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Volume 9, Issue 4 | YOUR SEMICONDUCTOR SOLUTIONS RESOURCE |
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C o n t e n t s Integrated MEMS-Based Devices >> ADC Eases Complexities of Monitoring Systems >> Digital Resistors Save Space >> Data Acquisition Chip Reduces Components >> High Accuracy PulSAR ADCs >> High Voltage, Precision Current Monitors >> Versatile Instrumentation Amplifiers >> Precision Difference Amps Provide Lowest Distortion >> ADA4091-2 Op Amp >> FastFET Amplifier Provides Twice the Bandwidth >> FastFET Amplifiers Double the Speed >> Evaluation System Provides Process Control Solution >> Sequencers: A Cost Effective Solution >> Supervisors and Timers Deliver Increased Accuracy >> Protect Communications Networks >> First Signal and Power Isolated Transciever in an SMT >> Digital Sensors: 0.5°C Accuracy >> Quad SPST Switches Offer 2 Ω Max On Resistance >> Isolated Half-Bridge Gate Drivers >> iMEMS Accelerometer >> Ultralow Power Motion Sensor >>
All prices in this bulletin are in USD in quantities greater than 1000 (unless otherwise noted), recommended lowest grade resale, FOB U.S.A.
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Ultralow Power, ±2 g/±4 g/±8 g/±16 g Motion Sensor Enhances User Experience and Extends Battery Life in Portable Instrumentation
Motion sensing functionality in portable industrial instrumentation devices offers multiple benefits including an enhanced user experience and extended battery life. The ultralow power ADXL345, 3-axis iMEMS digital accelerometer offers 4 mg resolution and built-in motion detection functionality including single/double tap sensing, activity/inactivity sensing that detects presence or lack of motion and whether the acceleration on any axis exceeds a user-set level, and free-fall sensing. These functions can be mapped to interrupt output pins. The ADXL345 accelerometer consumes only 130 µA in full activity across a wide bandwidth of 160 Hz and features a 32 level output data FIFO to minimize host processor load and save even more overall system power consumption to preserve battery life. It is available in a 3 mm × 5 mm × 1 mm, 14-lead LGA package.
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