Small, Low Power, 3-Axis ±3 g Accelerometer ADXL335 FEATURES GENERAL DESCRIPTION 3-axis sensing The ADXL335 is a small, thin, low power, complete 3-axis accel- Small, low profile package erometer with signal conditioned voltage outputs. The product 4 mm × 4 mm × 1.45 mm LFCSP measures acceleration with a minimum full-scale range of ±3 g. Low power : 350 μA (typical) It can measure the static acceleration of gravity in tilt-sensing Single-supply operation: 1.8 V to 3.6 V applications, as well as dynamic acceleration resulting from 10,000 g shock survival motion, shock, or vibration. Excellent temperature stability The user selects the bandwidth of the accelerometer using the BW adjustment with a single capacitor per axis C , C , and C capacitors at the X , Y , and Z pins. X Y Z OUT OUT OUT RoHS/WEEE lead-free compliant Bandwidths can be selected to suit the application, with a range of 0.5 Hz to 1600 Hz for the X and Y axes, and a range APPLICATIONS of 0.5 Hz to 550 Hz for the Z axis. Cost sensitive, low power, motion- and tilt-sensing The ADXL335 is available in a small, low profile, 4 mm × applications 4 mm × 1.45 mm, 16-lead, plastic lead frame chip scale package Mobile devices (LFCSP_LQ). Gaming systems Disk drive protection Image stabilization Sports and health devices FUNCTIONAL BLOCK DIAGRAM +3V VS ADXL335 ~32kΩ XOUT OUTPUT AMP CX 3-AXIS SENSOR ~32kΩ YOUT CDC AC AMP DEMOD OUTPUT AMP CY ~32kΩ ZOUT OUTPUT AMP CZ COM ST 07808-001 Figure 1. Rev. B 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 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. 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. Tel: 781.329.4700 www.analog.com Trademarks and registered trademarks are the property of their respective owners. Fax: 781.461.3113 ©2009–2010 Analog Devices, Inc. All rights reserved.

ADXL335 TABLE OF CONTENTS Features .............................................................................................. 1 Performance ................................................................................ 10 Applications ....................................................................................... 1 Applications Information .............................................................. 11 General Description ......................................................................... 1 Power Supply Decoupling ......................................................... 11 Functional Block Diagram .............................................................. 1 Setting the Bandwidth Using C , C , and C .......................... 11 X Y Z Revision History ............................................................................... 2 Self-Test ....................................................................................... 11 Specifications ..................................................................................... 3 Design Trade-Offs for Selecting Filter Characteristics: The Absolute Maximum Ratings ............................................................ 4 Noise/BW Trade-Off .................................................................. 11 ESD Caution .................................................................................. 4 Use with Operating Voltages Other Than 3 V ........................... 12 Pin Configuration and Function Descriptions ............................. 5 Axes of Acceleration Sensitivity ............................................... 12 Typical Performance Characteristics ............................................. 6 Layout and Design Recommendations ................................... 13 Theory of Operation ...................................................................... 10 Outline Dimensions ....................................................................... 14 Mechanical Sensor ...................................................................... 10 Ordering Guide .......................................................................... 14 REVISION HISTORY 1/10—Rev. A to Rev. B Changes to Figure 21 ........................................................................ 9 7/09—Rev. 0 to Rev. A Changes to Figure 22 ........................................................................ 9 Changes to Outline Dimensions ................................................... 14 1/09—Revision 0: Initial Version Rev. B | Page 2 of 16

ADXL335 SPECIFICATIONS T = 25°C, V = 3 V, C = C = C = 0.1 μF, acceleration = 0 g, unless otherwise noted. All minimum and maximum specifications are A S X Y Z guaranteed. Typical specifications are not guaranteed. Table 1. Parameter Conditions Min Typ Max Unit SENSOR INPUT Each axis Measurement Range ±3 ±3.6 g Nonlinearity % of full scale ±0.3 % Package Alignment Error ±1 Degrees Interaxis Alignment Error ±0.1 Degrees Cross-Axis Sensitivity1 ±1 % SENSITIVITY (RATIOMETRIC)2 Each axis Sensitivity at X , Y , Z V = 3 V 270 300 330 mV/g OUT OUT OUT S Sensitivity Change Due to Temperature3 V = 3 V ±0.01 %/°C S ZERO g BIAS LEVEL (RATIOMETRIC) 0 g Voltage at X , Y V = 3 V 1.35 1.5 1.65 V OUT OUT S 0 g Voltage at Z V = 3 V 1.2 1.5 1.8 V OUT S 0 g Offset vs. Temperature ±1 mg/°C NOISE PERFORMANCE Noise Density X , Y 150 μg/√Hz rms OUT OUT Noise Density Z 300 μg/√Hz rms OUT FREQUENCY RESPONSE4 Bandwidth X , Y 5 No external filter 1600 Hz OUT OUT Bandwidth Z 5 No external filter 550 Hz OUT R Tolerance 32 ± 15% kΩ FILT Sensor Resonant Frequency 5.5 kHz SELF-TEST6 Logic Input Low +0.6 V Logic Input High +2.4 V ST Actuation Current +60 μA Output Change at X Self-Test 0 to Self-Test 1 −150 −325 −600 mV OUT Output Change at Y Self-Test 0 to Self-Test 1 +150 +325 +600 mV OUT Output Change at Z Self-Test 0 to Self-Test 1 +150 +550 +1000 mV OUT OUTPUT AMPLIFIER Output Swing Low No load 0.1 V Output Swing High No load 2.8 V POWER SUPPLY Operating Voltage Range 1.8 3.6 V Supply Current V = 3 V 350 μA S Turn-On Time7 No external filter 1 ms TEMPERATURE Operating Temperature Range −40 +85 °C 1 Defined as coupling between any two axes. 2 Sensitivity is essentially ratiometric to VS. 3 Defined as the output change from ambient-to-maximum temperature or ambient-to-minimum temperature. 4 Actual frequency response controlled by user-supplied external filter capacitors (CX, CY, CZ). 5 Bandwidth with external capacitors = 1/(2 × π × 32 kΩ × C). For CX, CY = 0.003 μF, bandwidth = 1.6 kHz. For CZ = 0.01 μF, bandwidth = 500 Hz. For CX, CY, CZ = 10 μF, bandwidth = 0.5 Hz. 6 Self-test response changes cubically with VS. 7 Turn-on time is dependent on CX, CY, CZ and is approximately 160 × CX or CY or CZ + 1 ms, where CX, CY, CZ are in microfarads (μF). Rev. B | Page 3 of 16

ADXL335 ABSOLUTE MAXIMUM RATINGS Table 2. Stresses above those listed under Absolute Maximum Ratings Parameter Rating may cause permanent damage to the device. This is a stress Acceleration (Any Axis, Unpowered) 10,000 g rating only; functional operation of the device at these or any Acceleration (Any Axis, Powered) 10,000 g other conditions above those indicated in the operational V −0.3 V to +3.6 V section of this specification is not implied. Exposure to absolute S All Other Pins (COM − 0.3 V) to (V + 0.3 V) maximum rating conditions for extended periods may affect S Output Short-Circuit Duration Indefinite device reliability. (Any Pin to Common) Temperature Range (Powered) −55°C to +125°C Temperature Range (Storage) −65°C to +150°C ESD CAUTION Rev. B | Page 4 of 16

ADXL335 PIN CONFIGURATION AND FUNCTION DESCRIPTIONS C S S C N V V N 16 15 14 13 ADXL335 NC 1 12 XOUT TOP VIEW ST 2 (Not to Scale) 11 NC +Y COM 3 +Z 10 YOUT NC 4 +X 9 NC 5 6 7 8 COM COM COM ZOUT NC = NO CONNECT NOTES 1 . ECFOXOPRNO NMSEEECCDTH EPADAN DBIC UIAST L NS IOHNTOT EUINGLTDRE IBRTYEN. ASLOLLYDERED 07808-003 Figure 2. Pin Configuration Table 3. Pin Function Descriptions Pin No. Mnemonic Description 1 NC No Connect.1 2 ST Self-Test. 3 COM Common. 4 NC No Connect.1 5 COM Common. 6 COM Common. 7 COM Common. 8 Z Z Channel Output. OUT 9 NC No Connect.1 10 Y Y Channel Output. OUT 11 NC No Connect. 1 12 X X Channel Output. OUT 13 NC No Connect. 1 14 V Supply Voltage (1.8 V to 3.6 V). S 15 V Supply Voltage (1.8 V to 3.6 V). S 16 NC No Connect. 1 EP Exposed Pad Not internally connected. Solder for mechanical integrity. 1 NC pins are not internally connected and can be tied to COM pins, unless otherwise noted. Rev. B | Page 5 of 16

ADXL335 TYPICAL PERFORMANCE CHARACTERISTICS N > 1000 for all typical performance plots, unless otherwise noted. 50 40 40 30 N N O O TI 30 TI A A L L PU PU 20 O O P P F 20 F O O % % 10 10 01.42 1.44 1.46 1.48OUT1P.5U0T (V)1.52 1.54 1.56 1.58 07808-005 0–0.40 –0.38 –0.36 –0V.3O4LTS– (0V.3)2 –0.30 –0.28 –0.26 07808-008 Figure 3. X-Axis Zero g Bias at 25°C, VS = 3 V Figure 6. X-Axis Self-Test Response at 25°C, VS = 3 V 50 50 40 40 N N O O TI 30 TI 30 A A L L U U P P O O P P F 20 F 20 O O % % 10 10 0 0 1.42 1.44 1.46 1.48OUT1P.5U0T (V)1.52 1.54 1.56 1.58 07808-006 0.26 0.28 0.30 0V.3O2LTS 0(V.3)4 0.36 0.38 0.40 07808-009 Figure 4. Y-Axis Zero g Bias at 25°C, VS = 3 V Figure 7. Y-Axis Self-Test Response at 25°C, VS = 3 V 25 40 20 30 N N O O TI 15 TI A A L L PU PU 20 O O P P F 10 F O O % % 10 5 01.42 1.44 1.46 1.48OUT1P.5U0T (V1).52 1.54 1.56 1.58 07808-007 00.48 0.50 0.52 0.V5O4LTS 0(V.5)6 0.58 0.60 0.62 07808-010 Figure 5. Z-Axis Zero g Bias at 25°C, VS = 3 V Figure 8. Z-Axis Self-Test Response at 25°C, VS = 3 V Rev. B | Page 6 of 16

ADXL335 30 1.55 N = 8 1.54 25 1.53 ON 20 1.52 ATI V)1.51 F POPUL 15 OUTPUT (11..4590 O % 10 1.48 1.47 5 1.46 0–3.0–2.5–2.0TE–M1.P5E–R1A.0TU–R0.E5 CO0EFF0I.C5IEN1.T0 (m1g.5/°C)2.0 2.5 3.0 07808-011 1.45–40 –30 –20 –10 0 T1E0MP20ERA3T0UR4E0 (°C50) 60 70 80 90 100 07808-014 Figure 9. X-Axis Zero g Bias Temperature Coefficient, VS = 3 V Figure 12. X-Axis Zero g Bias vs. Temperature— Eight Parts Soldered to PCB 40 1.55 N = 8 1.54 1.53 30 1.52 N O F POPULATI 20 OUTPUT (V)111...455901 O % 1.48 10 1.47 1.46 0 1.45 –3.0–2.5–2.0TE–M1.P5E–R1A.0TU–R0.E5 CO0EFF0I.C5IEN1.T0 (m1g.5/°C)2.0 2.5 3.0 07808-012 –40 –30 –20 –10 0 T10EMP20ERA30TUR4E0 (°5C0) 60 70 80 90 100 07808-015 Figure 10. Y-Axis Zero g Bias Temperature Coefficient, VS = 3 V Figure 13. Y-Axis Zero g Bias vs. Temperature— Eight Parts Soldered to PCB 20 1.50 N = 8 1.48 1.46 15 N 1.44 O ATI V)1.42 F POPUL 10 OUTPUT (11..3480 O % 1.36 5 1.34 1.32 0–7 –6 –5 T–E4MP–E3RA–T2UR–E1 CO0EFF1ICIE2NT (3mg/°4C) 5 6 7 07808-013 1.30–40 –30 –20 –10 0 T10EMP20ERA3T0UR4E0 (°5C0) 60 70 80 90 100 07808-016 Figure 11. Z-Axis Zero g Bias Temperature Coefficient, VS = 3 V Figure 14. Z-Axis Zero g Bias vs. Temperature— Eight Parts Soldered to PCB Rev. B | Page 7 of 16

ADXL335 20 0.320 N = 8 0.315 15 0.310 N TIO V/g) 0.305 LA Y ( U T P 10 VI 0.300 % OF PO SENSITI 0.295 5 0.290 0.285 00.2850.2880.2910.294S0.E2N97SIT0.I3V0IT0Y0 .(3V0/g3)0.3060.3090.3120.315 07808-017 0.280–40–30 –20 –10 0 T10EMP20ERA30TUR4E0 (°5C0) 60 70 80 90 100 07808-020 Figure 15. X-Axis Sensitivity at 25°C, VS = 3 V Figure 18. X-Axis Sensitivity vs. Temperature— Eight Parts Soldered to PCB, VS = 3 V 25 0.320 N = 8 0.315 20 0.310 ULATION 15 TY (V/g) 0.305 P VI 0.300 OF PO 10 ENSITI 0.295 % S 0.290 5 0.285 0 0.280 0.2850.2880.2910.294S0.E2N97SIT0.I3V0IT0Y0 .(3V0/g3)0.3060.3090.3120.315 07808-018 –40 –30 –20 –10 0 T10EMP20ERA30TUR4E0 (°5C0) 60 70 80 90 100 07808-021 Figure 16. Y-Axis Sensitivity at 25°C, VS = 3 V Figure 19. Y-Axis Sensitivity vs. Temperature— Eight Parts Soldered to PCB, VS = 3 V 25 0.320 N = 8 0.315 20 0.310 N TIO 15 V/g) 0.305 LA Y ( U T % OF POP 10 SENSITIVI 00..239050 0.290 5 0.285 00.2850.2880.2910.294S0.E2N97SIT0.I3V0IT0Y0 .(3V0/g3)0.3060.3090.3120.315 07808-019 0.280–40 –30 –20 –10 0 T10EMP20ERA30TUR4E0 (°5C0) 60 70 80 90 100 07808-022 Figure 17. Z-Axis Sensitivity at 25°C, VS = 3 V Figure 20. Z-Axis Sensitivity vs. Temperature— Eight Parts Soldered to PCB, VS = 3 V Rev. B | Page 8 of 16

ADXL335 350 CX = CY = CZ = 0.0047µF 300 250 A) T (µ 200 C50H04m: VZ/ODUITV, N RE CH3:YOUT, R 150 500mV/DIV U C 100 CH2: XOUT, 500mV/DIV CH1: POWER, 50 1V/DIV 01.5 2.0 2.5SUPPLY (V3).0 3.5 4.0 07808-023 OUTPUTSATRIEM EO F(1FmSsE/TD IFVO)R CLARITY 07808-024 Figure 21. Typical Current Consumption vs. Supply Voltage Figure 22. Typical Turn-On Time, VS = 3 V Rev. B | Page 9 of 16

ADXL335 THEORY OF OPERATION The ADXL335 is a complete 3-axis acceleration measurement The demodulator output is amplified and brought off-chip system. The ADXL335 has a measurement range of ±3 g mini- through a 32 kΩ resistor. The user then sets the signal mum. It contains a polysilicon surface-micromachined sensor bandwidth of the device by adding a capacitor. This filtering and signal conditioning circuitry to implement an open-loop improves measurement resolution and helps prevent aliasing. acceleration measurement architecture. The output signals are MECHANICAL SENSOR analog voltages that are proportional to acceleration. The The ADXL335 uses a single structure for sensing the X, Y, and accelerometer can measure the static acceleration of gravity Z axes. As a result, the three axes’ sense directions are highly in tilt-sensing applications as well as dynamic acceleration orthogonal and have little cross-axis sensitivity. Mechanical resulting from motion, shock, or vibration. misalignment of the sensor die to the package is the chief The sensor is a polysilicon surface-micromachined structure source of cross-axis sensitivity. Mechanical misalignment built on top of a silicon wafer. Polysilicon springs suspend the can, of course, be calibrated out at the system level. structure over the surface of the wafer and provide a resistance PERFORMANCE against acceleration forces. Deflection of the structure is meas- ured using a differential capacitor that consists of independent Rather than using additional temperature compensation circui- fixed plates and plates attached to the moving mass. The fixed try, innovative design techniques ensure that high performance plates are driven by 180° out-of-phase square waves. Acceleration is built in to the ADXL335. As a result, there is no quantization deflects the moving mass and unbalances the differential capacitor error or nonmonotonic behavior, and temperature hysteresis resulting in a sensor output whose amplitude is proportional to is very low (typically less than 3 mg over the −25°C to +70°C acceleration. Phase-sensitive demodulation techniques are then temperature range). used to determine the magnitude and direction of the acceleration. Rev. B | Page 10 of 16

ADXL335 APPLICATIONS INFORMATION POWER SUPPLY DECOUPLING Never expose the ST pin to voltages greater than VS + 0.3 V. If this cannot be guaranteed due to the system design (for For most applications, a single 0.1 μF capacitor, C , placed DC instance, if there are multiple supply voltages), then a low close to the ADXL335 supply pins adequately decouples the V clamping diode between ST and V is recommended. F S accelerometer from noise on the power supply. However, in DESIGN TRADE-OFFS FOR SELECTING FILTER applications where noise is present at the 50 kHz internal clock CHARACTERISTICS: THE NOISE/BW TRADE-OFF frequency (or any harmonic thereof), additional care in power supply bypassing is required because this noise can cause errors The selected accelerometer bandwidth ultimately determines in acceleration measurement. the measurement resolution (smallest detectable acceleration). If additional decoupling is needed, a 100 Ω (or smaller) resistor Filtering can be used to lower the noise floor to improve the or ferrite bead can be inserted in the supply line. Additionally, a resolution of the accelerometer. Resolution is dependent on larger bulk bypass capacitor (1 μF or greater) can be added in the analog filter bandwidth at XOUT, YOUT, and ZOUT. parallel to CDC. Ensure that the connection from the ADXL335 The output of the ADXL335 has a typical bandwidth of greater ground to the power supply ground is low impedance because than 500 Hz. The user must filter the signal at this point to noise transmitted through ground has a similar effect to noise limit aliasing errors. The analog bandwidth must be no more transmitted through VS. than half the analog-to-digital sampling frequency to minimize SETTING THE BANDWIDTH USING C , C , AND C aliasing. The analog bandwidth can be further decreased to X Y Z reduce noise and improve resolution. The ADXL335 has provisions for band limiting the X , Y , OUT OUT The ADXL335 noise has the characteristics of white Gaussian and Z pins. Capacitors must be added at these pins to imple- OUT noise, which contributes equally at all frequencies and is ment low-pass filtering for antialiasing and noise reduction. The equation for the 3 dB bandwidth is described in terms of μg/√Hz (the noise is proportional to the square root of the accelerometer bandwidth). The user should F = 1/(2π(32 kΩ) × C ) −3 dB (X, Y, Z) limit bandwidth to the lowest frequency needed by the applica- or more simply tion to maximize the resolution and dynamic range of the F = 5 μF/C accelerometer. –3 dB (X, Y, Z) The tolerance of the internal resistor (R ) typically varies as With the single-pole, roll-off characteristic, the typical noise of FILT much as ±15% of its nominal value (32 kΩ), and the bandwidth the ADXL335 is determined by varies accordingly. A minimum capacitance of 0.0047 μF for CX, rmsNoise=NoiseDensity×( BW×1.6) C , and C is recommended in all cases. Y Z It is often useful to know the peak value of the noise. Peak-to- Table 4. Filter Capacitor Selection, C , C , and C X Y Z peak noise can only be estimated by statistical methods. Table 5 Bandwidth (Hz) Capacitor (μF) is useful for estimating the probabilities of exceeding various 1 4.7 peak values, given the rms value. 10 0.47 50 0.10 Table 5. Estimation of Peak-to-Peak Noise 100 0.05 % of Time That Noise Exceeds Peak-to-Peak Value Nominal Peak-to-Peak Value 200 0.027 2 × rms 32 500 0.01 4 × rms 4.6 SELF-TEST 6 × rms 0.27 8 × rms 0.006 The ST pin controls the self-test feature. When this pin is set to V, an electrostatic force is exerted on the accelerometer beam. S The resulting movement of the beam allows the user to test if the accelerometer is functional. The typical change in output is −1.08 g (corresponding to −325 mV) in the X-axis, +1.08 g (or +325 mV) on the Y-axis, and +1.83 g (or +550 mV) on the Z-axis. This ST pin can be left open-circuit or connected to common (COM) in normal use. Rev. B | Page 11 of 16

ADXL335 USE WITH OPERATING VOLTAGES OTHER THAN 3 V Self-test response in g is roughly proportional to the square of the supply voltage. However, when ratiometricity of sensitivity The ADXL335 is tested and specified at V = 3 V; however, it S is factored in with supply voltage, the self-test response in volts can be powered with V as low as 1.8 V or as high as 3.6 V. Note S is roughly proportional to the cube of the supply voltage. For that some performance parameters change as the supply voltage example, at V = 3.6 V, the self-test response for the ADXL335 is varied. S is approximately −560 mV for the X-axis, +560 mV for the The ADXL335 output is ratiometric, therefore, the output Y-axis, and +950 mV for the Z-axis. sensitivity (or scale factor) varies proportionally to the At V = 2 V, the self-test response is approximately −96 mV for supply voltage. At V = 3.6 V, the output sensitivity is typi- S S the X-axis, +96 mV for the Y-axis, and −163 mV for the Z-axis. cally 360 mV/g. At V = 2 V, the output sensitivity is typically S 195 mV/g. The supply current decreases as the supply voltage decreases. Typical current consumption at V = 3.6 V is 375 μA, and typi- The zero g bias output is also ratiometric, thus the zero g S cal current consumption at V = 2 V is 200 μA. output is nominally equal to V/2 at all supply voltages. S S AXES OF ACCELERATION SENSITIVITY The output noise is not ratiometric but is absolute in volts; therefore, the noise density decreases as the supply voltage AZ increases. This is because the scale factor (mV/g) increases while the noise voltage remains constant. At V = 3.6 V, S the X-axis and Y-axis noise density is typically 120 μg/√Hz, whereas at VS = 2 V, the X-axis and Y-axis noise density is AY typically 270 μg/√Hz. AX 07808-025 Figure 23. Axes of Acceleration Sensitivity; Corresponding Output Voltage Increases When Accelerated Along the Sensitive Axis. XOUT = –1g YOUT = 0g ZOUT = 0g TOP GRAVITY XOUT = 0g XOUT = 0g YOUT = 1g TOP TOP YOUT = –1g ZOUT = 0g ZOUT = 0g TOP XOUT = 1g YOUT = 0g ZOUT = 0g XYZOOOUUUTTT === 100ggg XYZOOOUUUTTT === –001ggg 07808-026 Figure 24. Output Response vs. Orientation to Gravity Rev. B | Page 12 of 16

ADXL335 LAYOUT AND DESIGN RECOMMENDATIONS The recommended soldering profile is shown in Figure 25 followed by a description of the profile features in Table 6. The recommended PCB layout or solder land drawing is shown in Figure 26. CRITICAL ZONE TP tP TL TO TP RAMP-UP URETL TSMAX tL T A ER TSMIN P M E T t PREHSEAT RAMP-DOWN t25°C TO PEAK TIME 07808-002 Figure 25. Recommended Soldering Profile Table 6. Recommended Soldering Profile Profile Feature Sn63/Pb37 Pb-Free Average Ramp Rate (T to T) 3°C/sec max 3°C/sec max L P Preheat Minimum Temperature (T ) 100°C 150°C SMIN Maximum Temperature (T ) 150°C 200°C SMAX Time (T to T )(t) 60 sec to 120 sec 60 sec to 180 sec SMIN SMAX S T to T SMAX L Ramp-Up Rate 3°C/sec max 3°C/sec max Time Maintained Above Liquidous (T) L Liquidous Temperature (T) 183°C 217°C L Time (t) 60 sec to 150 sec 60 sec to 150 sec L Peak Temperature (T) 240°C + 0°C/−5°C 260°C + 0°C/−5°C P Time Within 5°C of Actual Peak Temperature (t) 10 sec to 30 sec 20 sec to 40 sec P Ramp-Down Rate 6°C/sec max 6°C/sec max Time 25°C to Peak Temperature 6 minutes max 8 minutes max 0.50 4 MAX 0.65 0.325 0.35 MAX 0.65 4 1.95 0.325 EXPOSED PAD IS NOT INTERNALLY CONNECTED BUT SHOULD BE SOLDERED FOR MECHANICAL INTEGRITY. 1.95 DIMENSIONS SHOWN IN MILLIMETERS 07808-004 Figure 26. Recommended PCB Layout Rev. B | Page 13 of 16

ADXL335 OUTLINE DIMENSIONS 4.15 4.00SQ 0.35 3.85 0.30 PININDI1CATOR PIN1 0.25 INDICATOR 13 16 0.65 12 1 BSC EXPOSED 2.55 PAD 2.40SQ 2.25 9 4 8 5 0.55 TOPVIEW 0.50 BOTTOMVIEW 0.15MAX 0.45 1.50 FORPROPERCONNECTIONOF 1.45 THEEXPOSEDPAD,REFERTO 1.40 0.05MAX THEPINCONFIGURATIONAND 0.02NOM FUNCTIONDESCRIPTIONS COPLANARITY SECTIONOFTHISDATASHEET. SEATING 0.08 PLANE 0.15REF COMPLIANTTOJEDECSTANDARDSMO-220-WGGD. 051909-A Figure 27. 16-Lead Lead Frame Chip Scale Package [LFCSP_LQ] 4 mm × 4 mm Body, 1.45 mm Thick Quad (CP-16-14) Dimensions shown in millimeters ORDERING GUIDE Model1 Measurement Range Specified Voltage Temperature Range Package Description Package Option ADXL335BCPZ ±3 g 3 V −40°C to +85°C 16-Lead LFCSP_LQ CP-16-14 ADXL335BCPZ–RL ±3 g 3 V −40°C to +85°C 16-Lead LFCSP_LQ CP-16-14 ADXL335BCPZ–RL7 ±3 g 3 V −40°C to +85°C 16-Lead LFCSP_LQ CP-16-14 EVAL-ADXL335Z Evaluation Board 1 Z = RoHS Compliant Part. Rev. B | Page 14 of 16

ADXL335 NOTES Rev. B | Page 15 of 16

ADXL335 NOTES Analog Devices offers specific products designated for automotive applications; please consult your local Analog Devices sales representative for details. Standard products sold by Analog Devices are not designed, intended, or approved for use in life support, implantable medical devices, transportation, nuclear, safety, or other equipment where malfunction of the product can reasonably be expected to result in personal injury, death, severe property damage, or severe environmental harm. 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. ©2009–2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07808-0-1/10(B) Rev. B | Page 16 of 16

Mouser Electronics Authorized Distributor Click to View Pricing, Inventory, Delivery & Lifecycle Information: A nalog Devices Inc.: EVAL-ADXL335Z ADXL335BCPZ ADXL335BCPZ-RL7 ADXL335BCPZ-RL