Smart force sensor reference design delivers new HMIs

May 24, 2016 // By Julien Happich
Design engineers can now rapidly evaluate and deploy new human-machine interface (HMI) devices using the MAXREFDES82# smart force sensor reference design from Maxim Integrated Products.

While typical weigh scales provide one dimension of information, the downward force, the MAXREFDES82# reference design provides both downward force and centre of mass. It does so by collecting responses from four load cells using the MAX11254, a 24-bit, 6-channel analog-to-digital converter (ADC). This unique configuration, enabled by the highly integrated 24-bit ADC, provides second and third dimensions of information about whatever object presses upon it. The chip's 64ksps capability provides real time operation with accurate measurements of weight and centre of mass up to 780g. The interface requires no special glass or material, making it suitable for industrial environments

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