MMA6281QT Freescale Semiconductor, MMA6281QT Datasheet
MMA6281QT
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MMA6281QT Summary of contents
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... Technical Data ±2.5g - 10g Two Axis Low-g Micromachined Accelerometer The MMA6281QT low cost capacitive micromachined accelerometer features signal conditioning, a 1-pole low pass filter, temperature compensation and g- Select which allows for the selection among 4 sensitivities. Zero-g offset full scale span and filter cut-off are factory set and require no external devices. Includes a Sleep Mode that makes it idea l for handheld battery powered electronics ...
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... Although the Freescale accelerometer contains internal 2000 V 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. A charge of this magnitude can MMA6281QT Clock Oscillator ...
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... Hz — 150 — Hz — 3.0 — mVrms μg/ — 350 — — 1.0 2.0 ms — 0.5 2.0 ms — 6.0 — kHz — 3.4 — kHz — 11 — kHz +0.25 — V –0.25 DD –1.0 — +1.0 %FSO — — 5.0 % -GND. DD MMA6281QT ...
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... Acceleration Figure 3. Simplified Transducer Physical Model MMA6281QT 4 PRINCIPLE OF OPERATION g-Select The g-Select feature allows for the selection among 4 sensitivities present in the device. Depending on the logic input placed on pins 1 and 2, the device internal gain will be changed allowing it to function with a 2 ...
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... QFN part. This could lead to ground shorting to the accelerometer flag. Connection Diagram POWER SUPPLY A A Accelerometer to Microcontroller to decouple the power DD may cause the DD C.To ensure ° C ensure V line has the ability ° DD pin. If output signal does not assert itself, DD pin of the device should be DD Figure MMA6281QT ...
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... QFN Package In 2.5g mode Top View X @ +1g = 2.13 V OUT 1.65 V OUT 1.65 V OUT 1.65 V OUT * When positioned as shown, the Earth’s gravity will result in a positive 1g output. MMA6281QT 6 DYNAMIC ACCELERATION STATIC ACCELERATION X @ -1g = 1.17 V OUT 1.65 V OUT Side View +Z : Arrow indicates direction of mass movement ...
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... All dimensions are in mm. Figure 7. PCB Footprint for 16-Lead QFN, 6x6 mm for Consumer Grade Products and Applications Do not solder down flag and 4 corner ground pads on the package for consumer application Do not place any top metal patterns or via structures beneath the package MMA6281QT 7 ...
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... Signal traces with 0.1mm width and \ Package Pad 0.50 mm 0.55 mm Cu: 0.55 x 0.50 mm sq. Figure 8. NSMD Solder Mask Design Guidelines MMA6281QT 8 PCB DESIGN GUIDELINES min. 0.5mm length for all PCB land pad near package are recommended as shown in Figure 9. Wider trace can be continued after the ...
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... Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 1622-02 ISSUE B 16-LEAD QFN PAGE MMA6281QT 9 ...
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... MMA6281QT 10 PACKAGE DIMENSIONS CASE 1622-02 ISSUE B 16-LEAD QFN PAGE Sensors Freescale Semiconductor ...
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... Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 1622-02 ISSUE B 16-LEAD QFN PAGE MMA6281QT 11 ...
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... RoHS-compliant and/or Pb-free versions of Freescale products have the functionality and electrical characteristics of their non-RoHS-compliant and/or non-Pb-free counterparts. For further information, see http:/www.freescale.com or contact your Freescale sales representative. For information on Freescale’s Environmental Products program http://www.freescale.com/epp. MMA6281QT Rev. 2 06/2007 Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products ...