Datasheet ADXL356, ADXL357 (Analog Devices) - 2

HerstellerAnalog Devices
BeschreibungLow Noise, Low Drift, Low Power, 3-Axis MEMS Accelerometers with Digital Output
Seiten / Seite42 / 2 — ADXL356/ADXL357. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY …
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ADXL356/ADXL357. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 2/2017—Revision 0: Initial Version

ADXL356/ADXL357 Data Sheet TABLE OF CONTENTS REVISION HISTORY 2/2017—Revision 0: Initial Version

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ADXL356/ADXL357 Data Sheet TABLE OF CONTENTS
Features .. 1 FIFO_FULL ... 29 Applications ... 1 FIFO_OVR .. 29 Functional Block Diagrams ... 1 Activity ... 29 General Description ... 1 External Synchronization and Interpolation .. 29 Revision History ... 2 ADXL357 Register Map ... 32 Specifications ... 3 Register Definitions.. 33 Analog Output for the ADXL356 ... 3 Analog Devices ID Register .. 33 Digital Output for the ADXL357.. 4 Analog Devices MEMS ID Register ... 33 SPI Digital Interface Characteristics for the ADXL357... 6 Device ID Register ... 33 I2C Digital Interface Characteristics for the ADXL357 ... 7 Product Revision ID Register ... 33 Absolute Maximum Ratings .. 8 Status Register ... 33 Thermal Resistance .. 8 FIFO Entries Register .. 34 Recommended Soldering Profile ... 8 Temperature Data Registers .. 34 ESD Caution .. 8 X-Axis Data Registers .. 34 Pin Configurations and Function Descriptions ... 9 Y-Axis Data Registers .. 35 Typical Performance Characteristics ... 11 Z-Axis Data Registers .. 35 Root Allan Variance (RAV) ADXL357 Characteristics ... 19 FIFO Access Register ... 36 Theory of Operation .. 20 X-Axis Offset Trim Registers .. 36 Applications Information .. 21 Y-Axis Offset Trim Registers .. 36 Analog Output .. 21 Z-Axis Offset Trim Registers .. 37 Digital Output ... 21 Activity Enable Register .. 37 Axes of Acceleration Sensitivity ... 22 Activity Threshold Registers ... 37 Power Sequencing .. 22 Activity Count Register ... 37 Power Supply Description ... 22 Filter Settings Register ... 38 Overrange Protection ... 22 FIFO Samples Register .. 38 Self Test .. 22 Interrupt Pin (INTx) Function Map Register .. 38 Filter ... 23 Data Synchronization .. 39 Serial Communications ... 25 I2C Speed, Interrupt Polarity, and Range Register ... 39 SPI Protocol ... 25 Power Control Register.. 39 I2C Protocol ... 26 Self Test Register ... 40 Reading Acceleration or Temperature Data from the Interface Reset Register .. 40 ... 26 PCB Footprint Pattern ... 41 FIFO ... 28 Outline Dimensions ... 42 Interrupts ... 29 Ordering Guide .. 42 DATA_RDY ... 29 DRDY Pin .. 29
REVISION HISTORY 2/2017—Revision 0: Initial Version
Rev. 0 | Page 2 of 42 Document Outline Features Applications Functional Block Diagrams General Description Revision History Specifications Analog Output for the ADXL356 Digital Output for the ADXL357 SPI Digital Interface Characteristics for the ADXL357 I2C Digital Interface Characteristics for the ADXL357 Absolute Maximum Ratings Thermal Resistance Recommended Soldering Profile ESD Caution Pin Configurations and Function Descriptions Typical Performance Characteristics Root Allan Variance (RAV) ADXL357 Characteristics Theory of Operation Applications Information Analog Output Digital Output Axes of Acceleration Sensitivity Power Sequencing Power Supply Description VSUPPLY V1P8ANA V1P8DIG VDDIO Overrange Protection Self Test Filter Serial Communications SPI Protocol I2C Protocol Reading Acceleration or Temperature Data from the Interface FIFO Interrupts DATA_RDY DRDY Pin FIFO_FULL FIFO_OVR Activity NVM_BUSY External Synchronization and Interpolation EXT_SYNC = 00—No External Sync or Interpolation EXT_SYNC = 10—External Sync with Interpolation EXT_SYNC = 01—External Sync and External Clock, No Interpolation Filter ADXL357 Register Map Register Definitions Analog Devices ID Register Address: 0x00, Reset: 0xAD, Name: DEVID_AD Analog Devices MEMS ID Register Address: 0x01, Reset: 0x1D, Name: DEVID_MST Device ID Register Address: 0x02, Reset: 0xED, Name: PARTID Product Revision ID Register Address: 0x03, Reset: 0x01, Name: REVID Status Register Address: 0x04, Reset: 0x00, Name: Status FIFO Entries Register Address: 0x05, Reset: 0x00, Name: FIFO_ENTRIES Temperature Data Registers Address: 0x06, Reset: 0x00, Name: TEMP2 Address: 0x07, Reset: 0x00, Name: TEMP1 X-Axis Data Registers Address: 0x08, Reset: 0x00, Name: XDATA3 Address: 0x09, Reset: 0x00, Name: XDATA2 Address: 0x0A, Reset: 0x00, Name: XDATA1 Y-Axis Data Registers Address: 0x0B, Reset: 0x00, Name: YDATA3 Address: 0x0C, Reset: 0x00, Name: YDATA2 Address: 0x0D, Reset: 0x00, Name: YDATA1 Z-Axis Data Registers Address: 0x0E, Reset: 0x00, Name: ZDATA3 Address: 0x0F, Reset: 0x00, Name: ZDATA2 Address: 0x10, Reset: 0x00, Name: ZDATA1 FIFO Access Register Address: 0x11, Reset: 0x00, Name: FIFO_DATA X-Axis Offset Trim Registers Address: 0x1E, Reset: 0x00, Name: OFFSET_X_H Address: 0x1F, Reset: 0x00, Name: OFFSET_X_L Y-Axis Offset Trim Registers Address: 0x20, Reset: 0x00, Name: OFFSET_Y_H Address: 0x21, Reset: 0x00, Name: OFFSET_Y_L Z-Axis Offset Trim Registers Address: 0x22, Reset: 0x00, Name: OFFSET_Z_H Address: 0x23, Reset: 0x00, Name: OFFSET_Z_L Activity Enable Register Address: 0x24, Reset: 0x00, Name: ACT_EN Activity Threshold Registers Address: 0x25, Reset: 0x00, Name: ACT_THRESH_H Address: 0x26, Reset: 0x00, Name: ACT_THRESH_L Activity Count Register Address: 0x27, Reset: 0x01, Name: ACT_COUNT Filter Settings Register Address: 0x28, Reset: 0x00, Name: Filter FIFO Samples Register Address: 0x29, Reset: 0x60, Name: FIFO_SAMPLES Interrupt Pin (INTx) Function Map Register Address: 0x2A, Reset: 0x00, Name: INT_MAP Data Synchronization Address: 0x2B, Reset: 0x00, Name: Sync I2C Speed, Interrupt Polarity, and Range Register Address: 0x2C, Reset: 0x81, Name: Range Power Control Register Address: 0x2D, Reset: 0x01, Name: POWER_CTL Self Test Register Address: 0x2E, Reset: 0x00, Name: SELF_TEST Reset Register Address: 0x2F, Reset: 0x00, Name: Reset PCB Footprint Pattern Outline Dimensions Ordering Guide