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SCA3000-D02 Datasheet(PDF) 2 Page - VTI technologies |
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SCA3000-D02 Datasheet(HTML) 2 Page - VTI technologies |
2 / 4 page SCA3000-D02 VTI Technologies Oy PRELIMINARY - Subject to changes 2/4 www.vti.fi Doc. Nr. 8255800A.01 Rev.A.01 Performance Characteristics 1) Typical supply range 2.35 – 2.7 V Extended supply range 2.7 – 3.6 V Units Parameter Condition Min Typ 2) Max Min Typ 2) Max Analog and digital Vdd 2.35 2.5 2.7 - 3.3 - V Digital I/O Vdd Vdd ≥ Digital I/O Vdd 1.7 1.8 / 2.5 2.7 - 3.3 - V Operating temperature ** -40 - 85 -40 - 85 °C Current consumption * Reset 3) - <7 - <9 - µA Active - 650 - 800 - µA Motion Detection mode - 450 - 550 - µA Acceleration range * 4) Nominal -2 - 2 - ± 2 - g Offset calibration error * Z-axis +1g position -20 - 20 - ± 50 - mg Offset temperature error ** 5) -40 ... +85 °C - ±0.5 - ±0.5 - mg/°C Sensitivity * 6) - 1333 - - 1333 - Count/g Sensitivity calibration error * -1 - +1 - ± 1 - % Sensitivity temperature error ** 7) -40 ... +85 °C - ±0.01 - ±0.0 - %/°C Non-Linearity ** 8) - ±1 - ±1 - % FS Cross-Axis sensitivity ** 9) - ±3 - - ±3 - % Bandwidth ** 10) Measurement mode 36 45 54 - 45 - Hz Bypass measurement mode 56 70 84 - 70 - Hz Noise ** 11) Measurement mode - 3 - 3 - mg RMS Bypass measurement mode - 5 - 5 - mg RMS Output data rate ** 200 250 300 - 260 - Hz Temperature output T=+23 °C 256 - 256 - Count Sensitivity 1.8 - 1.8 - Count/°C Turn on time ** 12) Measurement mode - 35 - 35 - ms Bypass measurement mode - 35 - 35 - ms I 2C clock rate ** - - 400 - - 400 kHz * 100% tested in production ** Qualified during product validation 1) The product is factory calibrated at 2.5 V in room temperature. 2) Typical values are not guaranteed. 3) Includes the current through the internal 400 k Ω pull-up resistor connected to digital I/O Vdd. 4) Range defined as g z y x 2 2 2 2 ≤ + + . The measuring range is tested on sensing element level. FS = 2g. 5) Offset temperature error = {Count(0g)-Offset} / Sensitivity [ g ]. Sensitivity = Calibrated sensitivity. Offset= Calibrated offset. 6) Sensitivity = {Count(+1g) - Count(-1g)}/2 [Count/g]. 7) Sensitivity temperature error = {[Count(+1g)-Count(-1g)]/2 - Sensitivity} / Sensitivity x 100% [%]. Sensitivity = Calibrated sensitivity. 8) From straight line through sensitivity calibration (+1g, -1g) points. 9) The cross-axis sensitivity determines how much acceleration, perpendicular to the measuring axis, couples to the output. The total cross-axis sensitivity is the geometric sum of the sensitivities of the two axes which are perpendicular to the measuring axis. The angular alignment error between X, Y and Z axis is included into the cross axis sensitivity. 10) Frequency responses according to Figure 3 and Figure 4. 11) Average noise/axis over the measurement bandwidth defined as ) 2 2 2 ( 3 1 z n y n x n + + , where nx, ny and nz are the measured signal's standard deviation due to noise in x, y and z directions. 12) Settling error less than 1% of FS. |
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