Dual-Axis 1.7 g Accelerometer with SPI Interface Data Sheet ADIS16003 FEATURES GENERAL DESCRIPTION Dual-axis accelerometer The ADIS16003 is a low cost, low power, complete dual-axis SPI digital output interface accelerometer with an integrated serial peripheral interface Internal temperature sensor (SPI). An integrated temperature sensor is also available on the Highly integrated minimal external components SPI interface. The ADIS16003 measures acceleration with a full- Bandwidth externally selectable scale range of 1.7 g (minimum), and it can measure both dynamic 1 mg resolution at 60 Hz acceleration (vibration) and static acceleration (gravity). Externally controlled electrostatic self-test The typical noise floor is 110 g/Hz, allowing signals below 3.0 V to 5.25 V single-supply operation 1 mg (60 Hz bandwidth) to be resolved. Low power: <2 mA The bandwidth of the accelerometer is set with optional capaci- 3500 g shock survival tors CX and CY at the XFILT and YFILT pins. Selection of the 7.2 mm 7.2 mm 3.7 mm package two analog input channels is controlled via the serial interface. An externally driven self-test pin (ST) allows the user to verify APPLICATIONS the accelerometer functionality. Industrial vibration/motion sensing The ADIS16003 is available in a 7.2 mm 7.2 mm 3.7 mm, Platform stabilization 12-terminal LGA package. Dual-axis tilt sensing Tracking, recording, and analysis devices Alarms and security devices FUNCTIONAL BLOCK DIAGRAM V CC SCLK DUAL-AXIS DIN SERIAL 1.7g INTERFACE ACCELEROMETER DOUT CS C DC TCS TEMP SENSOR COM ST YFILT XFILT C C Y X Figure 1. Rev. B Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. rights of third parties that may result from its use. Specifications subject to change without notice. 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Trademarks and registered trademarks are the property of their respective owners. 056463-001ADIS16003 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Self-Test ....................................................................................... 11 Applications....................................................................................... 1 Serial Interface ............................................................................ 11 General Description ......................................................................... 1 Accelerometer Serial Interface.................................................. 11 Functional Block Diagram .............................................................. 1 Temperature Sensor Serial Interface........................................ 12 Revision History ............................................................................... 2 Power Supply Decoupling ......................................................... 12 Specifications..................................................................................... 3 Setting the Bandwidth ............................................................... 13 Timing Specifications .................................................................. 4 Selecting Filter Characteristics: The Noise/Bandwidth Trade- Off................................................................................................. 13 Circuit and Timing Diagrams..................................................... 5 Applications Information .............................................................. 15 Absolute Maximum Ratings............................................................ 6 Dual-Axis Tilt Sensor ................................................................ 15 ESD Caution.................................................................................. 6 Second Level Assembly ............................................................. 15 Pin Configuration and Function Descriptions............................. 7 Outline Dimensions....................................................................... 16 Typical Performance Characteristics ............................................. 8 Ordering Guide .......................................................................... 16 Theory of Operation ...................................................................... 11 Accelerometer Data Format...................................................... 11 REVISION HISTORY 3/12Rev. A to Rev. B Added Accelerometer Data Format Section and Table 6 Renumbered Sequentially.............................................................. 11 10/07Rev. 0 to Rev. A Changes to Features and General Description ............................. 1 Added Note 6 to Table 2 .................................................................. 4 Changes to Figure 5.......................................................................... 6 Changes to Serial Interface Section and Layout ......................... 11 Changes to Layout .......................................................................... 14 Deleted Figure 24 and Table 11..................................................... 14 Changes to Converting Acceleration to Tilt Section and Second-Level Assembly Section ................................................... 15 Updated Outline Dimensions ....................................................... 16 Changes to Ordering Guide .......................................................... 16 10/05Revision 0: Initial Version Rev. B Page 2 of 16