CMA3000-A0X VTI Hamlin, CMA3000-A0X Datasheet

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CMA3000-A0X

Manufacturer Part Number
CMA3000-A0X
Description
Cma3000-a0x Series 3-axis Accelerometer
Manufacturer
VTI Hamlin
Datasheet
Doc.Nr. 8282100.05
Product Family Specification
CMA3000-A0X Series
3-axis accelerometer

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CMA3000-A0X Summary of contents

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... Product Family Specification CMA3000-A0X Series 3-axis accelerometer Doc.Nr. 8282100.05 ...

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... Tape and reel specifications.....................................................................................................9 5 Data sheet references ........................................................................................................ 10 5.1 Offset.........................................................................................................................................10 5.1.1 Offset calibration error .....................................................................................................10 5.1.2 Offset temperature error...................................................................................................10 5.2 Sensitivity .................................................................................................................................10 5.2.1 Sensitivity calibration error..............................................................................................11 5.2.2 Sensitivity temperature error ...........................................................................................11 5.3 Linearity ....................................................................................................................................11 5.4 Noise .........................................................................................................................................12 5.5 Bandwidth.................................................................................................................................13 5.6 Cross-axis sensitivity ..............................................................................................................13 5.7 Turn-on time .............................................................................................................................14 VTI Technologies Oy PRELIMINARY - Subject to changes www.vti.fi Doc.Nr. 8282100.05 CMA3000-A0X Series 2/ 17 Rev.05 ...

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... Known issues ..................................................................................................................... 14 6.1 Sensing element's bandwidth is lower than the target ........................................................14 7 Order Information............................................................................................................... 15 8 Document Change Control................................................................................................ 16 9 Contact Information ........................................................................................................... 17 VTI Technologies Oy PRELIMINARY - Subject to changes www.vti.fi Doc.Nr. 8282100.05 CMA3000-A0X Series 3/ 17 Rev.05 ...

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... General Description 1.1 Introduction CMA3000-A0X is a three axis accelerometer family targeted for high volume products requiring small size, low price and low power consumption. It consists of a 3D-MEMS sensing element and a signal conditioning ASIC in a wafer level package. Both block diagram of CMA3000-A0X is shown in Figure 1 below. ...

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... Supported features Supported features are listed in Table 1 below. Table 1. CMA3000-A0X devices’ summary. Features Supply voltage Measuring range (selectable) Sensitivity ( range) Interface Clock 2 Electrical Characteristics All voltages are reference to ground. Currents flowing into the circuit have positive values. 2.1 Absolute maximum ratings The absolute maximum ratings of the CMA3000 are presented in Table 2 below ...

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... The package dimensions are presented in Figure 2 below (dimensions in millimeters [mm] with ±50 µm tolerance). Figure 2. Package dimensions in mm with ±50 µm tolerance for reference only. Please check the corresponding data sheet for details. VTI Technologies Oy PRELIMINARY - Subject to changes www.vti.fi Doc.Nr. 8282100.05 CMA3000-A0X Series 6/ 17 Rev.05 ...

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... Connect 100 nF SMD capacitor between both supply voltage pins and ground level. 2. Connect 1 µF capacitor between each supply voltage and ground level. Recommended circuit diagram for the CMA3000 is shown in Figure 5 below. VDD VOUTZ 100n Figure 5. Recommended circuit diagram for CMA3000-A0X VTI Technologies Oy PRELIMINARY - Subject to changes www.vti. ...

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... Please note that CMA3000-A0X has internal 32kOhm resistors in series with all analog outputs. Due to this internal resistor the resulting signal bandwidth of CMA3000 will be a function of the C as follows: f − where C is the load capacitance presented in Figure 5. Some example signal bandwidths are L presented in Table 5 below ...

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... Figure 7. Recommended PWB layout for CMA3000-A0X (not actual size, for r only). 4.4 Assembly instructions The Moisture Sensitivity Level (MSL) of the CMA3000 component is 3 according to the IPC/JEDEC J-STD-020D. Please refer to the document TN68_CMA3000_Assembly_Instructions for more detailed information of CMA3000 assembly. 4.5 Tape and reel specifications Please refer to the document TN68_CMA3000_Assembly_Instructions for tape and reel specifications ...

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... X-axis calibration error in [mg], Output − Output Output − − axis @ Sens is sensor’s X-axis temperature error in [mg] in temperature T, Output Doc.Nr. 8282100.05 CMA3000-A0X Series is sensor’s X-axis X-axis ⋅ axis @ RT 1000 , X-axis output reading X-axis@T X-axis@T 10/ 17 Rev.05 ...

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... Y axis @ T Y axis @ RT 100 Sens − Y axis @ RT is sensor’s Y-axis sensitivity temperature error in [%] in temperature T, Sens Doc.Nr. 8282100.05 CMA3000-A0X Series X Earth’s gravitation sensor’s Y-axis output Y-axis@+1g sensor’s Y-axis Y-axis % , is sensor’s Y-axis@RT Y- 11/ 17 Rev.05 ...

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... Z-axis linearity error [%FS] on input acceleration acc, Output (in Equation 6) is calculated by fitting a straight line to measured @acc and n in X,Y and Z directions is the measured standard deviation of the output Z Doc.Nr. 8282100.05 CMA3000-A0X Series CMA3000 linearity error in [g] at input acceleration acc Input acceleration [g] (centrifugal acceleration in parallel to CMA3000 measuring axis) ...

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... X Z Shaker movement in parallel X to Z-axis + ⋅ XZ 100 %, sensitivity of X-axis [Count/g ⋅ YZ 100 %, Y is sensitivity of Y-axis [Count/g]. Y Doc.Nr. 8282100.05 CMA3000-A0X Series is sensor’s Y-axis noise [g] Y Earth’s gravitation is X-axis sensitivity to Z-axis XZ is Y-axis sensitivity to Z-axis YZ 13/ 17 Rev.05 ...

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... Hz and to Y direction typically 150 Hz. VTI Technologies Oy PRELIMINARY - Subject to changes www.vti. ⋅ ZY 100 %, sensitivity of Z-axis [Count/g]. Z Doc.Nr. 8282100.05 CMA3000-A0X Series is Z-axis sensitivity to Y-axis ZY Supply voltage reaches th e minimum required level → CMA3000 starts CMA3000 output inside ±1% FS limits Time scale 14/ 17 Rev.05 ...

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... SPI&I2C interface, +/- 2/8g, 1000 pcs CMA3000-A01-30 3-Axis accelerometer with SPI&I2C interface, +/- 2/8g, 3000 pcs CMA3000-A01 PWB PWB assy 3-Axis accelerometer with SPI&I2C interface, +/- 2/8g CMA3000-D01DEMO CMA3000-D01 DEMOKIT VTI Technologies Oy PRELIMINARY - Subject to changes www.vti.fi Doc.Nr. 8282100.05 CMA3000-A0X Series Packing Quantity T&R 100 T&R 1000 T&R 3000 Bulk 1 ...

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... Document Change Control Version Date Change Description 0.1 10-Sep07 Initial draft. 0.2 11-Jan-08 Major update. 0.3 14-Feb-08 Minor updates, corrections 0.4 01-Jul-08 Table 1 and Figure 2 updated Figure 2 updated, section 6 added. 0.5 10-Dec-08 VTI Technologies Oy PRELIMINARY - Subject to changes www.vti.fi Doc.Nr. 8282100.05 CMA3000-A0X Series 16/ 17 Rev.05 ...

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... Cailun Lu Pudong New Area 201203 Shanghai P.R. China Tel. +86 21 5132 0417 Fax +86 21 513 20 416 E-mail: sales.china@vti.fi Doc.Nr. 8282100.05 CMA3000-A0X Series USA VTI Technologies, Inc. One Park Lane Blvd. Suite 804 - East Tower Dearborn, MI 48126 USA Tel. +1 313 425 0850 Fax +1 313 425 0860 E-mail: sales@vtitechnologies ...

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