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MMA7455L
(Rev.:2007)

±2g/±4g/±8g Three Axis Low-g Digital Output Accelerometer

Freescale Semiconductor 

Freescale Semiconductor

Technical Data

±2g/±4g/±8g Three Axis Low-g

Digital Output Accelerometer

The MMA7455L is a Digital Output (I2C/SPI), low power, low profile

capacitive micromachined accelerometer featuring signal conditioning, a low

pass filter, temperature compensation, self test, configurable to detect 0g

through interrupt pins (INT1 or INT2), and pulse (click) detect for quick motion

detection. The 0g offset can be customer calibrated using assigned 0g

registers and g-Select which allows for command selection for 3 sensitivities

(2g/4g/8g). Zero-g offset and sensitivity are factory set and require no external

devices. The MMA7455L includes a Standby Mode that makes it ideal for

handheld battery powered electronics.

Features

• Digital Output (I2C/SPI) - 10-Bit at 8g Mode

• 3mm x 5mm x 1mm LGA-14 Package

• Low Current Consumption: 400 μA

• Self Test for Z-Axis

• Low Voltage Operation: 2.4 V – 3.6 V

• User Assigned Registers for Offset Calibration

• Programmable Threshold Interrupt Output

• Level/Click Detection for Motion Recognition (Shock, Vibration, Freefall)

• Pulse Detection for Single or Double Pulse Recognition

• Sensitivity (64 LSB/g @ 2g and @ 8g in 10-Bit Mode)

• Selectable Sensitivity (±2g, ±4g, ±8g)

• Robust Design, High Shocks Survivability (10,000 g)

• RoHS Compliant

• Environmentally Preferred Product

• Low Cost

Typical Applications

• Cell Phone/PMP/PDA: Image Stability, Text Scroll, Motion Dialing,

E-Compass, Tap to Mute

• HDD: Freefall Detection

• Laptop PC: Freefall Detection, Anti-Theft

• Navigation and Dead Reckoning: Position Detection, Pedometer

• E-Compass Tilt Compensation

• 3D Gaming: Tilt and Motion Sensing, Event Recorder

ORDERING INFORMATION

Part Number Temperature Range Package

Shipping

MMA7455LT

–40 to +85°C

LGA-14

Tray

MMA7455LR1

–40 to +85°C

LGA-14 Tape & Reel (7” Reel)

MMA7455LR2

–40 to +85°C

LGA-14 Tape & Reel (13” Reel)

Document Number: MMA7455L

Rev 1, 11/2007

MMA7455L

MMA7455L: XYZ AXIS

ACCELEROMETER

±2G/±4G/±8G

Bottom View

14 LEAD

LGA

CASE 1977-01

Top View

INT1/DRDY

INT2

N/C

Reserved

SDO

SDA/SDI/SDO

AVdd

GND

IADDR0

N/C

GND

DVdd_IO

Figure 1. Pin Connections

This document contains certain information on a new product.

Specifications and information herein are subject to change without notice.

© Freescale Semiconductor, Inc., 2007. All rights reserved.

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