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

The MMA7456L 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 MMA7456L 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

MMA7456LT屬于傳感器，變送器 > 運動傳感器 - 加速計。恩智浦半導(dǎo)體公司制造生產(chǎn)的MMA7456LT運動傳感器 - 加速計加速度計用于檢測并響應(yīng)運動或振動等加速度的變化。加速度計類型有 X、Y 或 Z 軸上的模擬或數(shù)字加速度計，加速度范圍為 ±0.5 g 至 ±2000 g，靈敏度為 1 至 500 k (LSB/g)，輸出類型有模擬電壓、藍牙、數(shù)字、DSI、IEPE、I2C、PCM、PWM、射頻和 SPI。