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MXD2002B Dataheets PDF



Part Number MXD2002B
Manufacturers Memsic
Logo Memsic
Description (MXD2002A/B) Dual Axis Accelerometer
Datasheet MXD2002B DatasheetMXD2002B Datasheet (PDF)

www.DataSheet4U.com Low Cost, ±10 g Dual Axis Accelerometer with Digital Outputs MXD2002A/B FEATURES Sck (optional) Internal O scillator Tem perature Sensor Voltage R eference Tout Dual axis accelerometer fabricated on a monolithic CMOS IC On-chip mixed mode signal processing Resolution better than 6 milli-g 50,000 g shock survival rating 30 Hz bandwidth 2.70V to 5.25V single supply operation Small (5mm x 5mm x 2mm) surface mount package Continuous self test Independently programmable axis .

  MXD2002B   MXD2002B



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www.DataSheet4U.com Low Cost, ±10 g Dual Axis Accelerometer with Digital Outputs MXD2002A/B FEATURES Sck (optional) Internal O scillator Tem perature Sensor Voltage R eference Tout Dual axis accelerometer fabricated on a monolithic CMOS IC On-chip mixed mode signal processing Resolution better than 6 milli-g 50,000 g shock survival rating 30 Hz bandwidth 2.70V to 5.25V single supply operation Small (5mm x 5mm x 2mm) surface mount package Continuous self test Independently programmable axis (factory special) C LK Vref H eater Control C ontinous Self Test X axis LPF A/D D out X Factory Adjust O ffset & G ain APPLICATIONS Automotive – Vehicle Security/Active Suspension/ABS HED Angle Control/Tilt Sensing Security – Gas Line/Elevator/Fatigue Sensing Office Equipment – Computer Peripherals/PDA’s/Mouse Smart Pens/Cell Phones Gaming – Joystick/RF Interface/Menu Selection/Tilt Sensing White Goods – Spin/Vibration Control Y axis LPF A/D D out Y 2-AX IS SENSO R Vdd Gnd Vda MXD2002A/B FUNCTIONAL BLOCK DIAGRAM The MXD2002A/B is a very low cost, dual axis accelerometer fabricated on a standard, submicron CMOS process. The MXD2002A/B measures acceleration with a full-scale range of ±10 g. (The MEMSIC accelerometer product line extends from ±1 g to ±10 g with custom versions available above ±10 g.) It can measure both dynamic acceleration (e.g., vibration) and static acceleration (e.g., gravity). The MXD2002A/B design is based on heat convection and requires no solid proof mass. This eliminates stiction and particle problems associated with competitive devices and provides shock survival up to 50,000 g, leading to significantly lower failure rates and lower loss due to handling during assembly. The MXD2002A/B provides a digital output (ref. other MEMSIC data sheets for analog or ratiometric analog outputs). The outputs are digital signals with duty cycles (ratio of pulsewidth to period) that are proportional to acceleration. The duty cycle outputs can be directly interfaced to a micro-processor. Information furnished by MEMSIC is believed to be accurate and reliable. However, no responsibility is assumed by MEMSIC for its use, nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of MEMSIC. The typical noise floor is .0015% duty cycle / Hz allowing signals below 6 milli-g to be resolved at 1 Hz bandwidth. The MXD2002A/B is available in a low profile LCC surface mount package (5mm x 5mm x 2mm height). It is hermetically sealed and operational over a -40°C to +105°C temperature range. Due to the standard CMOS structure of the MXD2002A/B, additional circuitry can easily be incorporated into custom versions for high volume applications. Contact the factory for more information. MEMSIC, Inc. 100 Burtt Road, Andover, MA 01810 Tel: 978.623.8188 Fax: 978.623.9945 www.memsic.com MEMSIC MXD2002A/B Rev.E Page 1 of .


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