AD22285-REEL

AD22285-REEL Datasheet

Model No. AD22284 Min Typ Max

Part	Datasheet
AD22285-REEL	AD22285-REEL (pdf)

Related Parts	Information
AD22286-REEL	AD22286-REEL

PDF Datasheet Preview
Dual-Axis, High-g, Accelerometers ADXL278 Complete dual-axis acceleration measurement system on a single monolithic IC Available in ±35 g/±35 g, ±50 g/±50 g, or ±70 g/±35 g output full-scale ranges Full differential sensor and circuitry for high resistance to EMI/RFI Environmentally robust packaging Complete mechanical and electrical self-test on digital command Output ratiometric to supply Sensitive axes in the plane of the chip High linearity of full scale Frequency response down to dc Low noise Low power consumption Tight sensitivity tolerance and 0 g offset capability Largest available prefilter clipping headroom 400 Hz, 2-pole Bessel filter Single-supply operation Compatible with Sn/Pb and Pb-free solder processes Qualified for automotive applications The ADXL278 is a low power, complete, dual-axis accelerometer with signal conditioned voltage outputs that are on a single monolithic IC. This product measures acceleration with a full-scale range of X-axis/Y-axis ±35 g/±35 g, ±50 g/ ±50 g, or ±70 g/±35 g minimum . The ADXL278 can also measure both dynamic acceleration vibration and static acceleration gravity . The ADXL278 is the fourth-generation surface micromachined accelerometer from ADI with enhanced performance and lower cost. Designed for use in front and side impact airbag applications, this product also provides a complete costeffective solution useful for a wide variety of other applications. The ADXL278 is temperature stable and accurate over the automotive temperature range, with a self-test feature that fully exercises all the mechanical and electrical elements of the sensor with a digital signal applied to a single pin. The ADXL278 is available in a 5 mm x 5 mm x 2 mm, 8-terminal ceramic LCC package. Vibration monitoring and control Vehicle collision sensing Shock detection FUNCTIONAL BLOCK DIAGRAM ADXL278 VS VDD VDD2 VDD3 DIFFERENTIAL SENSOR TIMING GENERATOR DEMOD AMP 400Hz BESSEL FILTER XOUT DIFFERENTIAL SENSOR DEMOD AMP 400Hz BESSEL FILTER YOUT 05365-001 SELF-TEST Figure 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. Trademarks and registered trademarks are the property of their respective owners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: Fax: 2010 Analog Devices, Inc. All rights reserved. ADXL278* Product Page Quick Links Last Content Update 11/01/2016 Comparable Parts View a parametric search of comparable parts Documentation Application Notes • AN-652 Considerations for Soldering Accelerometers in LCC-8 Packages onto Printed Circuit Boards • AN-688 Phase and Frequency Response of Accelerometers and Gyros Data Sheet • ADXL278 Dual-Axis, High-g, Accelerometers Data Sheet Theory of Operation Applications Power Supply Decoupling Self-Test Clock Frequency Supply Response Signal Distortion Outline Dimensions ADXL278 Ordering Automotive Products ADXL278 SPECIFICATIONS1 At TA = −40°C to +105°C, V dc ± 5%, acceleration = 0 g, unless otherwise noted. Table Parameter SENSOR Output Full-Scale Range Nonlinearity Package Alignment Error Sensor-to-Sensor Alignment Error Cross-Axis Sensitivity Resonant Frequency Sensitivity, Ratiometric Over Temperature OFFSET Zero-g Output Voltage Over Temperature 2 NOISE Density Clock Noise FREQUENCY RESPONSE −3 dB Frequency −3 dB Frequency Drift SELF-TEST Output Change Cube vs. VDD 3 Logic Input High Logic Input Low Input Resistance OUTPUT AMPLIFIER Output Voltage Swing Capacitive Load Drive PREFILTER HEADROOM CFSR 400 kHz POWER SUPPLY VDD Functional Range Quiescent Supply Current TEMPERATURE RANGE Conditions Model No. AD22284 Min Typ Max IOUT ±100 µA 37 VDD = 5 V, 100 Hz −5 24 VOUT − VDD/2, VDD = 5 V −150 +150 10 Hz − 400Hz, 5V 2-pole Bessel 360 25°C to TMIN or TMAX VDD = 5 V 5 400 440 2 550 660 VDD = 5 V VDD = 5 V Pull-down resistor to GND IOUT = ±400 µA VDD − 1000 VDD = 5 V −40 ADXL278 ORDERING GUIDE Model1, 2, 3 Parts Measurement per Reel Range AD22284-A-R2 ±35 g/±35 g AD22284-A 3,000 ±35 g/±35 g ADW22284ZC 3,000 ±35 g/±35 g ADW22284ZC-RL7 250 ±35 g/±35 g AD22285-R2 ±50 g/±50 g AD22285 3,000 ±50 g/±50 g ADW22285ZC 3,000 ±50 g/±50 g ADW22285ZC-RL7 250 ±50 g/±50 g AD22286-R2 ±70 g/±35 g AD22286 3,000 ±70 g/±35 g ADW22286ZC 3,000 ±70 g/±35 g ADW22286ZC-RL7 250 ±70 g/±35 g Specified Voltage V 5 Temperature Range −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C Package Description 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 1 All models are on tape and reel and are RoHS compliant parts. 2 Z = RoHS Compliant Part. 3 W = Qualified for Automotive Applications. Package Option E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 AUTOMOTIVE PRODUCTS ADXL278 NOTES NOTES ADXL278 ADXL278 NOTES 2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D05365-0-8/10 B

PDF Datasheet Preview

Dual-Axis, High-g, Accelerometers

ADXL278

Complete dual-axis acceleration measurement system on a single monolithic IC

Available in ±35 g/±35 g, ±50 g/±50 g, or ±70 g/±35 g output full-scale ranges

Full differential sensor and circuitry for high resistance to EMI/RFI

Environmentally robust packaging Complete mechanical and electrical self-test on digital
command Output ratiometric to supply Sensitive axes in the plane of the chip High linearity of full scale Frequency response down to dc Low noise Low power consumption Tight sensitivity tolerance and 0 g offset capability Largest available prefilter clipping headroom 400 Hz, 2-pole Bessel filter Single-supply operation Compatible with Sn/Pb and Pb-free solder processes Qualified for automotive applications

The ADXL278 is a low power, complete, dual-axis accelerometer with signal conditioned voltage outputs that are on a single monolithic IC. This product measures acceleration with a full-scale range of X-axis/Y-axis ±35 g/±35 g, ±50 g/ ±50 g, or ±70 g/±35 g minimum . The ADXL278 can also measure both dynamic acceleration vibration and static acceleration gravity .

The ADXL278 is the fourth-generation surface micromachined accelerometer from ADI with enhanced performance and lower cost. Designed for use in front and side impact airbag applications, this product also provides a complete costeffective solution useful for a wide variety of other applications.

The ADXL278 is temperature stable and accurate over the automotive temperature range, with a self-test feature that fully exercises all the mechanical and electrical elements of the sensor with a digital signal applied to a single pin.

The ADXL278 is available in a 5 mm x 5 mm x 2 mm, 8-terminal ceramic LCC package.

Vibration monitoring and control Vehicle collision sensing Shock detection

FUNCTIONAL BLOCK DIAGRAM

ADXL278

VS VDD VDD2 VDD3

DIFFERENTIAL SENSOR

TIMING GENERATOR

DEMOD AMP
400Hz BESSEL FILTER

XOUT

DIFFERENTIAL SENSOR

DEMOD AMP
400Hz BESSEL FILTER

YOUT
05365-001

SELF-TEST

Figure

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. Trademarks and registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel:

Fax:
2010 Analog Devices, Inc. All rights reserved.

ADXL278* Product Page Quick Links

Last Content Update 11/01/2016

Comparable Parts

View a parametric search of comparable parts

Documentation

Application Notes
• AN-652 Considerations for Soldering Accelerometers in

LCC-8 Packages onto Printed Circuit Boards
• AN-688 Phase and Frequency Response of

Accelerometers and Gyros Data Sheet
• ADXL278 Dual-Axis, High-g, Accelerometers

Data Sheet
Theory of Operation Applications
Power Supply Decoupling Self-Test Clock Frequency Supply Response Signal Distortion Outline Dimensions ADXL278 Ordering Automotive Products

ADXL278

SPECIFICATIONS1

At TA = −40°C to +105°C, V dc ± 5%, acceleration = 0 g, unless otherwise noted.

Table

Parameter SENSOR

Output Full-Scale Range

Nonlinearity Package Alignment Error Sensor-to-Sensor Alignment Error Cross-Axis Sensitivity Resonant Frequency Sensitivity, Ratiometric Over Temperature

OFFSET Zero-g Output Voltage Over Temperature 2

NOISE Density

Clock Noise FREQUENCY RESPONSE
−3 dB Frequency −3 dB Frequency Drift

SELF-TEST Output Change Cube vs. VDD 3

Logic Input High Logic Input Low Input Resistance

OUTPUT AMPLIFIER Output Voltage Swing

Capacitive Load Drive PREFILTER HEADROOM CFSR 400 kHz

POWER SUPPLY VDD Functional Range Quiescent Supply Current

TEMPERATURE RANGE

Conditions

Model No. AD22284 Min Typ Max

IOUT ±100 µA 37

VDD = 5 V, 100 Hz
−5 24

VOUT − VDD/2, VDD = 5 V
−150
+150
10 Hz − 400Hz, 5V
2-pole Bessel 360
25°C to TMIN or TMAX

VDD = 5 V
5 400 440 2
550 660

VDD = 5 V

VDD = 5 V

Pull-down
resistor to GND

IOUT = ±400 µA

VDD −
1000

VDD = 5 V
−40
ADXL278 ORDERING GUIDE

Model1, 2, 3

Parts

Measurement
per Reel Range

AD22284-A-R2
±35 g/±35 g

AD22284-A
3,000
±35 g/±35 g

ADW22284ZC
3,000
±35 g/±35 g

ADW22284ZC-RL7 250
±35 g/±35 g

AD22285-R2
±50 g/±50 g

AD22285
3,000
±50 g/±50 g

ADW22285ZC
3,000
±50 g/±50 g

ADW22285ZC-RL7 250
±50 g/±50 g

AD22286-R2
±70 g/±35 g

AD22286
3,000
±70 g/±35 g

ADW22286ZC
3,000
±70 g/±35 g

ADW22286ZC-RL7 250
±70 g/±35 g

Specified Voltage V 5

Temperature Range −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C −40°C to +105°C

Package Description 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier 8-Lead Ceramic Leadless Chip Carrier
1 All models are on tape and reel and are RoHS compliant parts. 2 Z = RoHS Compliant Part. 3 W = Qualified for Automotive Applications.

Package Option E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1 E-8-1

AUTOMOTIVE PRODUCTS
ADXL278 NOTES

NOTES

ADXL278

ADXL278 NOTES
2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners.

D05365-0-8/10 B

Notice: we do not provide any warranties that information, datasheets, application notes, circuit diagrams, or software stored on this website are up-to-date or error free. The archived AD22285-REEL Datasheet file may be downloaded here without warranties.

Datasheet ID: AD22285-REEL 517884