Datasheet ADXL345 (Analog Devices) - 3

ADXL345 Data Sheet TABLE OF CONTENTS Features .. 1 Self-Test ... 22 Applications ... 1 Register Map ... 23 General Description ... 1 Register Definitions ... 24 Functional Block Diagram .. 1 Applications Information .. 28 Revision History ... 3 Power Supply Decoupling ... 28 Specifications ... 4 Mechanical Considerations for Mounting .. 28 Absolute Maximum Ratings .. 6 Tap Detection .. 28 Thermal Resistance .. 6 Threshold .. 29 Package Information .. 6 Link Mode ... 29 ESD Caution .. 6 Sleep Mode vs. Low Power Mode... 30 Pin Configuration and Function Descriptions ... 7 Offset Calibration ... 30 Typical Performance Characteristics ... 8 Using Self-Test .. 31 Theory of Operation .. 13 Data Formatting of Upper Data Rates ... 32 Power Sequencing .. 13 Noise Performance ... 33 Power Savings ... 14 Operation at Voltages Other Than 2.5 V .. 33 Serial Communications ... 15 Offset Performance at Lowest Data Rates ... 34 SPI ... 15 Axes of Acceleration Sensitivity ... 35 I2C ... 18 Layout and Design Recommendations ... 36 Interrupts ... 20 Outline Dimensions ... 37 FIFO ... 21 Ordering Guide .. 37 Rev. E | Page 2 of 40