ADXL345BCCZ Analog Devices Inc, ADXL345BCCZ Datasheet - Page 2

• Manufacturer Part Number: ADXL345BCCZ
• Description: IC ACCEL SPI/I2C 3AX 3G 14LGA
• Manufacturer: Analog Devices Inc
• Series: iMEMS®r

Specifications of ADXL345BCCZ

• Acceleration Range: ±2g, 4g, 8g, 16g
• Design Resources: Sensing Low-g Acceleration Using ADXL345 Digital Accelerometer Connected to ADuC7024 (CN0133)
• Axis: X, Y, Z
• Sensitivity: 256LSB/g, 128LSB/g, 64LSB/g, 32LSB/g
• Voltage - Supply: 2 V ~ 3.6 V
• Output Type: Digital
• Bandwidth: 6.25Hz ~ 3.2kHz Selectable
• Interface: I²C, SPI
• Mounting Type: Surface Mount
• Package / Case: 14-LGA
• No. Of Axes: 3
• Sensor Case Style: LGA
• No. Of Pins: 14
• Supply Voltage Range: 2V To 3.6V
• Operating Temperature Range: -40°C To +85°C
• Package: 14LGA
• Acceleration: ±2/±4/±8/±16 g
• Axis Type: Triple
• Operating Supply Voltage: 2 to 3.6 V
• Mounting: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: EVAL-ADXL345Z - BOARD EVALUATION FOR ADXL345EVAL-ADXL345Z-S - BOARD SATELLITE FOR ADXL345Z-MEVAL-ADXL345Z-M - BOARD EVAL FOR ADXL345
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: Q4372599

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