MMA6281QT Freescale, MMA6281QT Datasheet

MMA6281QT

Manufacturer Part Number
MMA6281QT
Description
Manufacturer
Freescale
Datasheet

Specifications of MMA6281QT

Package Type
QFN EP
Operating Supply Voltage (min)
2.2V
Operating Supply Voltage (typ)
3.3V
Operating Supply Voltage (max)
3.6V
Operating Temperature (min)
-40C
Operating Temperature (max)
105C
Operating Temperature Classification
Industrial
Product Depth (mm)
6mm
Product Height (mm)
1.45mm
Product Length (mm)
6mm
Mounting
Surface Mount
Pin Count
16
Lead Free Status / RoHS Status
Compliant

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MMA6281QT
Manufacturer:
FREESCALE
Quantity:
20 000
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2005-2007. All rights reserved.
±2.5g - 10g Two Axis Low-g
Micromachined Accelerometer
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.
Features
Typical Applications
The MMA6281QT low cost capacitive micromachined accelerometer features
MMA6281QR2
Selectable Sensitivity (2.5g/3.3g/6.7g/10g)
Low Current Consumption: 500 μA
Sleep Mode: 3 μA
Low Voltage Operation: 2.2 V – 3.6 V
6mm x 6mm x 1.45mm QFN
Fast Turn On Time
High Sensitivity (2.5 g)
Integral Signal Conditioning with Low Pass Filter
Robust Design, High Shocks Survivability
Environmentally Preferred Package
Low Cost
Portable Applications: Tilt Monitoring Anti-Theft
Vibration Monitoring and Recording: Appliance Balance, Seismic,
Smart Motors)
Pedometer: Motion Sensing
PDA: Text Scroll
Navigation and Dead Reckoning: E-Compass Tilt Compensation
Gaming: Tilt and Motion Sensing, Event Recorder
Robotics: Motion Sensing
Impact Monitoring (Shipping, Handling, Black Box Event Recorder)
MMA6281QT
Device
Temp. Range
– 40 to +105°C
– 40 to +105°C
ORDERING INFORMATION
Case No.
1622-02
1622-02
QFN-16,Tape & Reel
QFN-16, Tray
Package
g-Select1
g-Select2
Document Number: MMA6281QT
V
V
Figure 1. Pin Connections
DD
MMA6281QT
SS
MMA6281QT: XZ AXIS
±2.5g/3.3g/6.7g/10g
ACCELEROMETER
2
4
1
3
Bottom View
CASE 1622-02
16
5
Top View
16-LEAD
QFN
15
6
14
7
Rev 2, 06/2007
13
8
11
10
12
9
N/C
Sleep
Mode
N/C
N/C

Related parts for MMA6281QT

MMA6281QT Summary of contents

Page 1

... 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 ...

Page 2

... 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 ...

Page 3

... 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 ...

Page 4

... 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 ...

Page 5

... 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 ...

Page 6

... 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 ...

Page 7

... 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 ...

Page 8

... 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 ...

Page 9

... Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 1622-02 ISSUE B 16-LEAD QFN PAGE MMA6281QT 9 ...

Page 10

... MMA6281QT 10 PACKAGE DIMENSIONS CASE 1622-02 ISSUE B 16-LEAD QFN PAGE Sensors Freescale Semiconductor ...

Page 11

... Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 1622-02 ISSUE B 16-LEAD QFN PAGE MMA6281QT 11 ...

Page 12

... 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 ...

Related keywords