MMA7260Q Freescale Semiconductor, MMA7260Q Datasheet

SENSOR ACCEL 3-AXIS +/-1.5 16QFN

MMA7260Q

Manufacturer Part Number
MMA7260Q
Description
SENSOR ACCEL 3-AXIS +/-1.5 16QFN
Manufacturer
Freescale Semiconductor
Datasheet

Specifications of MMA7260Q

Axis
X, Y, Z
Acceleration Range
±1.5g, 2g, 4g, 6g (Config)
Sensitivity
800mV/g, 600mV/g, 300mV/g, 200mV/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
Sensing Axis
X, Y, Z
Acceleration
1.5 g, 2 g, 4 g, 6 g
Maximum Operating Temperature
+ 105 C
Minimum Operating Temperature
- 40 C
For Use With
RD3152MMA7260Q - BOARD REF 3-AXIS ACCELEROMETERRD3112MMA7260QE - BOARD DEMO STAR FOR MMA7260QT
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Interface
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2005-2008. All rights reserved.
±1.5g - 6g Three Axis Low-g
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 ideal for
handheld battery powered electronics.
Features
Typical Applications
The MMA7260QT low cost capacitive micromachined accelerometer
Device Name
MMA7260QR2
Selectable Sensitivity (1.5g/2g/4g/6g)
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
High Sensitivity (800 mV/g @ 1.5g)
Fast Turn On Time
Integral Signal Conditioning with Low Pass Filter
Robust Design, High Shocks Survivability
Pb-Free Terminations
Environmentally Preferred Package
Low Cost
HDD MP3 Player: Freefall Detection
Laptop PC: Freefall Detection, Anti-Theft
Cell Phone: Image Stability, Text Scroll, Motion Dialing, E-Compass
Pedometer: Motion Sensing
PDA: Text Scroll
Navigation and Dead Reckoning: E-Compass Tilt Compensation
Gaming: Tilt and Motion Sensing, Event Recorder
Robotics: Motion Sensing
MMA7260QT
–40 to +105°C
–40 to +105°C
Temperature
ORDERING INFORMATION
Range
Package
Drawing
1622-02
1622-02
QFN-16,Tape & Reel
QFN-16, Tray
Package
g-Select1
g-Select2
Document Number: MMA7260QT
V
V
Figure 1. Pin Connections
DD
SS
MMA7260QT: XYZ AXIS
MMA7260QT
ACCELEROMETER
2
4
1
3
±1.5g/2g/4g/6g
Bottom View
CASE 1622-02
16
5
Top View
16 LEAD
QFN
15
6
14 13
7
Rev 5, 03/2008
8
11
12
10
9
N/C
N/C
Sleep
Mode
N/C

MMA7260Q Summary of contents

Page 1

... Technical Data ±1. Three Axis Low-g Micromachined Accelerometer The MMA7260QT 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 ...

Page 2

... Although the Freescale accelerometer contains internal 2000 volts 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 MMA7260QT Clock Oscillator ...

Page 3

... V –0.25 DD –1.0 — +1.0 %FSO — — 5.0 — — — 2.2. Consult DD MMA7260QT V ° -GND. 3 ...

Page 4

... Acceleration Figure 3. Simplified Transducer Physical Model MMA7260QT 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 ...

Page 5

... This will prevent aliasing errors. 9. PCB layout should not run traces or vias under the 0.1 μF QFN part. This could lead to ground shorting to the accelerometer flag. POWER SUPPLY Accelerometer to Microcontroller line has the ability to reach 2 < 0.1 DD pin. Rise DD Figure MMA7260QT ...

Page 6

... QFN Package Top View X @ +1g = 2.45 V OUT 1.65 V OUT 1.65 V OUT 1.65 V OUT Y @ +1g = 2.45 V OUT 1.65 V OUT * When positioned as shown, the Earth’s gravity will result in a positive 1g output. MMA7260QT 6 DYNAMIC ACCELERATION + STATIC ACCELERATION X @ -1g = 0.85 V OUT 1.65 V OUT ...

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 MMA7260QT 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 MMA7260QT 8 PCB DESIGN GUIDELINES min. 0.5mm length for all PCB land pad near package are recommended as shown in Figure 9 ...

Page 9

... Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 1622-02 ISSUE B 16-LEAD QFN PAGE MMA7260QT 9 ...

Page 10

... MMA7260QT 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 MMA7260QT 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. MMA7260QT Rev. 5 03/2008 Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products ...

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