mma7361l Freescale Semiconductor, Inc, mma7361l Datasheet

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mma7361l

Manufacturer Part Number
mma7361l
Description
?1.5g, ?6g Three Axis Low-g Micromachined Accelerometer
Manufacturer
Freescale Semiconductor, Inc
Datasheet

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Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2008. All rights reserved.
±1.5g, ±6g Three Axis Low-g
Micromachined Accelerometer
accelerometer featuring signal conditioning, a 1-pole low pass filter,
temperature compensation, self test, 0g-Detect which detects linear freefall,
and g-Select which allows for the selection between 2 sensitivities. Zero-g
offset and sensitivity are factory set and require no external devices. The
MMA7361L includes a Sleep Mode that makes it ideal for handheld battery
powered electronics.
Features
Typical Applications
MMA7361LR1
MMA7361LR2
Part Number
The MMA7361L is a low power, low profile capacitive micromachined
MMA7361LT
3mm x 5mm x 1.0mm LGA-14 Package
Low Current Consumption: 400 μA
Sleep Mode: 3 μA
Low Voltage Operation: 2.2 V – 3.6 V
High Sensitivity (800 mV/g @ 1.5g)
Selectable Sensitivity (±1.5g, ±6g)
Fast Turn On Time (0.5 ms Enable Response Time)
Self Test for Freefall Detect Diagnosis
0g-Detect for Freefall Protection
Signal Conditioning with Low Pass Filter
Robust Design, High Shocks Survivability
RoHS Compliant
Environmentally Preferred Product
Low Cost
3D Gaming: Tilt and Motion Sensing, Event Recorder
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
Robotics: Motion Sensing
Temperature
–40 to +85°C
–40 to +85°C
–40 to +85°C
Range
ORDERING INFORMATION
Package
Drawing
1977-01
1977-01
1977-01
Package
LGA-14
LGA-14
LGA-14
13” Tape & Reel
7” Tape & Reel
Shipping
Tray
X
Y
Z
V
N/C
V
OUT
OUT
OUT
DD
SS
Document Number: MMA7361L
Figure 1. Pin Connections
MMA7361L: XYZ AXIS
MMA7361L
ACCELEROMETER
Bottom View
CASE 1977-01
±1.5g, ±6g
Top View
14 LEAD
Sleep
N/C
LGA
Rev 0, 04/2008
g-Select
Self Test
N/C
N/C
0g-Detect
N/C

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mma7361l Summary of contents

Page 1

... Zero-g offset and sensitivity are factory set and require no external devices. The MMA7361L includes a Sleep Mode that makes it ideal for handheld battery powered electronics. Features • ...

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 MMA7361L ...

Page 3

... Hz — 32 — kΩ -0.4 0 +0.4 -0.1 — +0.8 +1.0 +1.2 V — 0 — μg/ — 350 — — 1.0 2.0 ms — 0.5 2.0 ms — 2.0 5.0 ms — 6.0 — kHz — 3.4 — kHz — 11 — kHz +0.1 — V –0 -1.0 — +1.0 %FSO -5.0 — +5 GND. The output sensor DD MMA7361L ...

Page 4

... The sensor provides a self test feature that allows the verification of the mechanical and electrical integrity of the accelerometer at any time before or after installation. This feature is critical in applications such as hard disk drive MMA7361L 4 PRINCIPLE OF OPERATION protection where system integrity must be ensured over the life of the product ...

Page 5

... POWER SUPPLY Sleep A/D OUT A/D OUT A/D OUT IN C Accelerometer to Microcontroller to decouple the power DD OUT to prevent loss due to the voltage divider OUT Figure and OUT MMA7361L 5 ...

Page 6

... OUT +1g = 2.45 V OUT 1.65 V OUT 1.65 V OUT OUT Y OUT Z OUT * When positioned as shown, the Earth’s gravity will result in a positive 1g output. MMA7361L 6 DYNAMIC ACCELERATION + STATIC ACCELERATION Top View ...

Page 7

... X-TCO mg/degC LSL -2 -1 Y-TCO mg/degC LSL -2 -1 Z-TCO mg/degC LSL -2 -1 Figure 7. MMA7361L Temperature Coefficient of Offset (TCO) and Temperature Coefficient of Sensitivity (TCS) Distribution Charts Sensors Freescale Semiconductor X-TCS %/degC Target USL LSL -0.01 -0.005 Y-TCS %/degC Target USL LSL ...

Page 8

... With the correct footprint, the packages will self-align when subjected to a solder reflow process always recommended to design boards with a solder mask layer to avoid bridging and shorting between solder pads. MMA7361L 8 1 10x0.8 6 14x0.6 14x0 ...

Page 9

... Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 1977-01 ISSUE A 14-LEAD LGA MMA7361L 9 ...

Page 10

... MMA7361L 10 PACKAGE DIMENSIONS CASE 1977-01 ISSUE A 14-LEAD LGA Sensors Freescale Semiconductor ...

Page 11

... 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. MMA7361L Rev. 0 04/2008 Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products ...

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