See datasheet for actual packaging/pinout drawings

Packaging

Package | PIN:

YFD | 16

Temp:

I (-40 to 85)

ECO Plan:

Green (RoHS & no Sb/Br)

LDC2114YFDR


4-Channel HMI Inductive Touch Buttons for Consumer and Low-Power Applications

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1 - 9 $ 2.83
10 - 24 $ 2.43
25 - 99 $ 2.39
100 - 249 $ 1.95
250 - 499 $ 1.92
500 - 749 $ 1.61
750 - 999 $ 1.33
1000 - 9999 $ 1.10

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Texas Instruments LDC2114YFDR

Inductive sensing technology enables touch button design for human machine interface (HMI) 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 PCB located behind the panel and protected from the environment. Inductive sensing solution is insensitive to humidity or non-conductive contaminants such as oil and dirt. It is able to automatically correct for any deformation in the conductive targets.

The LDC2112/LDC2114 is a multi-channel low-noise inductance to digital converter with integrated algorithms to implement inductive touch applications. The device employs an innovative LC resonator that offers high rejection of noise and interference. The LDC2112/LDC2114 can reliably detect material deflections of less than 200 nm.

The LDC2112/LDC2114 includes an ultra-low power mode intended for power on/off buttons in battery powered applications.

The LDC2112/LDC2114 is available in a 16-pin DSBGA or TSSOP package. The 0.4 mm pitch DSBGA package has a very small 1.6 × 1.6 mm nominal body size with a maximum height of 0.4 mm. The 0.65 mm pitch TSSOP package has a 5.0 × 4.4 mm nominal body size with a maximum height of 1.2 mm.

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