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LIS244ALTR Datasheet(PDF) 5 Page - STMicroelectronics |
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LIS244ALTR Datasheet(HTML) 5 Page - STMicroelectronics |
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5 / 15 page  LIS244AL Mechanical and electrical specifications 5/15 2 Mechanical and electrical specifications 2.1 Mechanical characteristics (Temperature range -40°C to +85°C). All the parameters are specified @ Vdd =3.0V, T = 25°C unless otherwise noted Table 3. Mechanical characteristics(1) Symbol Parameter Test condition Min. Typ.(2) Max. Unit Ar Acceleration range(3) ±2g So Sensitivity(5) 0.140*Vdd - 10% 0.140*Vdd 0.140*Vdd+ 10% V/g SoDr Sensitivity change vs temperature Delta from +25°C 0.01 %/°C Voff Zero-g level(4) T = 25°C Vdd/2-15% Vdd/2 Vdd/2+15% V OffDr Zero-g level change vs temperature Delta from +25°C 1 mg/°C NL Non linearity(5) Best fit straight line ±0.5 % FS CrossAx Cross-axis(6) ±2% An Acceleration noise density Vdd=3.0V 220 µg/ Vt Self test output voltage change(7), T = 25°C Vdd=3.0V X axis 105 mV T = 25°C Vdd=3.0V Y axis 105 mV Fres Sensing element resonant frequency(8) X,Yaxis 4.0 kHz Top Operating temperature range -40 +85 °C Wh Product weight 0.040 gram 1. The product is factory calibrated at 3.0V. The operational power supply range is from 2.4V to 3.6V. Voff, So and Vt parameters will vary with supply voltage 2. Typical specifications are not guaranteed 3. Guaranteed by wafer level test and measurement of initial offset and sensitivity 4. Zero-g level and sensitivity are essentially ratiometric to supply voltage at the calibration level ±8% 5. Guaranteed by design 6. Contribution to the measuring output of an inclination/acceleration along any perpendicular axis 7. “Self test output voltage change” is defined as Vout(Vst=Logic1)-Vout(Vst=Logic0) 8. Minimum resonance frequency Fres=4.0kHz. Sensor bandwidth=1/(2* π*32kΩ*Cload) Hz |
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