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Piezo-Resistive Three-Axis Sensor is 1/5th the Size of Previous Generation

Fri, 10/19/2007 - 7:39am

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HAAM-325B piezo-resistive three-axis acceleration sensor - HDK America - BHDK-America has announced its piezo-resistive three-axis acceleration sensor that measures 3 mm × 3 mm × 1 mm. The HAAM-325B is 1/5th the size of the previous generation product, and it offers a fully comparable performance. Based on a silicon substrate and fabricated by means of a micro-machining MEMS technology, it has a high-output sensitivity of 400 mV/G (Vcc=3V). The device can detect minute amounts of three-axis dynamic acceleration in the X, Y and Z axis, and outputs tilt and gravitational acceleration data simultaneously. Two separate terminals of interrupt output for drop detection and shock detection are now provided in addition to a conventional standby terminal. These sensors are well suited for portable consumer or business product applications, especially where a hard drive should be protected from a fall. Typical applications are to protect the hard drive of a laptop computer, MP3 player, instrument or smart cell phone. If a "free-fall" condition is sensed, the HAAM-325B can signal the hard drive to lock down before impact. Acceleration or position can be sensed to trigger other functions such as a screen change from portrait to landscape, or an alarm to call attention to a device being dropped or moved. Pricing is $26 each in sample quantities.
HDK-America
847-382-9411, www.hdk-america.com 

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