MMA7331LCR2 Freescale Semiconductor, MMA7331LCR2 Datasheet

IC ACCELER 4G XYZ-AXIS 14LGA

MMA7331LCR2

Manufacturer Part Number
MMA7331LCR2
Description
IC ACCELER 4G XYZ-AXIS 14LGA
Manufacturer
Freescale Semiconductor
Datasheet

Specifications of MMA7331LCR2

Sensing Axis
X, Y, Z
Acceleration
4 g, 12 g
Sensitivity
83.6 mV/g, 326.5 mV/g
Package / Case
LGA-14
Supply Voltage (max)
3.6 V
Supply Voltage (min)
2.2 V
Supply Current
400 uA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Freescale Semiconductor
Technical Data
© Freescale Semiconductor, Inc., 2010. All rights reserved.
±4g, ±12g Three Axis Low-g
Micromachined Accelerometer
accelerometer featuring signal conditioning, a 1-pole low pass filter,
temperature compensation, self test, 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 MMA7331LC includes a Sleep Mode
that makes it ideal for handheld battery powered electronics.
Features
Typical Applications
MMA7331LCR1
MMA7331LCR2
* This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
MMA7331LCT
Part Number
The MMA7331LC is a low power, low profile capacitive micromachined
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
Selectable Sensitivity (±4g, ±12g)
Fast Turn On Time (0.5 ms Enable Response Time)
Self Test for Freefall Detect Diagnosis
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
Document Number: MMA7331LC
V
N/C
V
OUT
OUT
OUT
DD
SS
Figure 1. Pin Connections
MMA7331LC: XYZ AXIS
MMA7331LC
ACCELEROMETER
Bottom View
CASE 1977-01
±4g, ±12g
Top View
14 LEAD
Sleep
N/C
LGA
Rev 1, 11/2010
g-Select
Self Test
N/C
N/C
N/C
N/C

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MMA7331LCR2 Summary of contents

Page 1

... Range Drawing MMA7331LCT -40 to +85°C 1977-01 MMA7331LCR1 -40 to +85°C 1977-01 MMA7331LCR2 -40 to +85°C 1977-01 * This document contains certain information on a new product. Specifications and information herein are subject to change without notice. © Freescale Semiconductor, Inc., 2010. All rights reserved. Package Shipping ...

Page 2

... X-TEMP X-TEMP X X COMP COMP OUT OUT Y-TEMP Y-TEMP Y Y OUT OUT COMP COMP Z-TEMP Z-TEMP Z Z COMP COMP OUT OUT Value Unit ±5000 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 the full scale self test input voltage and 90% of the self test output voltage. 11. 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 ...

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. (Table 3). This feature is ideal g-Range Sensitivity 4g 308 mV/g 12g 83.6 mV/g Sensors Freescale Semiconductor ...

Page 5

... Y OUT 0.1 μ OUT 7 Logic Sleep Input Figure 5. Accelerometer with Recommended Connection Diagram Sensors Freescale Semiconductor BASIC CONNECTIONS PCB Layout Self Test N/C Sleep N/C g-Select g-Select Self Test N/C N/C Figure 6. Recommended PCB Layout for Interfacing NOTES: 1. Use 0.1 µF capacitor on V source ...

Page 6

... V OUT 1.4 V OUT 1 -1g = 1.092 1.4 V Side View +Z : Arrow indicates direction of package movement. Direction of Earth's gravity field.* Side View Top Bottom 1.4 V OUT 1.4 V OUT Z @ +1g = 1.708 V OUT Bottom Top 1.4 V OUT 1.4 V OUT Z @ -1g = 1.708 V OUT Freescale Semiconductor -Z Sensors ...

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. MMA7331LC (4g only) 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 LSL Target USL 0 ...

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. MMA7331LC 8 1 10x0.8 6 14x0.6 14x0.9 Figure 8. LGA 14-Lead Die Sensor Freescale Semiconductor 13 6x2 8 12x1 Sensors ...

Page 9

... Sensors Freescale Semiconductor PACKAGE DIMENSIONS CASE 1977-01 ISSUE A 14-LEAD LGA MMA7331LC 9 ...

Page 10

... MMA7331LC 10 PACKAGE DIMENSIONS CASE 1977-01 ISSUE A 14-LEAD LGA Sensors Freescale Semiconductor ...

Page 11

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

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