MMA1250EG Freescale, MMA1250EG Datasheet
MMA1250EG
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MMA1250EG Summary of contents
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... Virtual Reality Input Devices • Sports Diagnostic Devices and Systems ORDERING INFORMATION Device Name Temperature Range MMA1250D –40° to 125°C MMA1250EG –40° to 125°C MMA1250EGR2 –40° to 125°C G-Cell Integrator Sensor ST Control Logic & Self-test EPROM Trim Circuits STATUS Figure 1. Simplified Accelerometer Functional Block Diagram © ...
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... Dropped onto concrete surface from any axis. WARNING: This device is sensitive to electrostatic discharge. Although the Freescale accelerometers contain internal 2kV ESD protection circuitry, extra precaution must be taken by the user to protect the chip from ESD. A charge of over 2000 volts can accumulate on the human body or associated test equipment ...
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... Time for amplifiers to recover after an acceleration signal causes them to saturate. 12. Preserves phase margin (60°) to guarantee output amplifier stability. 13. A measure of the device's ability to reject an acceleration applied 90° from the true axis of sensitivity. Sensors Freescale Semiconductor ≤ 5.25, Acceleration = 0g, Loaded output. DD Symbol ...
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... Physical Model MMA1250D 4 PRINCIPLE OF OPERATION Filtering The Freescale accelerometers contain an onboard 2-pole switched capacitor filter. A Bessel implementation is used because it provides a maximally flat delay response (linear phase) thus preserving pulse shape integrity. Because the filter is realized using switched capacitor techniques, there is no requirement for external passive components (resistors and capacitors) to set the cut-off frequency ...
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... INPUT OUT 0.1 µ Figure 5. SOIC Accelerometer with Recommended Connection Diagram Sensors Freescale Semiconductor BASIC CONNECTIONS PCB Layout STATUS N/C ST N/C N/C V N/C OUT N N/C N N/C Figure 6. Recommended PCB Layout for Interfacing NOTES: 1. Use a 0.1 µF capacitor on V source. 2. Physical coupling distance of the accelerometer to the microcontroller should be minimal ...
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... When positioned as shown, the Earth's gravity will result in a positive 1g output MMA1250D 6 ACCELERATION SENSING DIRECTIONS OUT STATUS N/C pins are recommended to be left FLOATING STATIC ACCELERATION + 2.9 V OUT - 2.1 V OUT 16 1 N N N N/C 8 16-Pin SOIC Package (1) Direction of Earth's gravity field 2.50 V OUT Sensors Freescale Semiconductor ...
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... Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 475-01 ISSUE C 16-LEAD SOIC PAGE MMA1250D 7 ...
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... MMA1250D 8 PACKAGE DIMENSIONS CASE 475-01 ISSUE C 16-LEAD SOIC PAGE Sensors Freescale Semiconductor ...
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... Freescale Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does Freescale Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation consequential or incidental damages. “ ...