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MEMS Accelerometers suit engine anti-vibration applications.

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October 18, 2013 - Measuring 7.0 x 8.6 x 3.3 mm and constructed from single crystal silicon, SCA720 Series employs capacitive sensing techniques for sensitive measurement and optimized offset stability. Internal inert gas damping provides mechanical low-pass filter that cuts off above 115 Hz. With analog output, SCA720 Series can be placed away from controlling unit without interference. Qualified to AEC-Q100 standard, devices are suited for electrically controlled suspension and engine anti-vibration applications.

Analog MEMS Accelerometer Suits Engine Anti-vibration and Electrically Controlled Suspension Applications


Murata Power Solutions
11 Cabot Blvd.
Mansfield, MA, 02048
USA



Press release date: October 8, 2013

Hoofddorp, Netherlands: Murata today announced the SCA720 series of analog MEMS accelerometers aimed specifically at electrically controlled suspension and engine anti-vibration applications. Measuring only 7.0 x 8.6 z 3.3 mm and constructed from a single crystal silicon, the sensor is mechanically robust and has no deformation up to 70 000g. The accelerometer’s 3D structure employs capacitive sensing techniques that give it extremely sensitive measurement characteristics and excellent offset stability. Internal inert gas damping of the MEMS sensing element provides a mechanical low-pass filter that cuts off above 115 Hz and provide a good stable amplitude output and noise filtering.

By using an analog output, the SCA720 can be placed a good distance away from the controlling unit without any interference to the sensors output. This flexibility of mounting is ideal for electrically controlled suspension (ESC) since it allows the freedom to place sensors where required rather than having to be concerned about the length of sensor connections.

Measurement of Z-axis movement is possible with Murata’s unique Z-axis sensing element when mounted flat on a PCB that is positioned in an orientation parallel to the vehicle. The sensor is earth gravity compensated with a +1 g offset where Vout is +2.5 VDC. Measurement range is 2.11g in both directions, providing a Vout in the range from 0 to +5 VDC.

To aid manufacturing and test processes, the MEMS sensor has all component, element and ASIC process and test data traceable from a 2D-matrix label affixed to the top of the device.

The SCA720 is validated to the stringent automotive component qualification standard AEC-Q100.

For further information and reader enquiries:
Aya Tonooka, Murata Europe Limited. Oak House, Ancells Road, Ancells Business Park, Fleet, Hampshire  GU51 2QW , United Kingdom
Tel: +44 (0) 1252 811666 
Fax:  +44 (0) 1252 811777
E-mail: atonooka@murata.co.uk
Web: www.murata.eu

About Murata
Murata is a leading manufacturer of electronic components, modules, and devices. The complete range of this Technology house includes ceramic capacitors, resistors/thermistors, inductors/chokes, ceramic resonators, buzzers, sensors and EMI suppression filters. Whilst the company gets the majority of its revenue from its ceramic capacitor products, it is also the world leader in Bluetooth® & WiFi™ Modules, the world's no.1 manufacturer of board-mount DC-DC converters and is a key manufacturer of standard and custom AC-DC power supplies. Murata also designs and manufactures mobile handset antenna families, piezoelectric actuators for fuel injection systems and short focal length ceramic lenses.

Established in 1944, Murata is headquartered in Japan and has European offices in Germany, the Netherlands, the UK, Switzerland, Italy, France, Spain, Finland and Hungary.

For more information on Murata, please visit: www.murata.eu. You can also follow us on Twitter @MurataEurope or LinkedIn http://www.linkedin.com/company/murata-electronics, or join us on Facebook at http://www.facebook.com/MurataElectronics.
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