Small, Low Power, 3-Axis 200 g Accelerometer Data Sheet ADXL377 FEATURES GENERAL DESCRIPTION 3-axis sensing The ADXL377 is a small, thin, low power, complete 3-axis Small, low profile package accelerometer with signal conditioned voltage outputs. The 3 mm 3 mm 1.45 mm LFCSP ADXL377 measures acceleration resulting from motion, shock, Low power: 300 A (typical) or vibration with a typical full-scale range of 200 g. Single-supply operation: 1.8 V to 3.6 V The user selects the bandwidth of the accelerometer using 10,000 g shock survival the C , C , and C capacitors at the X , Y , and Z pins. X Y Z OUT OUT OUT Excellent temperature stability Bandwidths can be selected to suit the application, with a range Bandwidth adjustment with a single capacitor per axis of 0.5 Hz to 1300 Hz for the x-axis and y-axis and a range of RoHS/WEEE and lead-free compliant 0.5 Hz to 1000 Hz for the z-axis. APPLICATIONS The ADXL377 is available in a small, low profile, 3 mm 3 mm Concussion and head trauma detection 1.45 mm, 16-lead lead frame chip scale package (LFCSP LQ). High force event detection FUNCTIONAL BLOCK DIAGRAM +3V V S ADXL377 X 32k OUT OUTPUT AMPLIFIERS AC C AMPLIFIER X C Y 32k OUT DC DEMODULATOR C Y 3-AXIS SENSOR Z 32k OUT C Z GND ST Figure 1. Rev. B Document Feedback 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. No Tel: 781.329.4700 20122019 Analog Devices, Inc. All rights reserved. license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarks and registered trademarks are the property of their respective owners. Technical Support www.analog.com 10765-001ADXL377 Data Sheet TABLE OF CONTENTS Features .............................................................................................. 1 Performance ...................................................................................8 Applications ....................................................................................... 1 Applications Information .................................................................9 General Description ......................................................................... 1 Power Supply Decoupling ............................................................9 Functional Block Diagram .............................................................. 1 Setting the Bandwidth Using CX, CY, and CZ .............................9 Revision History ............................................................................... 2 Self-Test ..........................................................................................9 Specifications ..................................................................................... 3 Selecting Filter Characteristics: Noise/Bandwidth Trade-Off ....... 9 Absolute Maximum Ratings ............................................................ 4 Axes of Acceleration Sensitivity ............................................... 10 ESD Caution .................................................................................. 4 Layout and Design Recommendations ................................... 11 Pin Configuration and Function Descriptions ............................. 5 Outline Dimensions ....................................................................... 12 Typical Performance Characteristics ............................................. 6 Ordering Guide .......................................................................... 12 Theory of Operation ........................................................................ 8 Mechanical Sensor ........................................................................ 8 REVISION HISTORY 4/2019Rev. A to Rev. B 9/2012Revision 0: Initial Version Changes to Table 2 ............................................................................. 4 9/2018Rev. 0 to Rev. A Changes to Operating Temperature Range Parameter, Table 2 ....... 4 Updated Outline Dimensions ....................................................... 12 Changes to Ordering Guide .......................................................... 12 Rev. B Page 2 of 12