MMA6280Q Freescale Semiconductor, MMA6280Q Datasheet
MMA6280Q
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MMA6280Q Summary of contents
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... Technical Data ±1 Dual Axis Low-g Micromachined Accelerometer The MMA6280QT 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 ...
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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 MMA6280QT Clock Oscillator ...
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... V –0. –1.0 — +1.0 %FSO — — 5.0 % — — — /2. = 2.2. Consult DD MMA6280QT -GND. 3 ...
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... Acceleration Figure 3. Simplified Transducer Physical Model MMA6280QT 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. 9. PCB layout should not run traces or vias under the QFN part. This could lead to ground shorting to the 1 kΩ 15 accelerometer flag. 0.1 μF POWER SUPPLY A A Accelerometer to Microcontroller line has the ability to reach 2 < Figure MMA6280QT pin ...
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... QFN Package Top View X @ +1g = 2.45 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. MMA6280QT 6 DYNAMIC ACCELERATION STATIC ACCELERATION X @ -1g = 0.85 V OUT 1.65 V OUT Side View +Z : Arrow indicates direction of mass movement. ...
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... The flag underneath the package is internally connected to ground not recommended for the flag to be soldered down. MMA6280QT 7 Pin 1 ID (non-metallic) Note: The die pad (flag) is not generally recommended to be soldered down for consumer product application ...
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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 MMA6280QT 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 MMA6280QT 9 ...
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... MMA6280QT 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 MMA6280QT 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. MMA6280QT Rev 4 04/2008 Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products ...
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... Sensors Freescale Semiconductor MMA6280QT 13 ...