SDI 1521 MEMS Accelerometer
SDI 1521 is a rugged surface mount MEMS accelerometer designed to withstand harsh conditions while delivering precision, sensitivity, reliability, and affordability. Available in a variety of g-range options, it incorporates a MEMS capacitive sense element and a custom IC with integrated sense amplifier and differential output stage.
Each unit is individually factory tested and calibrated before shipment, and detailed calibration reports are provided.
Specifications:
| Dimensions |
0.35 x 0.35 x 0.105” (LCC) 0.35 x 0.35 x 0.165” (JLCC) |
| Weight |
0.62g (LCC) 0.68g (JLCC) |
| Power | 5VDC, 5mA |
| G-Range Options | ±2, 5, 10, 25, 50, 100, 200, 400g |
| Bias Calibration Error (%) | 0.2 typ., 0.5 max |
| Bias Calibration Error (mV) | 16 typ., 40 max |
| Bias Temperature Shift | -200 to +200 PPM/oC |
| Scale Factor Calibration Error (%) | 0.5 typ., 1 max |
| Scale Factor Temperature Shift | -200 to +200 PPM/oC |
| Longterm Bias Stability | ±1000 ppm typ., ±2000 ppm max |
| Longterm Scale Factor Stability | ±500 ppm typ., ±1000 ppm max |
