Offset Drift 1 g Dual Axis Accelerometer
Ultra Low Noise, Offset Drift ±1 g Dual Axis Accelerometer with Analog Outputs
MXA2500E
FEATURES Better than 1 milli-g ...
Description
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 ±...
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