4-channel low noise inductance/digital converter 'LDC2114'
The "LDC2114" is an inductive touch solution for low-power HMI button applications. Inductive sensing technology enables the design of touch buttons for human-machine interfaces (HMI) on various materials such as metal, glass, plastic, and wood by measuring slight distortions of inductive targets. The sensors for the inductive touch system can be implemented on a small PCB on the back of the panel, allowing for protection from the surrounding environment. The inductive sensing solution does not react to humidity or non-conductive contaminants such as oil and mud. The deformation of the inductive target can be automatically corrected. The "LDC2114" incorporates algorithms for implementing inductive touch applications. It uses innovative LC resonators to achieve a high noise/interference rejection rate. Additionally, it can reliably detect distortions of less than 200nm in materials. Furthermore, it features an ultra-low power mode for power on/off buttons in battery-operated applications. An evaluation module is also available. *For more details, please contact us.*
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basic information
【Features】 ■Low power consumption ・1 button: 0.625SPS at 6μA ・2 buttons: 20SPS at 72μA ■Configurable button scan rate: 0.625SPS to 80SPS ■Measurement of touch button pressure levels ■Independent operation of channels: 4 channels ■Functions enabled by built-in algorithms ・Pressure threshold adjustment for each button ・Environmental shift compensation ・Simultaneous button push detection ■Supports independent operation without MCU ■Robust EMI performance: Compliant with CISPR22 and CISPR24 ■Operating voltage range: 1.8V ± 5% ■Temperature range: -40℃ to +85℃ ■Interface ・I2C ・Dedicated logic output for each channel ■16-pin DSBGA or TSSOP package *For more details, please contact us.
Applications/Examples of results
【Usage】 ■ Smartphones, smartwatches, wearables, smart speakers, tablets/PCs, virtual reality (VR) headsets, sound bars, TVs, handheld devices, home appliances, HMI panels/keypads, etc. *For more details, please contact us.
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/】
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