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Semtech launches SX9300 proximity sensor

Posted: 26 Jul 2012 ?? ?Print Version ?Bookmark and Share

Keywords:proximity sensor? human body detection? inert object discrimination?

Semtech Corporation is now marketing the SX9300, an ultra-low power capacitive proximity sensor with on-chip Specific Absorption Rate (SAR) engine for human body detection.

This robust and cost effective proximity sensor enables true discrimination between a human body and inert material. This unique feature enables mobile and tablet PC manufacturers to comply with SAR regulation for optimized data and voice communication quality of service.

The SX9300 platform is part of Semtech's touch Interface family. This high sensitivity-sensing device features a dual-channel design with built-in human body discrimination on two distinct sets of sensors. This configuration is optimized for multiple axis proximity detection with very tiny sensor areas.

The SX9300 is intended for handheld connectivity devices requiring SAR regulation compliance such as mobile and tablet PC devices with 3G/4G/WCDMA mobile connectivity and Wi-Fi/mobile hotspots.

Unlike other capacitive proximity solutions, Semtech offers a very reliable discrimination in detecting a human body versus an object. The company said their solution also enables optimum wireless connectivity experience to the user.

The SX9300 is offered in a space-saving 3mm x 3mm thin 20-QFN package. Semtech provides a variety of small form factor sensor reference designs especially adapted to tablet PCs. Semtech guarantees all of these devices to operate over the extended (-40C to +85C) temperature range.

While these products offer designers the benefit of significant board space savings, their small size and RoHS & WEEE compliance also contributes to energy conservation and hazardous waste reduction.

Product applications include SAR compliant systems; Tablet PC/e-book; portable gaming devices; notebooks;

mobile phones and mobile hotspots.

The SX9300 is available in production quantities and is priced at $0.56 each in 10,000-piece lots.

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