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Accelerometer ADXL311

Dual-axis accelerometer

Uses 5-V single-supply operation with 0.4 mA typical consumption

Uses Internal Low Pass Filter with bandwidth of 10 Hz

Based on blimp’s average acceleration of 5 (cm/s)/s, 50 mV (VPP) variation of output voltage from ADXL311

Put the variation of output voltage through an external LPF (MAX7490) of 2 Hz

Then scale the variation of output voltage 7 times bigger from TLV2370 Op-amp

Then put the amplified variation output voltage into the ADC10 in Pos/Heading uC    

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