MXA2500M

Improved, Ultra Low Noise ±1.7 g Dual Axis Accelerometer with Absolute Outputs MXA2500G/M FEATURES Resolution better than 1 milli-g Dual axis accelerometer fabricated on a monolithic CMOS IC On chip mixed mode signal processing No moving parts 50,000 g shock survival rating 17 Hz bandwidth expandable to >160 Hz 3.0V to 5.25V single supply continuous operation Continuous self test Independent axis programmability (special order) Internal Sensitivity Compensated Sck (optional) Internal Oscillator Temperature Sensor TOUT CLK Voltage Reference VREF Heater Control Continous Self Test X axis Low Pass Filter AOUTX APPLICATIONS Automotive – Vehicle Security/Vehicle Stability control/ Headlight Angle Control/Tilt Sensing Security – Gas Line/Elevator/Fatigue Sensing/Computer Security Information Appliances – Computer Peripherals/PDA’s/Mouse Smart Pens/Cell Phones 2-AXIS SENSOR Factory Adjust Offset & Gain Y axis Low Pass Filter AOUTY VDD Gnd VDA MXA2500G/M FUNCTIONAL BLOCK DIAGRAM Gaming – Joystick/RF Interface/Menu Selection/Tilt Sensing GPS – Electronic compass tilt correction Consumer – LCD projectors, pedometers, blood pressure Monitor, digital cameras GENERAL DESCRIPTION The MXA2500G/M is a low cost, dual axis accelerometer fabricated on a standard, submicron CMOS process. It is a complete sensing system with on-chip mixed mode signal processing. The MXA2500G/M measures acceleration with a full-scale range of ±1.7g and a sensitivity of 500mV/g @5V at 25°C. It ...