MMA6270QT Freescale Semiconductor, MMA6270QT Datasheet
MMA6270QT
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MMA6270QT Summary of contents
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... Technical Data ±1 Dual Axis Low-g Micromachined Accelerometer The MMA6270QT 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 four sensitivities. Zero-g offset full scale span and filter cut-off are factory set and require no external devices ...
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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 MMA6270QT Clock Oscillator ...
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... Hz — 4.7 — mVrms μg/ — 350 — — 1.0 2.0 ms — 0.5 2.0 ms — 6.0 — kHz — 11 — kHz +0.25 — V –0. –1.0 — +1.0 %FSO — — 5.0 % — — — /2. = 2.2. Consult DD MMA6270QT -GND. 3 ...
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... Acceleration Figure 3. Simplified Transducer Physical Model MMA6270QT 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 1 ...
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... This will prevent aliasing errors. 0.1 μF 9. PCB layout should not run traces or vias under the QFN part. This could lead to ground shorting to the accelerometer flag kΩ 0.1 μF POWER SUPPLY A A Accelerometer to Microcontroller line has the ability to reach 2 < Figure MMA6270QT pin ...
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... QFN Package Top View X @ +1g = 2.45 V OUT 1.65 V OUT 1.65 V OUT Y @ +1g = 2.45 V OUT * When positioned as shown, the Earth’s gravity will result in a positive 1g output. MMA6270QT 6 DYNAMIC ACCELERATION + STATIC ACCELERATION X @ -1g = 0.85 V OUT 1.65 V OUT Side View Z direction (For reference only) : Arrow indicates direction of mass movement. Direction of Earth’ ...
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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 MMA6270QT 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 MMA6270QT 8 PCB DESIGN GUIDELINES min. 0.5mm length for all PCB land pad near package are recommended as shown in Figure 9 ...
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... Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 1622-02 ISSUE B 16-LEAD QFN PAGE MMA6270QT 9 ...
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... MMA6270QT 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 MMA6270QT 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. MMA6270QT Rev 4 04/2008 Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products ...