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MXA2500EL

Ultra Low noise Offset Drift +/- 1g Dual Axis Accelerometer with Analog Outputs

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BR852501 16.79

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Better than 1 milli-g resolution Dual axis accelerometer fabricated on a monolithic CMOS IC On-chip mixed mode signal processing No moving parts 50,000 g shock survival rating 17 Hz bandwidth expandable to >160 Hz 3V to 5.25V single supply continuous operation Small (5mm x 5mm x 2mm) surface mount package Continuous self test Custom programmable specifications Independent axis programmability (special order). Click here for the Summary of Memsic Products.

The MXA2500E is an ultra low noise and low cost, dual axis accelerometer fabricated on a standard, submicron CMOS process. It is a complete sensing system with on-chip mixed mode signal processing. The MXA2500E measures acceleration with a full-scale range of +/- 1g and a sensitivity of 500mV/g at 25C. (The MEMSIC accelerometer product line extends from +/- 0.5g to +/- 250g with custom versions available above +/- 10g.) It can measure both dynamic acceleration (e.g., vibration) and static acceleration (e.g., gravity). The MXA2500E 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 of 50,000 g, leading to significantly lower failure rates and lower loss due to handling during assembly.

The MXA2500E provides an absolute analog output . The typical noise floor is 0.2 mg / allowing signals below 1 milli-g to be resolved at 1 Hz bandwidth. The 3dB rolloff of the device occurs at 17 Hz but is expandable to >160 Hz (ref. Application Note AN-00MX-003). The MXA2500E is available in a low profile LCC surface mount package (5 mm x 5 mm x 2 mm). It is hermetically sealed and is operational over a -40C to +105C temperature range. It also contains an on-chip temperature sensor and a bandgap voltage reference.

Due to the standard CMOS structure of the MXA2500E, additional circuitry can easily be incorporated into custom versions for high volume applications. Contact the factory for more information. Click here for datasheet.

 

 

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Last modified: April 04, 2004