MMA7455LT MMA7455LT資料 規格書

3軸加速度傳感器,內部濾波算法,內部IIC協議,數字輸出, 適用于手機娛樂功能一\汽車電子\高檔電子玩具\健身器械。

應用于手機時的功能：

1,待機時,換墻紙

2,MP3或MP4時換音樂或MP4

3,播放MP4時自動切換方向

4,讀電子時,翻頁.

5,來電時,翻轉靜音

6,待機時,敲動出現時鐘或報號

7,計步器功能

8,搖骰子游戲功能

9,快捷撥號功能(四個方向設置不同的電話撥號)

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