MXA2500E

Ultra Low Noise, Offset Drift ±1 g Dual Axis Accelerometer with Analog Outputs MXA2500E FEATURES Better than 1 milli-g resolution 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 3V to 5.25V single supply continuous operation Small (5mm x 5mm x 2mm) surface mount package Continuous self test Custom programmable specifications Independent axis programmability (special order) Sck (optional) Internal Oscillator Temperature Sensor TOUT CLK Voltage Reference Continous Self Test VREF Heater Control X axis Low Pass Filter AOUTX Factory Adjust Offset & Gain APPLICATIONS Automotive – Vehicle Security/Active Suspension/ABS Headlight Angle Control/Tilt Sensing Security – Gas Line/Elevator/Fatigue Sensing Office Equipment – Computer Peripherals/PDA’s/Mouse Smart Pens/Cell Phones Gaming – Joystick/RF Interface/Menu Selection/Tilt Sensing White Goods – Spin/Vibration Control Y axis 2-AXIS SENSOR Low Pass Filter AOUTY VDD Gnd VDA MXA2500E FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION The MXA2500E is an ultra low noise and low cost, dual axis accelerometer fabricated on a standard, submicron CMOS process. It is a complete sensing system with onchip mixed mode signal processing. The MXA2500E measures acceleration with a full-scale range of ±1 g and a sensitivity of 500mV/g at 25°C. (The MEMSIC accelerometer product line extends from ±0.5g to ±...