EVAL-ADXL343Z Analog Devices, EVAL-ADXL343Z Datasheet
![no-image](/images/manufacturer_photos/0/0/56/analog_devices_sml.jpg)
EVAL-ADXL343Z
Specifications of EVAL-ADXL343Z
Related parts for EVAL-ADXL343Z
EVAL-ADXL343Z Summary of contents
Page 1
... Rev. 0 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 rights of third parties that may result from its use. Specifications subject to change without notice. No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. ...
Page 2
ADXL343 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 General Description ......................................................................... 1 Functional Block Diagram .............................................................. 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 Absolute Maximum Ratings ............................................................ 5 Thermal Resistance ...................................................................... 5 Package Information .................................................................... 5 ESD ...
Page 3
Data Sheet SPECIFICATIONS T = 25° 2 1.8 V, acceleration = I/O otherwise noted. All minimum and maximum specifications are guaranteed. Typical specifications are not guaranteed. Table 1. Parameter ...
Page 4
ADXL343 Parameter TEMPERATURE Operating Temperature Range WEIGHT Device Weight 1 The typical specifications shown are for at least 68% of the population of parts and are based on the worst case of mean ±1 σ, except for 0 g output ...
Page 5
Data Sheet ABSOLUTE MAXIMUM RATINGS Table 2. Parameter Rating Acceleration Any Axis, Unpowered 10,000 g Any Axis, Powered 10,000 g V −0 +3 −0 +3 I/O Digital Pins −0 ...
Page 6
ADXL343 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 5. Pin Function Descriptions Pin No. Mnemonic I/O 2 GND 3 RESERVED 4 GND 5 GND INT1 9 INT2 RESERVED 12 ...
Page 7
Data Sheet TYPICAL PERFORMANCE CHARACTERISTICS –150 –100 –50 0 ZERO g OFFSET (mg) Figure 4. Zero g Offset at 25° ...
Page 8
ADXL343 230 234 238 242 246 250 254 258 262 266 270 274 278 282 SENSITIVITY (LSB/g) Figure 10. Sensitivity at 25° 2.5 V, Full Resolution, ...
Page 9
Data Sheet 280 275 270 265 260 255 250 245 240 235 230 –40 – TEMPERATURE (°C) Figure 16. X-Axis Sensitivity vs. Temperature— Eight Parts Soldered to PCB 3.3 V, Full Resolution S 280 ...
Page 10
ADXL343 160 140 120 100 1.60 3.12 6.25 12. 100 200 400 800 1600 3200 OUTPUT DATA RATE (Hz) Figure 22. Current Consumption vs. Output Data Rate at 25°C—10 Parts 2.5 ...
Page 11
Data Sheet THEORY OF OPERATION The ADXL343 is a complete 3-axis acceleration measurement system with a selectable measurement range of ±2 g, ±4 g, ± ± measures both dynamic acceleration resulting from motion or shock and ...
Page 12
ADXL343 POWER SAVINGS Power Modes The ADXL343 automatically modulates its power consumption in proportion to its output data rate, as outlined in Table 7. If additional power savings is desired, a lower power mode is available. In this mode, the ...
Page 13
Data Sheet SERIAL COMMUNICATIONS I C and SPI digital communications are available. In both cases mode is enabled if the CS the ADXL343 operates as a slave The CS pin should always be tied high ...
Page 14
ADXL343 CS t DELAY SCLK t HOLD t SETUP W SDI t SDO X SDO CS t DELAY SCLK t HOLD t SETUP R SDI t SDO SDO DELAY SCLK t t SETUP HOLD R/W SDIO SDO ...
Page 15
Data Sheet Table 9. SPI Digital Input/Output Parameter Digital Input Low Level Input Voltage ( High Level Input Voltage ( Low Level Input Current ( High Level Input Current ( Digital Output ...
Page 16
ADXL343 With CS tied high the ADXL343 DD I/O requiring a simple 2-wire connection, as shown in Figure 30. The ADXL343 conforms to the UM10204 I and User Manual, Rev. 03—19 June 2007, available ...
Page 17
Data Sheet Table 12 Timing (T = 25° 2 Limit Parameter Min f SCL 100 ...
Page 18
ADXL343 INTERRUPTS The ADXL343 provides two output pins for driving interrupts: INT1 and INT2. Both interrupt pins are push-pull, low impedance pins with output specifications shown in Table 13. The default configuration of the interrupt pins is active high. This ...
Page 19
Data Sheet Overrun The overrun bit is set when new data replaces unread data. The precise operation of the overrun function depends on the FIFO mode. In bypass mode, the overrun bit is set when new data replaces unread data ...
Page 20
ADXL343 SELF-TEST The ADXL343 incorporates a self-test feature that effectively tests its mechanical and electronic systems simultaneously. When the self-test function is enabled (via the SELF_TEST bit in the DATA_FORMAT register, Address 0x31), an electrostatic force is exerted on the ...
Page 21
Data Sheet REGISTER MAP Table 19. Address Hex Dec Name 0x00 0 DEVID 0x01 to 0x1C Reserved 0x1D 29 THRESH_TAP 0x1E 30 OFSX 0x1F 31 OFSY 0x20 32 OFSZ 0x21 33 DUR 0x22 34 Latent 0x23 35 ...
Page 22
ADXL343 REGISTER DEFINITIONS Register 0x00—DEVID (Read Only The DEVID register holds a fixed device ID code of 0xE5 (345 octal). Register 0x1D—THRESH_TAP (Read/Write) The THRESH_TAP register is eight bits and ...
Page 23
Data Sheet ACT_x Enable Bits and INACT_x Enable Bits A setting of 1 enables x-, y-, or z-axis participation in detecting activity or inactivity. A setting of 0 excludes the selected axis from participation. If all axes are excluded, the ...
Page 24
ADXL343 If the link bit is not set, the AUTO_SLEEP feature is disabled and setting the AUTO_SLEEP bit does not have an impact on device operation. Refer to the Link Bit section or the Link Mode section for more information ...
Page 25
Data Sheet INT_INVERT Bit A value the INT_INVERT bit sets the interrupts to active high, and a value of 1 sets the interrupts to active low. FULL_RES Bit When this bit is set to a value of ...
Page 26
ADXL343 APPLICATIONS INFORMATION POWER SUPPLY DECOUPLING A 1 µF tantalum capacitor ( and a 0.1 µF ceramic capacitor placed close to the ADXL343 I/O DD I/O recommended to adequately decouple the ...
Page 27
Data Sheet Several events can occur to invalidate the second tap of a double tap event. First, if the suppress bit in the TAP_AXES register (Address 0x2A) is set, any acceleration spike above the threshold during the latency time (set ...
Page 28
ADXL343 SLEEP MODE VS. LOW POWER MODE In applications where a low data rate and low power consumption is desired (at the expense of noise performance recommended that low power mode be used. The use of low power ...
Page 29
Data Sheet USING SELF-TEST The self-test change is defined as the difference between the acceleration output of an axis with self-test enabled and the acceleration output of the same axis with self-test disabled (see Endnote 4 of Table 1). This ...
Page 30
ADXL343 DATA FORMATTING OF UPPER DATA RATES Formatting of output data at the 3200 Hz and 1600 Hz output data rates changes depending on the mode of operation (full- resolution or fixed 10-bit) and the selected output range. When using ...
Page 31
Data Sheet NOISE PERFORMANCE The specification of noise shown in Table 1 corresponds to the typical noise performance of the ADXL343 operation with an output data rate of 100 Hz (LOW_POWER bit (D4 rate bits (D3:D0) = 0xA ...
Page 32
ADXL343 Changes in noise performance, self-test response, and supply current are discussed elsewhere throughout the data sheet. For noise performance, the Noise Performance section should be reviewed. The Using Self-Test section discusses both the operation of self-test over voltage, a ...
Page 33
Data Sheet AXES OF ACCELERATION SENSITIVITY Figure 47. Axes of Acceleration Sensitivity (Corresponding Output Voltage Increases When Accelerated Along the Sensitive Axis OUT Y = –1g OUT OUT ...
Page 34
ADXL343 LAYOUT AND DESIGN RECOMMENDATIONS Figure 49 shows the recommended printed wiring board land pattern. Figure 50 and Table 24 provide details about the recommended soldering profile. Figure 49. Recommended Printed Wiring Board Land Pattern (Dimensions shown in millimeters) T ...
Page 35
... PAD A1 CORNER 1.00 0.95 0.85 SEATING PLANE ORDERING GUIDE Measurement 1 Model Range (g) ADXL343BCCZ ±2, ±4, ±8, ±16 ADXL343BCCZ-RL ±2, ±4, ±8, ±16 ADXL343BCCZ-RL7 ±2, ±4, ±8, ±16 EVAL-ADXL343Z EVAL-ADXL343Z-DB EVAL-ADXL343Z-M EVAL-ADXL343Z RoHS Compliant Part. 3.00 BSC 0.49 BOTTOM VIEW 13 0.80 5.00 BSC BSC 0.50 8 TOP VIEW 0.49 0.79 1.50 0.74 END VIEW 0.69 Figure 51 ...
Page 36
... Buyer uses or sells standard products for use in the above critical applications at Buyer's own risk and Buyer agrees to defend, indemnify, and hold harmless Analog Devices from any and all damages, claims, suits, or expenses resulting from such unintended use. © ...