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LIS302ALK Datasheet(PDF) 5 Page - STMicroelectronics |
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LIS302ALK Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 14 page LIS302ALK Mechanical and electrical specifications 5/14 2 Mechanical and electrical specifications 2.1 Mechanical characteristics. Table 2. Mechanical characteristics(1) All parameters are specified @ Vdd =3.3V, T = 25°C unless otherwise noted Symbol Parameter Test Condition Min. Typ.(2) Max. Unit Ar Acceleration range(3) ±2.0 g So Sensitivity(4) 0.415 0.440 0.465 V/g SoDr Sensitivity change Vs Temperature Delta from +25°C ±0.01 %/°C Voff Zero-g level(4) T = 25°C Vdd/2-6% Vdd/2 Vdd/2+6% V OffDr Zero-g level change Vs Temperature Delta from +25°C ±0.5 mg/°C NL Non Linearity(5) Best fit straight line ±0.5 % FS CrossAx Cross-Axis(6) ±2% An Acceleration Noise Density Vdd=3.3V 200 µg/ Vt Self test output voltage change(7),(8) T = 25°C Vdd=3.3V X axis +80 +220 mV T = 25°C Vdd=3.3V Y axis +80 +220 mV T = 25°C Vdd=3.3V Z axis +80 +220 mV Fres Sensing Element Resonant Frequency(9) all axes 2.0 kHz Top Operating Temperature Range -40 +85 °C Wh Product Weight 30 mgram 1. The product is factory calibrated at 3.3V. The operational power supply range is specified in table 3. Since the device is ratiometric 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 ratiometric to supply voltage 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. “Self test output voltage change” varies cubically with supply voltage 9. Minimum resonance frequency Fres=2.0kHz. Sensor bandwidth=1/(2* π*32kΩ*Cload) Hz |
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