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妀こ靡備ㄩU.S. MMA triaxial accelerometer MMA7455L

U.S. MMA triaxial accelerometer MMA7455L

Product introductionㄩ

U.S. MMA triaxial accelerometer MMA7455L

Freescale Semiconductor
Technical Data
This document contains certain information on a new product.
Specifications and information herein are subject to change without notice.
TEL:0755-82915399 FAX:0755-82915228 www.sz-sensor.com
㊣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.
• Digital Output (I2C/SPI)
• 3mm x 5mm x 1mm LGA-14 Package
• Low Current Consumption: 400 米A
• Self-Test for Z-Axis
• Low Voltage Operation: 2.4 V 每 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
• HDD: Freefall Detection
• Laptop PC: Freefall Detection, Anti-Theft
• Pedometer
• Motion Sensing, Event Recorder
Part Number Temperature Range Package Shipping
MMA7455LT 每40 to +85∼C LGA-14 Tray
MMA7455LR1 每40 to +85∼C LGA-14 7§ Tape & Reel
MMA7455LR2 每40 to +85∼C LGA-14 13§ Tape & Reel

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