Acceleration sensors

4 July 2001 Passive Components

Motorola offers a series of acceleration sensors that incorporate a surface micro-machined structure. The force of acceleration moves the seismic mass, thereby changing the g-cell's capacitance. Coupled with the g-cell is a control chip to provide the accelerometer with signal amplification, signal conditioning, low-pass filter and temperature compensation. The g-cell is hermetically sealed at the die level, creating a particle-free environment.

Key features: full-scale measurement ±1,5 to ±250 g; calibrated self-test that moves the sensing element; signal conditioned/four-pole filter; linear output; robust, high-shock survivability; ratiometric, ideally suited to interfacing to A to D converters; hermetically sealed g-cell; low-cost plastic package either through-hole or surface-mount; X or Z or XY axes.

Avnet Kopp

(011) 444 2333

[email protected]

www.avnet.co.za

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