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Low Power ±300°/sec Digital Gyroscope with 0.03°/sec/ g  Sensitivity Offers Vibration Immunity Even in Harsh Environments

 As adoption of motion sensing technology makes its way into industrial, instrumentation, and

healthcare applications, the need for higher performance and tighter specification increases.

Inertial sensor technology that offers accurate, stable readings and high vibration and shock 

resistance, even under harsh environments, is critical for many designs. In addition, designers

seek technology that is easy to use and supports an accelerated implementation.

Solution

The i MEMS®  ADXRS450 is a low power,±300°/sec, digital output gyroscope (angular rate sensor)

that addresses the growing demand for highly accurate and stable vibration and shock resistance.

The device features an advanced differential quad-sensor design, which rejects the influence

of linear acceleration over a wide frequency range, enabling it to operate in exceedingly harsh

environments. With sensitivity to linear acceleration specified at only 0.03°/second/ g , it is a highly

stable, vibration immune MEMS gyro able to operate within exceedingly harsh environments where

shock and vibration are present. To support ease of use, data is output through a digital serial port

interface (SPI) and a built-in temperature sensor self-regulates the device. An SMT-compatible

vertical mount package option enables accurate sensing of either axis on the same plane of the

PC board (pitch or roll), while the SOIC package configuration is for applications that require a

Z-axis (yaw) rate sensing device.

The ADXRS450 features internal temperature compensation over the extended industrial range of–40°C to +105°C.

 ADXRS450 Features 

Complete rate gyroscope on a single chip•

0.03°/second/ • g sensitivity to

linear acceleration

0.020°/second/Hz noise rate density•

6 mA power consumption (typical)•

25°/hour null offset stability•

2000• g powered shock survivability

Internal temperature compensation•

SPI digital output with 16-bit data word•

Operating range: 3.3 V and 5 V•

Temperature range: –40°C to +105°C•

Two RoHS compliant package options•

Low cost SOIC package for yaw rate•

(Z-axis) response

SMT-compatible vertical mount package•

that enables sensing of either axis(pitch or roll) on the same plane

of the PC board

• Platform

stabilization

 Vehicle•

stabilization

 Avionics•

Navigation•

IMU•

Remote•

controlled

equipment

Appicaios

ADXRS450 (SOIC) $43.16

ADXRS450 (VMP) $57.07

Pricig

SenSOR AnD SenSORInteRfACe ICs

Cos

Digital Gyroscope with

 Vibration Immuni ty . . . . . . . . . . . . . . . 1

Programmable Precision Inclinometers,

Wide Bandwidth Gyroscopes. . . . . . . . 2

Embedded Shock and

 Vibration Sensing . . . . . . . . . . . . . . . . 3

Sensor and Sensor Interface

ICs Selection Guide . . . . . . . . . . . . . . . 4

Digital Temperature Sensors . . . . . . . 6

Thermocouple Amplifiers . . . . . . . . . . 6

Resolver-to-Digital Converter . . . . . . . 7

Low g A cce le r om e t e r . . . . . . . . . . . . . 7

Internal Measurement Units (IMUs) . . 8

YOuR SeMICOnDuCtOR SOlutIOnS ReSOuRCe Vom 10, Iss 6

www.aaog.com/V10Ssors

to viw Circi no Cn-0163,

Sensing Angular Velocity 

Using the ADXRS450 

Digital Rate Sensor with 

Programmable Supply Voltage ,

visi www.aaog.com/Cn-0163.

8/6/2019 Sensor SB 6

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Capture Complex Motion Dynamics in Platform Stability Systems withProgrammable Precision Inclinometers and Wide Bandwidth GyroscopesPlatform stabilization feedback loops must provide fast and accurate response and hold accuracy over wide

temperature and other environmental variations. To adapt to a multitude of application needs, feedback loops

must be tunable to a wide range of system orientations and operational scenarios.

Solution

 A combination of MEMS linear and rotational sensing is often used as part of a feedback loop in platform stabilization applications.

MEMS technology offers the advantages of small size, low power, and wide bandwidth supporting more options in sensor placement,

as well as faster response times.

The ADIS16209 is a high accuracy, digital inclinometer that accommodates both single-axis (±180°) and dual-axis (±90°) operation.

This device best supports relatively static systems and provides dual-axis angle accuracy of 0.1.° The standard supply voltage

(3.3 V) and serial peripheral interface (SPI) enable simple integration into most industrial system designs. The autonull feature

simplifies in-system alignment to the platform critical axis.

The ADIS16265 is a wide bandwidth, programmable gyroscopic sensor. When used in conjunction with the ADIS16209, it supports

more complex motion requirements combining angle and tilt. Once power is applied, the ADIS16265 automatically starts up and

begins sampling sensor data, without requiring configuration commands from a system processor. An addressable register structure

and a common SPI provide simple access to the sensor data and configuration settings.

For the most complex motion, the ADIS1636x family of inertial

measurement units (IMUs) combines the advantages of the

 ADIS16265 and ADIS16209 into multiple axis, multiple

sensor solutions.

 ADIS16209 Features 

 Angle accuracy: 0.1°•

 Acceleration or angle outputs, SPI•

Horizontal (2-axis) and vertical (1-axis) mount options•

Temperature range: −40°C to +125°C•

 Autonull•

Configurable digital filtering and alarms•

 ADIS16265 Features 

Configurable dynamic range:• ±320°/second,

±160°/second,±80°/second

Sensitivity tempco: 25 ppm/°C•

 Angular random walk: 2°/ • √hr

Bandwidth: 330 Hz•

Temperature range: −40°C to +85°C•

Configurable digital filtering and alarms•

Start-up time: 165 ms (2.5 ms from sleep)•

POSITION

COMMAND

SERVO

MOTOR

FEEDBACK 

CONTROL

INERTIAL

SENSORS

DETECT

PLATFORM

DISTURBANCES

PLATFORM

CONTROL—

• Platform control, stability,

and alignment

Robotics•

Precision instrumentation•

Motion/position measurement•

Monitor/alarm devices•

Navigation•

Medical scan and•

imaging equipment

Appicaios

ADIS16209 $34.81

ADIS16265 $56.57 

Pricig

Inertial sensors provide rapid response and high accuracy in platform stabilization loops.

2008

Gold Level Winner

ADIS16209 i Sensor

Digital Inclinometer

fr Wbcas Avaiab O Dmad

Overview of i Sensor Motion Sensing Technology

www.analog.com/webcasts_isensor-0110 .

Wb-Basd toos

Design Tool: i Sensor® Drivers for LabVIEW

www.analog.com/iSensor-labVIEW .

Paorm Sabiizaio loop

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Simplify Embedded Shock and Vibration Sensing for EquipmentMaintenance and MonitoringSubtle and excessive vibration and shock detection can lower maintenance costs by helping to improve performance monitoring of

industrial equipment including safety events. The sensing device must be properly calibrated and tuned, power efficient, and of small

profile so that it can be embedded close to the actual motion source for accurate capture of an event. In addition to sensing and

measuring the signal, data is ideally processed locally and stored for either offline or real-time analysis.

SolutionThe i Sensor ADIS16220 /  ADIS16223 /  ADIS16240 /  ADIS16204 family of integrated, low power, MEMS-based sensors can be adapted

easily to a wide range of vibration or shock scenarios where the sensing, measuring, processing, and storing of the signal data offers

the potential for performance or safety enhancements of industrial machinery as well as predictive maintenance.

The ADIS16220 (1-axis) and ADIS16223 (3-axis) offer an embedded programmable controller and support peak sample-and-hold,

capture trigger setting, internal filtering, and power management configurations. The controller simplifies the tuning of the device

to support a specific application. Data capture

is configurable to be user-, timer-, or event-

initiated, offering complete flexibility in meeting

either minimum power requirements or real-

time notification of system problems.

The ADIS16240 and ADIS16204 support

user-programmed shock thresholds and

hold pre- and post-event data along with

time-stamp, temperature, and voltage, while

consuming less than 1 mA in continuous

sampling mode. These functions make it ideal

for portable or battery-powered applications.

ADIS16220

CS

SCLK 

DIN

DOUT

GND

VDDRSTD IO 1 D IO 2

IN1

IN2

VREF

TEMP

SENSOR

USER

CONTROL

REGISTERS

CAPTURE

BUFFER

FILTER

ALARMSI/OSELF-TEST

SPI

PORT

OUTPUT

DATA

REGISTERS

CONTROLLER

CLOCK 

MEMS

SENSOR

POWER

MANAGEMENT

ADC

SPI

PORT

• Safety controls

Machine health•

Condition monitoring of valuable goods•

Embedded vibration monitoring•

Security sensing/tamper detection•

 Vibration analysis•

Safety, shut-off sensing•

Instrumentation diagnostics•

Appicaios

Parnmbr

nmbro Axs

Rag (g ) BadwidhPowr

(Sp/Aciv)Packag

Pric($u.S.)

Vibration 

 ADIS16220 1 ±70 22 kHz 230 μ A/38 mA 9.2 mm × 9.2 mm × 3.9 mm

LGA 53.00

 ADIS16223 3 ±70 22 kHz 230 μ A/43 mA 15 mm × 15 mm × 15 mm

LGA with flexibleconnector interface

145.00

Shock 

 ADIS16240 3 ±191600 Hz (X/Y),

550 Hz (Z)100 μ A/1 mA 12 mm × 12 mm BGA  26.58

 ADIS16204 3 ±70/37 (X/Y) 400 Hz 150 μ A/12 mA 9.2 mm × 9.2 mm × 3.9 mm

LGA 21.20

low g , low Powr i Ssor Accromrs

fcioa Bock Diagram

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low g Accromrs

i MeMS

Parnmbr

MasrmRag (g )

Axs Op RsoioSppy

Voag (V)tmprarRag (°C)

PackagPric

($u.S.)

 ADXL345 ±2,±4,±8,±16 3 Digital 10-bit to 13-bit 2.0 to 3.6 –40 to +85 3 mm × 5 mm × 1 mm LGA  3.04

 ADXL346 ±2,±4,±8,±16 3 Digital 10-bit to 13-bit 1.7 to 2.75 –40 to +85 3 mm × 3 mm × 0.95 mm LGA  3.04

 ADXL335 ±3 3 Analog 300 mV/  g  1.8 to 3.6 –40 to +85 4 mm × 4 mm × 1.45 mm LFCSP 2.38

 ADXL312W ±1.5,±3,±6,±12 3 Digital 10-bit to 13-bit 1.8 to 3.6 –40 to +105 5 mm × 5 mm × 1.4 5mm LFCSP 5.34

 ADXL103 ±1.7 1 Analog 1000 mV/  g  3 to 6 –40 to +125 5 mm × 5 mm × 2 mm LCC 8.20

 ADXL203 ±1.7 2 Analog 1000 mV/  g  3 to 6 –40 to +125 5 mm × 5 mm × 2 mm LCC 9.87

 ADXL325 ±6 3 Analog 174 mV/  g  1.8 to 3.6 –40 to +85 4 mm × 4 mm × 1.45 mm LFCSP 2.38

 ADXL326 ±18 3 Analog 57 mV/  g  1.8 to 3.6 –40 to +85 4 mm × 4 mm × 1.45 mm LFCSP 2.38

 ADXL327 ±2 3 Analog 420 mV/  g  1.8 to 3.6 –40 to +85 4 mm × 4 mm × 1.45 mm LFCSP 2.38

i Ssor

Parnmbr

Masrm Rag(g )

typicaBadwidh (kHz)

SppyVoag (V)

Crr(mA)

tmprarRag (°C)

PackagPric

($u.S.)

 ADIS16003 ±1.7 2.25 3.0 to 5.25 1.5 –40 to +125 7.2 mm × 7.2 mm LGA  17.96

 ADIS16006  ±5 2.25 3.0 to 5.25 1.5 –40 to +125 7.2 mm × 7.2 mm LGA  17.96

 ADIS16201  ±90°, ±1.7 2.25 3.0 to 3.6 11 –40 to +125 9.2 mm × 9.2 mm LGA  24.04

 ADIS16209  ±90° or ±180°,±1.7 0.05 3.0 to 3.6 11 –40 to +125 9.2 mm × 9.2 mm LGA  34.81

 ADIS16240  ±18 1.6 2.4 to 3.6 1 (100 μ A sleep) –40 to +125 12 mm × 12 mm BGA  26.58

High g Accromrs

i MeMS

Parnmbr

MasrmRag (g )

Axs OpRsoio

(mV/g )Sppy

Voag (V)tmprarRag (°C)

PackagPric

($u.S.)

 ADXL001  ±70, 250, 500 1 Analog 2.15, 4.3, 16 3.3 to 5.5 –40 to +125 5 mm × 5 mm ceramic LCC 36.74

 ADXL78  ±35, 50, 70 1 Analog 27, 38, 55 5 –40 to +105 5 mm × 5 mm ceramic LCC 5.58

 ADXL278  ±35, 50, 70 2 Analog 27, 38, 55 5 –40 to +105 5 mm × 5 mm ceramic LCC 7.84

i Ssor

Parnmbr

MasrmRag (g )

typicaBadwidh (kHz)

SppyVoag (V)

Powr Aciv/Sp

tmprarRag (°C)

PackagPric

($u.S.)

 ADIS16204  ±70 and ±37 Y 0.4 3.0 to 3.6 12 mA/150 μ A  –40 to +105 9.2 mm × 9.2 mm LGA  21.20

 ADIS16220  ±70 22 3.15 to 3.6 38 mA/230 μ A  –40 to +125 9.2 mm × 9.2 mm LGA  53.00

 ADIS16223  ±70 22 3.15 to 3.7 43 mA/230 μ A  –40 to +125 15 mm module 145.00

Gyroscops

i MeMS

Parnmbr

MasrmRag (°/s)

Ssiiviy(°/s)

typicaBadwidh (kHz)

SppyVoag (V)

nois Dsiy(°/s/√Hz)

no-iariy

SppyCrr (mA)

tmprarRag (°C)

Pric($u.S.)

 ADXRS450 ±300 80 LSB 0.08 3.15 to 5.25 0.015 0.05% of FS 6 –40 to +105 43.16

 ADXRS620 ±300 6 mv 2.5 4.75 to 5.25 0.05 0.1% of FS 3.5 –40 to +105 20.98

 ADXRS622 ±250 7 mV 2.5 4.75 to 5.25 0.06 0.1% of FS 3.5 –40 to +105 20.98

 ADXRS623 ±150 12.5 mV 3 4.75 to 5.25 0.04 0.1% of FS 3.5 –40 to +105 20.98

 ADXRS624 ±50 25 mV 1 4.75 to 5.25 0.04 0.1% of FS 3.5 –40 to +105 20.98

 ADXRS652 ±250 7 mV 2.5 4.75 to 5.25 0.06 0.1% of FS 3.5 –40 to +85 16.97

i Ssor

Par

nmbr

Masrm

Rag (°/s)

I-R Bias

Sabiiy (°/sc)

typicaBadwidh

(kHz)

Sppy

Voag (V)

Sppy

Crr (mA)

tmprar

Rag (°C)

PackagPric

($u.S.)

 ADIS16135 ±75 to ±300 0.0017 0.335 4.75 to 5.26 88 –40 to +105 36 mm × 44 mm module 499.00

 ADIS16260 ±80 to ±320 0.007 0.33 4.75 to 5.25 17 –40 to +105 11.2 mm × 11.2 mm LGA  42.48

 ADIS16265 ±80 to ±320 0.007 0.33 4.75 to 5.25 17 –40 to +105 11.2 mm × 11.2 mm LGA  56.57

 Analog Devices Sensor and Sensor Interface ICsFor a full product listing, please visit www.analog.com

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Iria Masrm uis (IMus)

i Ssor

Parnmbr

MasrmRag (°/s)

I-R BiasSabiiy

(°/s)

typicaBadwidh

(kHz)

SppyVoag (V)

SppyCrr

(mA)

tmprarRag (°C)

PackagPric

($u.S.)

 ADIS16360 ±75 to ±300, ±18 g  0.007 0.33 4.75 to 5.25 49 –40 to +10523 mm × 23 mm × 23 mm

module287.00

 ADIS16362 ±75 to ±300,±1.7 g  0.007 0.33 4.75 to 5.25 49 –40 to +10523 mm × 23 mm × 23 mm

module336.00

 ADIS16364 ±75 to ±300, ±5 g  0.007 0.33 4.75 to 5.25 49 –40 to +105 23 mm × 23 mm × 23 mmmodule

336.00

 ADIS16365 ±75 to ±300, ±18 g  0.007 0.33 4.75 to 5.25 49 –40 to +10523 mm × 23 mm × 23 mm

module375.00

 ADIS16367±300 to ±1200,

±18 g 0.013 0.33 4.75 to 5.25 49 –40 to +105

23 mm × 23 mm × 23 mmmodule

403.00

 ADIS16385 ±75 to ±300, ±5 g  0.0017 0.33 4.85 to 5.15 132 –40 to +10536 mm × 47 mm × 39 mm

module869.00

 ADIS16400±75 to ±300,±18 g ,

2.5 gauss0.007 0.33 4.75 to 5.25 70 –40 to +105

23 mm × 23 mm × 23 mmmodule

320.00

 ADIS16405±75 to ±300,±18 g ,

2.5 gauss0.007 0.33 4.75 to 5.25 70 –40 to +105

23 mm × 23 mm × 23 mmmodule

412.00

tmprar Ssors

Parnmbr

Irac fcio/Rsoio

MaxAccracy (°C)

OpraigRag (°C)

SppyRag (V)

MaxCrr (A)

Packag Pric($u.S.)

 Analog Output 

 AD590 Current out 1 μ A/°C ±1.0 @ –55 to +150 –55 to +150 4 to 30 298.2TO-52, 2-lead flat pack,

8-lead SOIC,2.24

TMP35 / TMP36

 Voltage out 10 mV/°C ±2 @ +25 –40 to +125 2.7 to 5.5 50TO-92, 5-lead SOT-23,

8-lead SOIC0.45

Digital Output 

 ADT7420 I²C/SMBus 16-bit local ±0.25 @ –10 to +105 –40 to +150 2.7 to 5.5 270 16-lead LFCSP 2.35

 ADT7320 SPI 16-bit local ±0.25 @ –10 to +105 –40 to +150 2.7 to 5.5 270 16-lead LFCSP 2.35

 ADT7410 I²C/SMBus 16-bit local ±0.5 @ –40 to +105 –40 to +150 2.7 to 5.5 270 8-lead SOIC 1.35

 ADT7310 SPI 16-bit local ±0.5 @ –40 to +105 –40 to +150 2.7 to 5.5 270 8-lead SOIC 1.35

thrmocop Ampiirs

Parnmbr

thrmocoptyp

AmbiRrc (°C)

SppyVoag (V)

SsorOps

SppyCrr (A)

tmprarRag (°C)

PackagPric

($u.S.)

 AD8494 J 0 to 50 2.7 to ±18 5 180 –40 to +125 8-lead MSOP 0.98

 AD8495 K 0 to 50 2.7 to ±18 5 180 –40 to +125 8-lead MSOP 0.98

 AD8496 J 25 to 100 2.7 to ±18 5 180 –40 to +125 8-lead MSOP 0.98

 AD8497 K 25 to 100 2.7 to ±18 5 180 –40 to +125 8-lead MSOP 0.98

Rsovr-o-Digia Covrrs

Parnmbr

Rsoio(Bis)

trackigRa (rps)

Accracy(arcmi)

Rrcfrqcy

(kHz)Irac

ecodremaio

Sigtim (ms)

O-Boardexciaio

PackagPric

($u.S.)

 AD2S1210 10 to 163125/1250/ 

625/15626/10.3/6.3/5.3

(5 + 1 LSB)2 to 20

Paralleland serial

 Yes 5 (12 bits) Yes 48-lead PQFP 12.00

 AD2S1205 12 1250 22/11 10 to 20Parallel

and serial Yes 5 (12 bits) Yes 44-lead LQFP 12.14

 AD2S1200 12 1000 22/11 10 to 20Parallel

and serial Yes 5 (12 bits) Yes 44-lead LQFP 12.14

 AD2S90 12 500 10.6 3 to 20 Serial Yes >21 No 20-lead PLCC 30.56

 AD2S8xA  10 to 16 1040/260/ 65/16.25

23/7.3/3.3/2.3(2 + 1 LSB)

50 to 20 Parallel No Userdefined

No 44-lead PLCC 164.69

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16-Bit Digital Temperature Sensors Offer Breakthrough ±0.25°C Accuracy Over−10°C to +105°CThe ADT7320 and ADT7420 digital temperature sensors monitor

and digitize temperature to a resolution of 0.0078°C (16 bits)

providing accuracy of±0.25°C over a range of –10°C to

+105°C. Each device contains a band gap temperature reference

along with a high precision ∑-∆ ADC. The ADT7320 is SPI-

compatible; the ADT7420 is I2C-compatible.

 ADT7320/ADT7420 Features 

No temperature calibration/correction required•

High stability/reliability•

Critical temperature indicator•

Over/undertemperature interrupt•

Power saving mode: 1 SPS•

Shutdown mode: 7• μW typical at 3.3 V

Package: 16-lead LFCSP (RoHS-compliant)•

Traceable to NIST•

Thermocouple Amplifiers Simplify Design with Integrated Cold Junction Compensationand Highly Accurate Temperature OutputThe AD8494 and AD8495 are easy to use amplifiers for J and K type thermocouples. These amplifiers convert the small voltage

generated by a thermocouple junction into a 5 mV/°C signal that can easily be read by an analog-to-digital converter (ADC) or

microcontroller. These devices perform cold junction compensation using an on-board temperature sensor with accurate

measurements over a wide range of ambient (junction) temperatures. High common-mode rejection (0.1°C/V) allows the AD849x 

to reject common-mode noise sometimes associated with long lead thermocouples.

The AD849x operates off a wide variety of supply voltages fromsingle 2.7 V to ±18 V. In single supply operation the AD849x 

can directly interface to lower supply ADCs, while higher dual

supply voltages can be used for industrial systems that require a

wide common-mode input range. With a single 5 V supply, the

 AD849x can cover nearly 1000° of a thermocouple’s temperature

range. A reference pin allows for level shifting of the 0°C output

so that negative temperatures can easily be measured, even on

a single supply.

 AD8494/AD8495 Features 

Output voltage: 5 mV/°C•

Rail-to-rail output swing•

Supply range: +2.7 V to• ±18 V

High gain accuracy: 0.1%•

Low power: 180• μ A quiescent supply current

High common-mode rejection: 0.1°C/V•

Operation up to 125°C•

-1.0

-0.8

-0.6

-0.4

-0.2

0.0

0.2

0.4

0.6

0.8

1.0

-50 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110 120 130

MAX ACCURACY LIMITS

   T   E   M   P   E   R   A   T   U   R   E

   E   R   R    O   R   (   º    C   )

TEMPERATURE (ºC)

• Medical equipment

Thermal monitoring•

and protection

Industrial process control•

Environmental control systems•

RTD and thermistor•

replacement

Cold junction compensation•

Pharmaceutical and•

food monitoring

Appicaios

ADt7320 $2.35

ADt7420 $2.35

Pricig

tmprar Accracy

IN-AMP

AD849x

+INTHERMOCOUPLE

–IN

OUT

SENSE

REF –VS

+VS

COLD JUNCTION

COMPENSATION

8

2 3

6

7

15

• Oven measurements

Exhaust gas•

temperature sensing

Industrial controls•

Handheld meters•

Appicaios

AD8494 $0.98

AD8495 $0.98

AD8496 $0.98

AD8497 $0.98

Pricig

fcioa Bock Diagram

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High Performance Resolver-to-Digital Converter Offers Integrated ExcitationSource for Programmable Speed vs. Resolution and Fault Alert OutputsThe AD2S1210 is a complete 10-bit to 16-bit resolution tracking

resolver-to-digital converter with an integrated on-board

programmable sinusoidal oscillator that provides sine wave

excitation for resolvers. It accepts a wide input signal range:

3.15 V peak-to-peak ± 27% from 2 kHz to 20 kHz on the sine

and cosine inputs to match accurate, high speed load positioningrequirements in motion control. A Type II servo loop is employed

to track the inputs and convert the input sine and cosine

information into a digital representation of the input angle and

velocity. The maximum tracking rate is 3125 rps. The device is

specified for −40°C to +125°C.

The device has fault detection circuitry that can sense loss

of resolver signals, out-of-range input signals, input signal

mismatch, or loss of position tracking. The fault detection

threshold levels can be individually programmed by the user

for optimization within a particular application.

 AD2S1210 Features 

Complete monolithic resolver-to-digital converter•

3125 rps maximum tracking rate (10-bit resolution)•

 • ±5.3 arcminutes of accuracy

10-/12-/14-/16-bit resolution, set by user•

Parallel and serial 10-bit to 16-bit data ports•

 Absolute position and velocity outputs•

System fault detection•

 ADXL345 Ultralow Power, Low g Accelerometer Extends Battery Life While EnhancingUser Experience in Space-Constrained ApplicationsMotion sensing functionality in industrial, instrumentation, and healthcare devices offers multiple benefits including an enhanced user

experience and extended battery life. The ultralow power ADXL345 3-axis i MEMS digital accelerometer offers 4 mg resolution and

built-in motion detection functionality including single/double tap sensing, activity/inactivity sensing based on a user-set level, and

free-fall sensing. The device consumes only 140 μ A in full activity across a wide bandwidth of 1600 Hz. A 32 level first in, first out

(FIFO) buffer minimizes host processor load and saves even more overall system power consumption to preserve battery life. It is

available in a 3 mm × 5 mm × 1 mm, 14-lead LGA package.

FADXL345 Features 

 • ±2 g ,±4 g ,±8 g, and ±16 g ranges

Ultralow power:•

•140 μ A in full measurement mode

•30 μ A in limited bandwidth measurement mode

•0.1 μ A in standby mode at VS = 2.5 V (typical)

Supply voltage: 2.0 V to 3.6 V•

SPI and I•2C digital interfaces

Temperature range: −40°C to +85°C•

Package: 3 mm• × 5 mm × 1 mm LGA 

REFERENCEOSCILLATOR

(DAC)

AD2S1210

      E      N      C

      O      D      E      R

      E      M      U      L      A      T      I      O      N

SYNTHETIC

REFERENCE

RESET

REFERENCE

PINSCRYSTAL

TYPE II

TRACKING LOOP

POSITION

REGISTER

VELOCITY

REGISTER

ADC

ADC

VOLTAGEREFERENCE

INTERNALCLOCK 

GENERATOR

FAULT

DETECTION

CONFIGURATION

REGISTER

MULTIPLEXER

DATA BUS OUTPUT

ENCODED

EMULATION

OUTPUTS

FAULT

DETECTION

OUTPUTS

DATA I/O

DATA I/O

INPUTS

FROM

RESOLVER

EXCITIATIONOUTPUTS

• DC and ac servo motor control

Encoder emulation•

Electric power steering•

Electric vehicles•

Integrated starter•

generators/alternators

 Automotive motion•

sensing and control

Appicaios

AD2S1210 $12.00/1K 

Pricig

fcioa Bock Diagram

7for daa shs, samps, ad addiioa rsorcs, visi www.aaog.com/V10Ssors

8/6/2019 Sensor SB 6

http://slidepdf.com/reader/full/sensor-sb-6 8/8

Aaog Dvics, Ic. 600 North Bedford StreetEast Bridgewater, MA 02333-1122

 All prices in this bulletin are in USD in quantitiesgreater than 1000 (unless otherwise noted),

recommended lowest grade resale, FOB U.S.A.

I2C refers to a communications protocoloriginally developed by Philips Semiconductors

(now NXP Semiconductors).

©2010 Analog Devices, Inc. All rights reserved.Trademarks and registered trademarks are the

property of their respective owners.

Inventory Code: SENSORS-V10-IS6-10

Printed in the U.S.A. SB09056-3-6/10

IMUs Offer Accuracy and Ease of Implementation for ComplexInertial Sensing Applications Accurately sensing motion on three axes for such inertial sensing applications as industrial navigation or platform

stabilization control requires tight tolerance over temperature drift, vibration influence, sensitivity variance, and

mechanical alignment.

Solution

 ADI’s high performance i Sensor IMUs deliver

the integration of hundreds of components,

complex signal processing, and multiaxis,

multisensor calibration for four, six, and nine

degrees of freedom sensing. The ADIS1636x 

and ADIS1640x families all integrate three

axes of both linear and rotational sensors,

with options for magnetometers. Cross-axis

sensor alignment is held to 0.05,° and factory

calibration provides a tempco of 40 ppm/°C for

sensor sensitivity. Gyro dynamic range options

of up to 1200° per second are available, and

accelerometer dynamic range options vary

from ±1.7 g to 18 g . A sensor bandwidth of

330 Hz, along with programmable internal

digital filtering, supports high accuracy and

application optimization. 

TRI-AXIS MEMS

ANGULAR RATE

SENSORSIGNAL

CONDITIONING

AND

CONVERSION

CALIBRATION

AND

DIGITAL

DIGITAL

CONTROL

POWER

MANAGMENT

OUTPUT

REGISTERS

AND SPI

INTERFACE

AUX_ADC AUX_DAC

RST

CS

SCLK 

DIN

DOUT

TRI-AXIS MEMS

ACCELERATION

SENSOR

VCC

GND

DIO4/CLKIN

SELF-TEST

ADIS16360/ADIS16365

TEMPERATURE

SENSOR

ALARMS

DIO3DIO2DIO1

• Platform control, stability, and alignment

Industrial vehicle navigation•

Robotic control•

Medical instrumentation•

Unmanned aerial vehicles•

Appicaios

 

An-1041 Appicaio no, i Ssor IMU Quick Start Guide and Bias Optimization Tips . To access this note,

visit www.analog.com/AN-1041.

fcioa Bock Diagram

Aaog Dvics, Ic.

Wordwid Hadqarrs Analog Devices, Inc.

One Technology Way

P.O. Box 9106

Norwood, MA 02062-9106

U.S.A.

Tel: 781.329.4700

(800.262.5643,

U.S.A. only)

Fax: 781.461.3113

Aaog Dvics, Ic.erop Hadqarrs

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Germany

Tel: 49.89.76903.0

Fax: 49.89.76903.157

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Fax: 86.21.2320.8222

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