MMA6281QR2 Freescale Semiconductor, MMA6281QR2 Datasheet

IC ACCELEROMETER XZ AXIS 16-QFN

MMA6281QR2

Manufacturer Part Number
MMA6281QR2
Description
IC ACCELEROMETER XZ AXIS 16-QFN
Manufacturer
Freescale Semiconductor
Datasheet

Specifications of MMA6281QR2

Rohs Status
RoHS Compliant
Axis
X, Z
Acceleration Range
±2.5g, 3.3g, 6.7g, 10g (Config)
Sensitivity
480mV/g, 360mV/g, 180mV/g, 120mV/g
Voltage - Supply
2.2 V ~ 3.6 V
Output Type
Analog
Bandwidth
350Hz - X, 150Hz - Z
Mounting Type
Surface Mount
Package / Case
16-QFN Exposed Pad
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
Sensing Axis
X, Z
Acceleration
2.5 g, 3.3 g, 6.7 g, 10 g
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
- 40 C
For Use With
RD3152MMA7260Q - BOARD REF 3-AXIS ACCELEROMETER
Interface
-
Lead Free Status / Rohs Status
Compliant
Other names
MMA6281QR2
MMA6281QR2TR
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

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MMA6281QR2 Summary of contents

Page 1

... Robotics: Motion Sensing • Impact Monitoring (Shipping, Handling, Black Box Event Recorder) ORDERING INFORMATION Device Temp. Range MMA6281QT – +105°C MMA6281QR2 – +105°C © Freescale Semiconductor, Inc., 2005-2007. All rights reserved. Case No. Package 1622-02 QFN-16, Tray 1622-02 QFN-16,Tape & Reel ...

Page 2

... When handling the accelerometer, proper ESD precautions should be followed to avoid exposing the device to discharges which may be detrimental to its performance. X-Temp X OUT Comp Z-Temp Z OUT Comp Value Unit ±2000 g –0.3 to +3.6 V 1.8 m °C –40 to +125 Sensors Freescale Semiconductor ...

Page 3

... The response time between 10% of full scale Sleep Mode input voltage and 90% of the final operating output voltage. 10. A measure of the device’s ability to reject an acceleration applied 90° from the true axis of sensitivity. Sensors Freescale Semiconductor < 3.6 V, Acceleration = 0g, Loaded output DD Symbol ...

Page 4

... This is a key feature when interfacing to a microcontroller or an A/D converter because it provides system level cancellation of supply induced errors in the analog to digital conversion process. SPECIAL FEATURES g-Range Sensitivity 0 2.5g 480 mV/g 1 3.3g 360 mV/g 0 6.7g 180 mV/g 1 10g 120 mV/g Sensors Freescale Semiconductor ...

Page 5

... OUT 2 g-Select2 V DD MMA6281QT 0.1 μ OUT 12 Sleep Mode Logic Input Figure 5. Accelerometer with Recommended Sensors Freescale Semiconductor BASIC CONNECTIONS PCB Layout 12 Sleep Mode N/C Sleep Mode 9 N/C g-Select1 g-Select2 X OUT Z OUT Figure 6. Recommended PCB Layout for Interfacing NOTES: 1. Use 0.1 µ ...

Page 6

... 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. Direction of Earth’s gravity field.* Side View 1.65 V OUT Z @ +1g = 2.13 V OUT 1.65 V OUT Z @ -1g = 1.17 V OUT Freescale Semiconductor Sensors ...

Page 7

... The flag underneath the package is internally connected to ground not recommended for the flag to be soldered down. Sensors Freescale Semiconductor Pin 1 ID (non-metallic) Note: The die pad (flag) is not generally recommended to be soldered down for consumer product application. All dimensions are in mm ...

Page 8

... Stencil opening (black) for land pad (yellow) = PCB landing pad -0.025mm = 0.525mmx0,475mm Package foot pirnt Figure 9. Stencil Design Guidelines Figure 8 and Signal trace 0.1mm width and 0.5mm (min) length near package. Wider trace can be continued after these traces. Sensors Freescale Semiconductor ...

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

... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer ...

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