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MMA7455L Datasheet(PDF) 1 Page - Freescale Semiconductor, Inc |
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MMA7455L Datasheet(HTML) 1 Page - Freescale Semiconductor, Inc |
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1 / 35 page  Document Number: MMA7455L Rev 10, 12/2009 Freescale Semiconductor Technical Data This document contains certain information on a new product. Specifications and information herein are subject to change without notice. © Freescale Semiconductor, Inc., 2007-2009. All rights reserved. ±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 detect for quick motion detection. 0g offset and sensitivity are factory set and require no external devices. The 0g offset can be customer calibrated using assigned 0g registers and g-Select which allows for command selection for 3 acceleration ranges (2g/4g/8g). The MMA7455L includes a Standby Mode that makes it ideal for handheld battery powered electronics. Features • Digital Output (I2C/SPI) • 3mm x 5mm x 1mm LGA-14 Package • 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 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) for 8-bit Mode • Robust Design, High Shocks Survivability (5,000g) • RoHS Compliant • Environmentally Preferred Product • Low Cost Typical Applications • Cell Phone/PMP/PDA: Image Stability, Text Scroll, Motion Dialing, Tap to Mute • HDD: Freefall Detection • Laptop PC: Freefall Detection, Anti-Theft • Pedometer • 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 7” Tape & Reel MMA7455LR2 –40 to +85°C LGA-14 13” Tape & Reel MMA7455L MMA7455L: XYZ-AXIS ACCELEROMETER ±2g/±4g/±8g 14 LEAD LGA CASE 1977-01 Bottom View Figure 1. Pin Connections Top View AVDD GND DVDD_IO INT1/DRDY INT2 N/C SDO SDA/SDI/SDO N/C IADDR0 N/C GND |
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