Features: `Low cost`High resolution`Dual-axis accelerometer on a single IC chip`5 mm * 5 mm * 2 mm CLCC package`Low power < 400 A (typ)`X-axis and Y-axis aligned to within 0.1° (typ)`BW adjustment with a single capacitor`Single-supply operation`High shock survivalApplication·Tilt and motion sen...
ADXL311: Features: `Low cost`High resolution`Dual-axis accelerometer on a single IC chip`5 mm * 5 mm * 2 mm CLCC package`Low power < 400 A (typ)`X-axis and Y-axis aligned to within 0.1° (typ)`BW adjustmen...
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# of Axes | 2 |
Range | +/- 2g |
Sensitivity | 174 mV/g |
Sensitivity Accuracy (%) | ±15n/a |
Output Type | Analog |
Typical Bandwidth (kHz) | 6kHz |
Noise Density (°/s/rtHz) | 300 |
Voltage Supply (V) | 2.4 to 5.25 |
Supply Current | 0.4mA |
Temp Range (°C) | 0 to 70°C |
Package | E-8 |
The ADXL311 is a low cost, low power, complete dual-axis accelerometer with signal conditioned voltage outputs, all on a single monolithic IC. The ADXL311 is built using the same proven iMEMS® process used in over 100 million Analog Devices accelerometers shipped to date, with demonstrated 1 FIT reliability (1 failure per 1 billion device operating hours).
The ADXL311 will measure acceleration with a full-scale range of ±2 g. The ADXL311 can measure both dynamic acceleration (e.g., vibration) and static acceleration (e.g., gravity). The outputs are analog voltages proportional to acceleration.
The typical noise floor is 300 g/Hz allowing signals below 2 mg (0.1° of inclination) to be resolved in tilt sensing appli-cations using narrow bandwidths (10 Hz). The user selects the bandwidth of the accelerometer using capacitors CX and CY at the XFILT and YFILT pins in ADXL311. Bandwidths of 1 Hz to 2 kHz may be selected to suit the application.