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LSM303D датащи(PDF) 20 Page - STMicroelectronics |
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LSM303D датащи(HTML) 20 Page - STMicroelectronics |
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20 / 52 page ![]() Application hints LSM303D 20/52 DocID023312 Rev 2 5.3 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). 5.4 Soldering information The LGA package is compliant with ECOPACK®, RoHS and “Green” standards. 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. 5.5 High-current wiring effects High current in wiring and printed circuit traces can be the cause of errors in magnetic field measurements for compassing. Conductor-generated magnetic fields add to the Earth’s magnetic field creating errors in compass heading computations. Keep currents higher than 10 mA a few millimeters further away from the sensor IC. |
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