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IIS328DQ Datasheet(PDF) 9 Page - STMicroelectronics |
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IIS328DQ Datasheet(HTML) 9 Page - STMicroelectronics |
9 / 40 page DocID027250 Rev 3 9/40 IIS328DQ Mechanical and electrical specifications 40 2 Mechanical and electrical specifications 2.1 Mechanical characteristics @ Vdd=3.3 V, T=25 °C unless otherwise noted(a). a. The product is factory calibrated at 3.3 V. Operational power supply (Vdd) over 3.6 V is not recommended. Table 3. Mechanical characteristics Symbol Parameter Test conditions Min.(1) Typ.(2) Max.(1) Unit FS Measurement range(3) FS bits set to 00 ±2.0 g FS bits set to 01 ±4.0 FS bits set to 11 ±8.0 So Sensitivity FS bits set to 00 12-bit representation 0.9 0.98 1.1 mg/digit FS bits set to 01 12-bit representation 1.8 1.95 2.2 FS bits set to 11 12-bit representation 3.5 3.91 4.3 TCSo Sensitivity change vs temp. FS bits set to 00 ±0.01 %/°C TyOff Typical zero-g level offset accuracy (4),(5) FS bits set to 00 -30 ±20 +30 mg TCOff Zero-g level change vs. temperature Excursion from 25 °C ±0.8 mg/°C Off Zero-g level offset accuracy(6) FS bits set to 00 -300 +300 mg An Acceleration noise density FS bits set to 00 218 μg/Hz CrAx Cross-axis(7) -5 +5 % Vst Self-test output change(8),(9),(10) FS bits set to 00 X-axis -500 -800 -1100 LSb FS bits set to 00 Y-axis 500 800 1100 LSb FS bits set to 00 Z-axis 400 600 800 LSb Wh Product weight 60 mgram Top Operating temperature range -40 +105 °C 1. Min/Max values are based on characterization results, not tested in production 2. Typical values are not guaranteed. 3. Verified by wafer level test and measurement of initial offset and sensitivity. 4. Offset can be eliminated by enabling the built-in high-pass filter. 5. Typical zero-g level offset as per factory calibration @ T = 25 °C. 6. Min/Max values for Off parameter are across temperature (-40 °C to 105 °C) and after MSL3 preconditioning. Based on characterization data. Not guaranteed and not tested in production. |
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