EVAL-ADXL356/EVAL-ADXL357 User Guide
UG-1119
One Technology Way • P. O. Box 9106 • Norwood, MA 02062-9106, U.S.A. • Tel: 781.329.4700 • Fax: 781.461.3113 • www.analog.com
Evaluating the ADXL356/ADXL357 Low Noise, Low Drift, Low Power, 3-Axis MEMS
Accelerometers
PLEASE SEE THE LAST PAGE FOR AN IMPORTANT
WARNING AND LEGAL TERMS AND CONDITIONS. Rev. A | Page 1 of 5
FEATURES
2 sets of spaced vias for populating 6-pin headers
Easily attaches to prototyping board or PCB
Small size and board stiffness minimizes impact on the user
system and acceleration measurements
EQUIPMENT NEEDED
External host processor
DOCUMENTS NEEDED
ADXL356/ADXL357 data sheet
GENERAL DESCRIPTION
The EVAL -ADXL356BZ, the EVAL-ADXL356CZ, and the
EVAL-ADXL357Z are evaluation boards that allow quick
evaluation of the performance of the ADXL356 and the
ADXL357 low noise, low power, 3-axis, MEMS accelerometers.
The EVAL -ADXL356BZ is an analog output supporting a ±10 g
or ±20 g accelerometer, the EVA L -ADXL356CZ is an analog
output supporting a ±10 g or ±40 g, and the E VA L -ADXL357Z
is a digital output supporting a ±10.24 g, ±20.48 g, or ±40.96 g
accelerometer.
These evaluation boards are ideal for evaluating the ADXL356
and ADXL357 in an existing system because the stiffness and
the small size of the evaluation board minimize the effect of the
board on both the system and acceleration measurements.
Full details about the ADXL356/ADXL357 are available in the
ADXL356/ADXL357 data sheet, which is available from Analog
Devices, Inc., and must be consulted in conjunction with this
user guide when using this evaluation board.
Note that the layout for the E VA L -ADXL354BZ/EVA L-
ADXL354CZ applies to both the EVA L -ADXL354BZ/EVA L-
ADXL354CZ and the E VA L -ADXL356BZ/EVAL-ADXL356CZ,
and that the layout for the EVA L -ADXL355Z applies to both the
EVAL-ADXL355Z and the E VA L -ADXL357Z.
EVALUATION BOARD PHOTOGRAPHS
15668-010
Figure 1. EVAL-ADXL356BZ/EVAL-ADXL356CZ
15668-011
Figure 2. EVAL-ADXL357Z
UG-1119 EVAL-ADXL356/EVAL-ADXL357 User Guide
Rev. A | Page 2 of 5
TABLE OF CONTENTS
Features .............................................................................................. 1
Equipment Needed ........................................................................... 1
Documents Needed .......................................................................... 1
General Description ......................................................................... 1
Evaluation Board Photographs ....................................................... 1
Revision History ............................................................................... 2
Evaluation Board Hardware ............................................................ 3
Circuit Description .......................................................................3
Handling Considerations .............................................................3
Evaluation Board Schematics ...........................................................4
Ordering Information .......................................................................5
Bill of Materials ..............................................................................5
REVISION HISTORY
9/2018—Re v. 0 to R ev. A
Changed Printed Circuit Board Layouts Section to Evaluation
Board Photographs Section ............................................................. 1
Replaced Figure 1 and Figure 2 ...................................................... 1
Changes to General Description Section ...................................... 1
Changes to Evaluation Board Hardware Section, Figure 3,
Figure 4, Figure 5, Figure 6, and Circuit Description Section .... 3
Changes to Figure 7 and Figure 8 ................................................... 4
Changes to Table 1 and Table 2 ....................................................... 5
2/2017—Revision 0: Initial Ve r s i o n
EVAL-ADXL356/EVAL-ADXL357 User Guide UG-1119
Rev. A | Page 3 of 5
EVALUATION BOARD HARDWARE
The EVAL -ADXL356BZ, the EVAL-ADXL356CZ, and the
EVAL-ADXL357Z allow users to access the individual
connections of the ADXL356 and the ADXL357. Each of the
evaluation boards includes decoupling capacitors for the
supplies, a few discrete resistors that provide isolation on the
V1P8ANA and V1P8DIG pins, and two 6-pin headers. Refer to the
ADXL356/ADXL357 data sheet for more details on the specific
pin definitions. The power supplies for the ADXL356 and the
ADXL357 are decoupled using multiple 0.1 µF ceramic (0603)
capacitors.
The EVAL -ADXL356BZ/EVA L -ADXL356CZ has capacitors on
each axis output to set the output low-pass filter and two 3-position
jumpers to configure RANGE and MODE (tied to the ADXL356
STBY pin). The two 6-pin headers provide access to all other pins.
Header P1 provides access to VDDIO (used to set the RANGE pin
and the STBY levels on the ADXL356), VDD (which supplies the
ADXL356 VSUPPLY pin), VSS/VSSIO (supply common connection),
and XOUT, YOUT, and ZOUT, as shown in Figure 3.
15668-003
V
DD
V
DDIO
202-187
P1 X
OUT
Y
OUT
Z
OUT
3
54
6
21
Figure 3. EVAL-ADXL356BZ/EVAL-ADXL356CZ Functional Block Diagram for
Header P1
Header P2 provides access to V1P8ANA, V1P8DIG, TEMP, ST1, ST2,
and VSS (supply common connection), as shown in Figure 4.
15668-004
202-187
P2
ST2
V
SS
ST1
V
1P8ANA
TEMP
V
1P8DIG
3
54
6
21
Figure 4. EVAL-ADXL356BZ/EVAL-ADXL356CZ Functional Block Diagram for
Header P2
The EVAL -ADXL357Z uses two 6-pin headers to provide access
to all pins. Header P1 provides access to VDDIO, VDD (which
connects to the ADXL357 VSUPPLY pin), VSS/VSSIO (supply
common connection), INT1, INT2, and D R DY, as shown in
Figure 5.
15668-005
V
DD
V
DDIO
202-187
P1 INT1
INT2
DRDY
3
54
6
21
Figure 5. EVAL-ADXL357Z Functional Block Diagram for Header P1
Header P2 provides access to V1P8ANA, V1P8DIG, MISO/ASEL, CS/
SCL, SCLK/VSSIO, and MOSI/SDA, as shown in Figure 6.
15668-006
202-187
P2
V
1P8DIG
MISO/ASEL
V
1P8ANA
SCLK/V
SSIO
MOSI/SDA
3
54
6
21 CS/SCL
Figure 6. EVAL-ADXL357Z Functional Block Diagram for Header P2
The vias or headers allow the evaluation boards to attach to
either a prototyping breadboard or a printed circuit board
(PCB) in an existing user system. Four holes are provided in the
corners of the evaluation boards for mechanical attachment of
the evaluation boards in many applications. An external host
processor is required for communication to the ADXL357. The
analog output of the ADXL356 must be connected to a band
limited analog-to-digital converter (ADC).
The dimensions of the evaluation boards are 0.8 in. × 0.8 in.
CIRCUIT DESCRIPTION
The evaluation board photograph of the EVAL-ADXL356BZ/
EVAL-ADXL356CZ is shown in Figure 1, and the evaluation
board photograph of the EVA L -ADXL357Z is shown in Figure 2.
The ADXL356/ADXL357 each have two power modes. They
can be powered either by integrated, low dropout (LDO)
regulators or by external user supplied 1.8 V regulated supplies.
Refer to the ADXL356/ADXL357 data sheet for more
information.
HANDLING CONSIDERATIONS
The EVAL -ADXL356BZ, the EVAL-ADXL356CZ, and the
EVAL-ADXL357Z are not reverse polarity protected. Reversing
any of the supply connections, including the VSS and the VSSIO
pins, can cause damage to the ADXL356/ADXL357.
Dropping the evaluation boards on a hard surface can generate
several thousand g of acceleration, which can exceed the
ADXL356/ADXL357 data sheet absolute maximum limits.
UG-1119 EVAL-ADXL356/EVAL-ADXL357 User Guide
Rev. A | Page 4 of 5
EVALUATION BOARD SCHEMATICS
Note that the layout for the E VA L -ADXL354BZ/EVA L-
ADXL354CZ applies to both the EVAL-ADXL354BZ/EVA L -
ADXL354CZ and the E VA L -ADXL356BZ/EVAL-ADXL356CZ
(see Figure 1), and that the layout for the E VA L -ADXL355Z
applies to both the EVA L-ADXL355Z and the E VA L -ADXL357Z
(see Figure 2).
Figure 7. EVAL-ADXL356BZ/EVAL-ADXL356CZ Schematic
MOUNTING HOLES
ADXL357
209-358
VDD
VDD
0603
201-008
0.1µF 0603
201-008
0.1µF 0603
201-008
0.1µF
0603
201-008
0.1µF
0.1µF
201-008
0603 0.1µF
201-008
0603
VDDIO
VDDIO
0603
224-014
1kΩ
0603
224-014
1kΩ
202-187
VDDIO
202-187
0.1µF
201-008
0603
0.1µF
201-008
0603
202-073
U1
H4
H3H2H1
R2
R1
C11C10
C9
C8C7C6
P2
P1
C5C4
STBY
INT1
INT2
DRDY
V1P8DIG
MISO/ASEL
V1P8ANA SCLK/VSSIO
MOSI/SDA
2
1
3
3
54
6
2
1
3
54
6
21
VDDIO
MISO/
ASEL
V1P8ANA
VSS
V1P8DIG
VSSIO RESERVED
CS/SCL
SCLK/VSSIO
MOSI/SDA
VSUPPLY
INT1INT2
DRDY
CS/SCL
15668-007
Figure 8. EVAL-ADXL357Z Schematic
EVAL-ADXL356/EVAL-ADXL357 User Guide UG-1119
Rev. A | Page 5 of 5
ORDERING INFORMATION
BILL OF MATERIALS
Table 1. Bill of Materials for the EVAL-ADXL356BZ/EVAL-ADXL356CZ
Qty Reference Designator Description Manufacturer Part Number
1 U1 High performance, 3-axis MEMS accelerometer, 14-
terminal LCC
Analog Devices, Inc. ADXL356
11 C1 to C11 Capacitors, ceramic, 0.1 μF, 50 V, 10%, X7R, 0603 Cal-Chip GMC10X7R104K50NTLF
2 R1, R2 Resistors, 1 kΩ, 0.1 W, 1%, 0603 Cal-Chip CR0603F1001T1LF
2 MODE, RANGE Jumpers, 3-position, through hole Prolex 2556P03UA00
2 P1, P2 Headers, male, nonshrouded, 2 × 3, 0.1 in. spacing,
through hole, do not insert
FCI 67996-206HLF
1 PCB EVAL-ADXL356BZ/EVAL-ADXL356CZ Analog Devices, Inc.
Table 2. Bill of Materials for the EVAL-ADXL357Z
Qty Reference Designator Description Manufacturer Part Number
1 U1 High performance, 3-axis MEMS accelerometer, 14-
terminal LCC
Analog Devices, Inc. ADXL357
8 C4 to C11 Capacitors, ceramic, 0.1 μF, 50 V, 10%, X7R, 0603 Cal-Chip GMC10X7R104K50NTLF
2 R1, R2 Resistors, 1 kΩ, 0.1 W, 1%, 0603 Cal-Chip CR0603F1001T1LF
1
STBY
Jumper, 3-position, through hole
Prolex
2556P03UA00
2 P1, P2 Headers, male, nonshrouded, 2 × 3, 0.1 in. spacing,
through hole, do not insert
FCI 67996-206HLF
1 PCB EVAL-ADXL357Z Analog Devices, Inc.
ESD Caution
ESD (electrostatic discharge) sensitive device. Charged devices and circuit boards can discharge without detection. Although this product features patented or proprietary protection circuitry,
damage may occur on devices subjected to high energy ESD. Therefore, proper ESD precautions should be taken to avoid performance degradation or loss of functionality.
Legal Terms and Conditions
By using the evaluation board discussed herein (together with any tools, components documentation or support materials, the “Evaluation Board”), you are agreeing to be bound by the terms and conditions
set forth below (“Agreement”) unless you have purchased the Evaluation Board, in which case the Analog Devices Standard Terms and Conditions of Sale shall govern. Do not use the Evaluation Board until you
have read and agreed to the Agreement. Your use of the Evaluation Board shall signify your acceptance of the Agreement. This Agreement is made by and between you (“Customer”) and Analog Devices, Inc.
(“ADI”), with its principal place of business at One Technology Way, Norwood, MA 02062, USA. Subject to the terms and conditions of the Agreement, ADI hereby grants to Customer a free, limited, personal,
temporary, non-exclusive, non-sublicensable, non-transferable license to use the Evaluation Board FOR EVALUATION PURPOSES ONLY. Customer understands and agrees that the Evaluation Board is provided
for the sole and exclusive purpose referenced above, and agrees not to use the Evaluation Board for any other purpose. Furthermore, the license granted is expressly made subject to the following additional
limitations: Customer shall not (i) rent, lease, display, sell, transfer, assign, sublicense, or distribute the Evaluation Board; and (ii) permit any Third Party to access the Evaluation Board. As used herein, the term
“Third Party” includes any entity other than ADI, Customer, their employees, affiliates and in-house consultants. The Evaluation Board is NOT sold to Customer; all rights not expressly granted herein, including
ownership of the Evaluation Board, are reserved by ADI. CONFIDENTIALITY. This Agreement and the Evaluation Board shall all be considered the confidential and proprietary information of ADI. Customer may
not disclose or transfer any portion of the Evaluation Board to any other party for any reason. Upon discontinuation of use of the Evaluation Board or termination of this Agreement, Customer agrees to
promptly return the Evaluation Board to ADI. ADDITIONAL RESTRICTIONS. Customer may not disassemble, decompile or reverse engineer chips on the Evaluation Board. Customer shall inform ADI of any
occurred damages or any modifications or alterations it makes to the Evaluation Board, including but not limited to soldering or any other activity that affects the material content of the Evaluation Board.
Modifications to the Evaluation Board must comply with applicable law, including but not limited to the RoHS Directive. TERMINATION. ADI may terminate this Agreement at any time upon giving written notice
to Customer. Customer agrees to return to ADI the Evaluation Board at that time. LIMITATION OF LIABILITY. THE EVALUATION BOARD PROVIDED HEREUNDER IS PROVIDED “AS IS” AND ADI MAKES NO
WARRANTIES OR REPRESENTATIONS OF ANY KIND WITH RESPECT TO IT. ADI SPECI
FICALLY DISCLAIMS ANY REPRESENTATIONS, ENDORSEMENTS, GUARANTEES, OR WARRANTIES, EXPRESS OR IMPLIED, RELATED
TO THE EVALUATION BOARD INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTY OF MERCHANTABILITY, TITLE, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT OF INTELLECTUAL
PROPERTY RIGHTS. IN NO EVENT WILL ADI AND ITS LICENSORS BE LIABLE FOR ANY INCIDENTAL, SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES RESULTING FROM CUSTOMER’S POSSESSION OR USE OF
THE EVALUATION BOARD, INCLUDING BUT NOT LIMITED TO LOST PROFITS, DELAY COSTS, LABOR COSTS OR LOSS OF GOODWILL. ADI’S TOTAL LIABILITY FROM ANY AND ALL CAUSES SHALL BE LIMITED TO THE
AMOUNT OF ONE HUNDRED US DOLLARS ($100.00). EXPORT. Customer agrees that it will not directly or indirectly export the Evaluation Board to another country, and that it will comply with all applicable
United States federal laws and regulations relating to exports. GOVERNING LAW. This Agreement shall be governed by and construed in accordance with the substantive laws of the Commonwealth of
Massachusetts (excluding conflict of law rules). Any legal action regarding this Agreement will be heard in the state or federal courts having jurisdiction in Suffolk County, Massachusetts, and Customer hereby
submits to the personal jurisdiction and venue of such courts. The United Nations Convention on Contracts for the International Sale of Goods shall not apply to this Agreement and is expressly disclaimed.
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UG15668-0-9/18(A)