Datasheet ADXL363 (Analog Devices) - 6

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Data Sheet ADXL363 Parameter Test Conditions/Comments Min Typ Max Unit
Measured in LSB/g ±2 g range 1000 LSB/g ±4 g range 500 LSB/g ±8 g range 250 LSB/g Scale Factor Change Due to Temperature3 −40°C to +85°C 0.05 %/°C 0 g OFFSET 0 g Output XOUT, YOUT −150 ±35 +150 mg ZOUT −250 ±50 +250 mg 0 g Offset vs. Temperature3 Normal Operation XOUT, YOUT ±0.5 mg/°C ZOUT ±0.6 mg/°C Low Noise Mode and Ultralow Noise Mode XOUT, YOUT, ZOUT ±0.35 mg/°C NOISE PERFORMANCE Noise Density Normal Operation XOUT, YOUT 550 µg/√Hz ZOUT 920 µg/√Hz Low Noise Mode XOUT, YOUT 400 µg/√Hz ZOUT 550 µg/√Hz Ultralow Noise Mode XOUT, YOUT 250 µg/√Hz ZOUT 350 µg/√Hz VS = 3.5 V; XOUT, YOUT 175 µg/√Hz VS = 3.5 V; ZOUT 250 µg/√Hz BANDWIDTH Low-Pass (Antialiasing) Filter, −3 dB Corner HALF_BW = 0 ODR/2 Hz HALF_BW = 1 ODR/4 Hz Output Data Rate (ODR) User selectable in eight steps 12.5 400 Hz SELF TEST Output Change4 XOUT 450 580 710 mg YOUT −710 −580 −450 mg ZOUT 350 500 650 mg 1 Cross axis sensitivity is defined as coupling between any two axes. 2 Refer to Figure 29 for current consumption at other bandwidth settings. 3 −40°C to +25°C or +25°C to +85°C. 4 Self test change is defined as the output change in g when self test is asserted.
TEMPERATURE SENSOR SPECIFICATIONS Table 3. Parameter Test Conditions/Comments Min Typ Max Unit
BIAS At 25°C Average 350 LSB Standard Deviation 290 LSB SCALE FACTOR Average 0.065 °C/LSB Standard Deviation 0.0025 °C/LSB Repeatability ±0.5 °C OUTPUT RESOLUTION 12 Bits Rev. 0 | Page 5 of 48 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications ADXL363 Specifications Accelerometer Specifications Temperature Sensor Specifications 12-Bit ADC Specifications Absolute Maximum Ratings Thermal Resistance Recommended Soldering Profile ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Accelerometer Mechanical Device Operation Operating Modes Measurement Mode Wake-Up Mode Standby Selectable Measurement Ranges Selectable Output Data Rates Antialiasing Power/Noise Tradeoff Free Fall Detection ADC Analog Inputs Digital Output Temperature Sensor Power Savings Features Ultralow Power Consumption in All Modes, Operating All Sensors Motion Detection Activity Detection Referenced and Absolute Configurations Fewer False Positives Inactivity Detection Linking Activity and Inactivity Detection Default Mode Linked Mode Loop Mode Autosleep Using the Awake Bit FIFO System Level Power Savings Data Recording/Event Context Communications SPI Instructions Bus Keepers MSB Registers Additional Features External Clock Synchronized Data Sampling Self Test User Register Protection Serial Communications SPI Commands Read and Write Register Commands Read FIFO Command Multibyte Transfers Register Read/Write Auto-Increment Invalid Addresses and Address Folding Latency Restrictions Invalid Commands Register Map Register Details Device ID Registers Silicon Revision ID Register X-Axis Data (8 MSB) Register Y-Axis Data (8 MSB) Register Z-Axis Data (8 MSB) Register Status Register FIFO Entries Registers X-Axis Data Registers Y-Axis Data Registers Z-Axis Data Registers Temperature Data Registers ADC Data Registers Soft Reset Register Activity Threshold Registers Activity Time Register Inactivity Threshold Registers Inactivity Time Registers Activity/Inactivity Control Register FIFO Control Register FIFO Samples Register INT1/INT2 Function Map Registers Filter Control Register Power Control Register Self Test Register Applications Information Application Examples Device Configuration Autonomous Motion Switch Startup Routine Using External Timing Using an External Clock Using Synchronized Data Sampling How to Set Up Synchronized Data Sampling Power Power Supply Decoupling Power Supply Requirements FIFO Modes FIFO Disabled Oldest Saved Mode Stream Mode Triggered Mode FIFO Configuration FIFO Interrupts Retrieving Data from FIFO Interrupts Interrupt Pins Alternate Functions of Interrupt Pins Activity and Inactivity Interrupts Data Ready Interrupt Using FIFO Interrupts FIFO Watermark FIFO Ready Overrun Using Self Test Operation at Voltages Other Than 2.0 V Mechanical Considerations for Mounting Axes of Acceleration Sensitivity Layout and Design Recommendations Outline Dimensions Ordering Guide