. It is user-friendly, requiring only a sensor frequency in the range of 1kHz to 10MHz for sensing. This wide sensor frequency range allows for the use of ultra-compact PCB coils, further reducing the cost and size of sensing solutions. High-resolution channels enable a very wide sensing range while maintaining excellent performance beyond the diameter of two coils. By enabling differential and ratiometric measurements, a single channel can be used to compensate for environmental conditions such as temperature, humidity, mechanical drift, and aging. With ease of use, low power consumption, and low system cost, it significantly enhances performance, reliability, and flexibility compared to existing sensing solutions, enabling new sensing capabilities in products across all markets, particularly in consumer and industrial applications. It can also be easily configured through an I2C interface. The package is WQFN-16, and evaluation modules and reference designs are also available.
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basic information
■Excellent usability: Minimal necessary configuration ■Measures up to 4 sensors with a single IC ■Multiple channels support compensation for environmental factors and aging ■Multi-channel remote sensing minimizes system costs ■Pin-compatible mid/high-resolution options * LDC1312/4: 2/4 channel 12-bit LDC * LDC1612: 2 channel 28-bit LDC ■Sensing range exceeds the diameter of 2 coils ■Supports a wide sensor frequency range from 1kHz to 10MHz ■Power consumption: 35µA in sleep mode, 200nA in shutdown mode ■Operates at 3.3V ■Supports internal or external reference clock ■Resistance to magnetic fields and magnets by DC
Price information
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Applications/Examples of results
Knobs for consumer devices/home appliances/automotive equipment, linear/rotary encoders, buttons for home electronics/wearables/manufacturing sites/automotive equipment, keypads for manufacturing sites/home appliances, slider buttons for consumer products, metal detection for industrial/automotive equipment, POS/EPOS, flow meters for consumer devices/home appliances, etc.
Company information
Texas Instruments (Headquarters: Dallas, Texas, USA; Chairman, President, and CEO: Rich Templeton; Abbreviation: TI) supports customers in developing new electronic devices that make the world "more convenient, healthier, safer, environmentally friendly, and enjoyable," and works together to solve challenges. TI has manufacturing, design, and sales locations in over 30 countries worldwide and continues to pursue innovation. TI's analog ICs and embedded processing support everyday life from behind the scenes in a society overflowing with digital devices. The company is actively investing in products and technologies for markets that will become increasingly important in the future, such as the environment, energy, healthcare, medical devices, and security. Technical Inquiry Contact TI Japan Product Information Center 【http://www.tij.co.jp/pic/】
