MXR9500G/M

Low Cost +/-1.5 g Tri Axis Accelerometer with Ratiometric Outputs

Features

Low cost
RoHS compliant
Resolution better than 1 milli-g
Tri-axis accelerometer in a single package.
On chip mixed signal processing
No moving parts
No loose particle issues
>50,000 g shock survival rating
SMT package: 7mm X 7mm X 1.8mm
2.7V to 3.6V single supply continuous operation
No adjusting external components needed

Application

• GPS
  Electronic Compass Tilt Correction/Navigation
  
• Consumer
  LCD projectors, pedometers, blood pressure, Monitor, digital cameras/MP3 players
  
• Information Appliances
  Computer Peripherals/PDA's/Mouse Smart Pens/Cell Phones
  
• Gaming
  Joystick/RF Interface/Menu Selection/Tilt Sensing
  
• Security
  Gas Line/Elevator/Fatigue Sensing
  

General Description

The MXR9500G/M is a low cost, tri axis accelerometer fabricated on a standard, submicron CMOS process. It is a complete sensing system with on-chip mixed signal processing. The MXR9500G/M measures acceleration with a full-scale range of +/- 1.5 g and a sensitivity of 500mV/g @3.0V at 25°. It can measure both dynamic acceleration (e.g. vibration) and static acceleration (e.g. gravity). The MXR9500G/M design is based on heat convection and requires no solid proof mass. This eliminates stiction and particle problems associated with competitive devices and provides shock survival greater than 50,000 g, leading to significantly lower failure rate and lower loss due to handling during PCB assembly and at customer field application.

The MXR9500G/M provides three ratiometric analog outputs that are set to 50% of the power supply voltage at zero g.