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Alps shrinks geomagnetic sensor by 60%, doubles range

27 Mar 2013

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Geomagnetic sensor

Alps Electric has recently unveiled the HSCDTD008A geomagnetic sensor. The company's latest sensor is housed in a 1.6×1.6×0.7-mm LGA package, 60 per cent smaller than earlier HSCD series models, while delivering twice the dynamic range.

The device is capable of measuring magnetic field strengths of ±2.4 mT on each of its three axes and provides an output resolution of 0.15µT/LSB.

Geomagnetic sensors in the HSCD series are intended for use in compact electronic equipment, such as smart phones, mobile devices, wristwatches, and game consoles. The size reduction and wider measurement range of the HSCDTD008A are the result of applying a thin-film process and magnetic simulation technology. Low noise and high resolution are achieved with an ASIC designed in-house at the company's Sendai R&D Center. The sensor also employs an Alps-developed algorithm that allows calibration with a natural user action.

Sample price for the HSCDTD008A geomagnetic sensor is $10.

Datasheet for the HSCDTD008A geomagnetic sensor can be found here.

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