Datasheet ADXL312 (Analog Devices) - 8

Data Sheet ADXL312 TYPICAL PERFORMANCE CHARACTERISTICS
N > 1000, unless otherwise noted.
40 40 35 35 ) ) % % ( 30 ( 30 TION TION A 25 A 25 L L PU PU 20 20 PO PO F F O O T 15 T 15 EN EN C C 10 10 PER PER 5 5 0 0 –150 –120 –90 –60 –30 0 30 60 90 120 150
003
0 5 0 5 0 5 0 5 0 5 0 5 0 0. 1. 1. 2. 2. 3. ZERO g OFFSET (mg ) –3. –2. –2. –1. –1. –0.
006 08791-
ZERO g TEMPERATURE COEFFICIENT (mg /°C)
08791- Figure 3. X-Axis Zero-g Bias. 25°C, VS = VDD I/O = 3.3 V Figure 6. X-Axis Zero-g Bias Drift, VS = VDD I/O = 3.3 V
35 40 30 35 ) ) % % ( ( 30 25 TION TION A A 25 L L 20 PU PU 20 PO PO F 15 F O O T T 15 EN EN C 10 C 10 PER PER 5 5 0 0 –150 –120 –90 –60 –30 0 30 60 90 120 150
004
0 5 0 5 0 5 0 5 0 5 0 5 0 0. 1. 1. 2. 2. 3. ZERO g OFFSET (mg ) –3. –2. –2. –1. –1. –0.
007 08791-
ZERO g TEMPERATURE COEFFICIENT (mg /°C)
08791- Figure 4. Y Axis Zero-g Bias, 25°C, VS = VDD I/O = 3.3 V Figure 7. Y-Axis Zero-g Bias Drift, VS = VDD I/O = 3.3 V
50 25 45 ) 40 ) 20 % % ( ( 35 TION TION A A L 30 L 15 PU PU 25 PO PO F F O 20 O 10 T T EN 15 EN C C PER 10 PER 5 5 0 0 –250 –200 –150 –100 –50 0 50 100 150 200 250
005
0 5 0 5 0 5 0 5 0 5 0 5 0 0. 1. 1. 2. 2. 3. ZERO g OFFSET (mg ) –3. –2. –2. –1. –1. –0.
008 08791-
ZERO g TEMPERATURE COEFFICIENT (mg /°C)
08791- Figure 5. Z Axis Zero-g Bias, 25°C, VS = VDD I/O = 3.3 V Figure 8. Z-Axis Zero-g Bias Drift, VS = VDD I/O = 3.3 V Rev. B | Page 7 of 32 Document Outline Features Applications General Description Functional Block Diagram Revision History Specifications Absolute Maximum Ratings Thermal Resistance ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Theory of Operation Power Sequencing Power Savings Power Modes Autosleep Mode Standby Mode Serial Communications Serial Port I/O Default states SPI Preventing Bus Traffic Errors I2C Interrupts DATA_READY Activity Inactivity Watermark Overrun FIFO Bypass Mode FIFO Mode Stream Mode Trigger Mode Retrieving Data from FIFO Self-Test Register Map Register Definitions Register 0x00—DEVID (Read Only) Register 0x1E, Register 0x1F, Register 0x20—OFSX, OFSY, OFSZ (Read/Write) Register 0x24—THRESH_ACT (Read/Write) Register 0x25—THRESH_INACT (Read/Write) Register 0x26—TIME_INACT (Read/Write) Register 0x27—ACT_INACT_CTL (Read/Write) ACT AC/DC and INACT AC/DC Bits ACT_x Enable Bits and INACT_x Enable Bits Register 0x2C—BW_RATE (Read/Write) LOW_POWER Bit Rate Bits Register 0x2D—POWER_CTL (Read/Write) Link Bit AUTO_SLEEP Bit Measure Bit Sleep Bit Wake-Up Bits Register 0x2E—INT_ENABLE (Read/Write) Register 0x2F—INT_MAP (Read/Write) Register 0x30—INT_SOURCE (Read Only) Register 0x31—DATA_FORMAT (Read/Write) SELF_TEST Bit SPI Bit INT_INVERT Bit FULL_RES Bit Justify Bit Range Bits Register 0x32 to Register 0x37—DATAX0, DATAX1, DATAY0, DATAY1, DATAZ0, DATAZ1 (Read Only) Register 0x38—FIFO_CTL (Read/Write) FIFO_MODE Bits Trigger Bit Samples Bits 0x39—FIFO_STATUS (Read Only) FIFO_TRIG Bit Entries Bits Applications Information Power Supply Decoupling Mechanical Considerations for Mounting Threshold Link Mode Sleep Mode vs. Low Power Mode Using Self-Test Data Formatting of Upper Data Rates Noise Performance Axes of Acceleration Sensitivity Solder Profile Outline Dimensions Ordering Guide Automotive Products