Mouser Electronics stocks inductive touch converters from TI
Mouser Electronics stocks inductive touch converters from TI: Distributor, Mouser Electronics, now stocks the LDC2114 inductive touch, multi-channel, low noise inductance-to-digital converters from Texas Instruments (TI).
The distributor has also announced that it will soon add the LDC2112 inductive touch model to its offering, both new additions to the manufacturer’s sensing solutions.
Inductive sensing technology enables touch button design on a wide variety of materials, such as metal, glass, plastic, and wood, by measuring small deflections of conductive targets. The sensor for an inductive touch system is a coil that can be implemented on a small, compact PCB located behind a panel and protected from the environment.
Both the LDC2114 and LDC2112 are 1.8V, multi-channel low-noise inductance-to-digital converters with integrated algorithms to implement inductive touch applications. The two-channel LDC2112 and four-channel LDC2114 employ an innovative inductive-capacitive (LC) resonator that offers high rejection of noise and interference, claims the company, with a range of oscillation frequencies from 1.0 to 30MHz. Sensitivity is adjustable on each input channel, allowing the converter to detect material deflections of less than 200nm with a range of physical button structures and materials. The high-resolution measurement enables multi-level buttons to be used.
The LDC2112 and LDC2114 operate in a low power (6microA) mode, or can be toggled into a higher scan rate for more responsive button press detection, for game play or other low-latency applications. The devices are configured through 400Hz I²C. The only external components necessary for operation are supply bypass capacitors and a COM pin capacitor to ground.
The converters are suitable for wearable devices, smartphones, tablets and PCs, VR headsets, remote controls, and HMI panels and keypads.
The LDC2114EVM evaluation module is also available. It can connect up to four buttons using the LDCCOILEVM or customised coils designed using the WEBENCH Inductive Sensing Designer. The board offers integrated and configurable algorithms for button press detection with on-board LED indicators.
Mouser Electronics stocks inductive touch converters from TI: http://www.mouser.com
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