LDC2114YFDT

ADCs/DACs - Special Purpose Overview

The LDC2114YFDT is a discontinued four-channel inductance-to-digital converter from Texas Instruments, designed for low-power human-machine interface applications. It features 12-bit resolution and operates on a single 1.71 V to 1.89 V supply within a -40°C to +85°C temperature range. The device integrates algorithms for touch sensing and force measurement, utilizing an I2C interface with a maximum clock frequency of 400 kHz. Packaged in a 16-DSBGA format, it provides dedicated logic outputs per channel.

ADCs/DACs - Special Purpose Feature Summary

• Four independent channels with 12-bit resolution for precise inductance measurement
• Integrated algorithms for environmental drift compensation and simultaneous button detection
• Ultra-low power consumption suitable for battery-operated devices
• I2C digital interface for simplified system integration

ADCs/DACs - Special Purpose Applications

• Touch buttons on metal, glass, plastic, or wood surfaces
• Force measurement in consumer electronics
• Smartphones and wearable devices
• Industrial control panels

ADCs/DACs - Special Purpose Part Context

The LDC2114YFDT belongs to the LDC2114 series of inductive touch solutions. It is part of a family that includes the two-channel LDC2112 variant. The component is classified under specialized data acquisition ADCs/DACs and serves as a direct replacement for legacy capacitive touch systems requiring robustness against environmental contaminants.

ADCs/DACs - Special Purpose Replacement Considerations

The LDC2114YFDT has reached end-of-life status. The manufacturer recommends the LDC2114YFDR as the direct substitute. Designers should verify package compatibility between the DSBGA variants during migration.