3-AXIS DIGITAL ACCELEROMETER

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Description

The MMA7455 is a Digital Output (I2C/SPI), low power, low profile capacitive micro
machined 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 hand held battery powered
electronics.

FEATURES:- 

  1. SELF-TEST FOR Z-AXIS
  2. USER ASSIGNED REGISTERS FOR OFFSET CALIBRATION
  3. PROGRAMMABLE THRESHOLD INTERRUPT OUTPUT
  4. LEVEL DETECTION FOR MOTION RECOGNITION (SHOCK, VIBRATION, FREEFALL)
  5. PULSE DETECTION FOR SINGLE OR DOUBLE PULSE RECOGNITION
  6. ROBUST DESIGN, HIGH SHOCKS SURVIVABILITY (5,000G)
  7. EASY TO MOUNT MALE HEADER INTERFACE
  8. COMPACT DESIGN
  9. VERY LOW COST

APPLICATION:-

  1. 3D GAMING: TILT AND MOTION SENSING, EVENT RECORDER
  2. HDD MP3 PLAYER: FREEFALL DETECTION
  3. LAPTOP PC: FREEFALL DETECTION, ANTI-THEFT
  4. CELL PHONE: IMAGE STABILITY, TEXT SCROLL, MOTION DIALING, E-COMPASS
  5. PEDOMETER
  6. NAVIGATION AND DEAD RECKONING: E-COMPASS TILT COMPENSATION
  7. ROBOTICS: MOTION SENSING

Additional information

Weight 2 g
Dimensions 25 x 25 x 15 mm
OPERATING VOLTAGE

4.5 TO 5V DC

DIGITAL OUTPUT

I2C/SPI

LOW CURRENT CONSUMPTION

400 ΜA

SENSITIVITY

64 LSB/g @ 2g and @ 8g in 10-Bit Mode

SELECTABLE SENSITIVITY

(±2g, ±4g, ±8g) for 8-bit Mode

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