Improved, Ultra Low Noise ±1.7 g Dual Axis Accelerometer with Absolute Outputs
MXA2500G/M
FEATURES
Resolution better th...
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 ...