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LSM303DLHCTR датащи(PDF) 17 Page - STMicroelectronics |
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LSM303DLHCTR датащи(HTML) 17 Page - STMicroelectronics |
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17 / 42 page ![]() LSM303DLHC Application hints Doc ID 018771 Rev 1 17/42 4.3 Digital interface power supply This digital interface, dedicated to the linear acceleration and to the magnetic field signal, is capable of operating with a standard power supply (Vdd) or using a dedicated power supply (Vdd_IO). 4.4 Soldering information The LGA package is compliant with the ECOPACK®, RoHS, and “Green” standard. It is qualified for soldering heat resistance according to JEDEC J-STD-020. Leave “Pin 1 Indicator” unconnected during soldering. Land pattern and soldering recommendations are available at www.st.com/mems. 4.5 High current wiring effects High current in the wiring and printed circuit trace can be culprits in causing errors in magnetic field measurements for compassing. Conductor generated magnetic fields add to the Earth’s magnetic field, causing errors in compass heading computation. Keep currents higher than 10 mA a few millimeters further away from the sensor IC. |
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