AD22281-REEL

AD22281-REEL Datasheet

Model No. AD22279 Min Typ Max

Part	Datasheet
AD22281-REEL	AD22281-REEL (pdf)

Related Parts	Information
AD22280-REEL	AD22280-REEL

PDF Datasheet Preview
Complete acceleration measurement system on a single monolithic IC Available in ±35 g, ±50 g, or ±70 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 mA 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 Vibration monitoring and control Vehicle collision sensing Shock detection Single-Axis, High-g, Accelerometers ADXL78 The ADXL78 is a low power, complete single-axis accelerometer with signal conditioned voltage outputs that are on a single monolithic IC. This product measures acceleration with a fullscale range of ±35 g, ±50 g, or ±70 g minimum . It can also measure both dynamic acceleration vibration and static acceleration gravity . The ADXL78 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 ADXL78 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 ADXL78 is available in a 5 mm x 5 mm x 2 mm, 8-terminal ceramic LCC package. VS VDD VDD2 FUNCTIONAL BLOCK DIAGRAM TIMING GENERATOR ADXL78 DIFFERENTIAL SENSOR DEMOD AMP 400Hz BESSEL FILTER XOUT 05368-001 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. ADXL78* 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 • ADXL78 Single-Axis, High-g, Accelerometers Data Sheet Design Resources • ADXL78 Material Declaration • PCN-PDN Information • Quality And Reliability • Symbols and Footprints Discussions View all ADXL78 EngineerZone Discussions Sample and Buy Applications Power Supply Decoupling Self-Test Clock Frequency Supply Response Signal Distortion Outline Dimensions ADXL78 Ordering Automotive Products ADXL78 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 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 IOUT ±100 uA VDD = 5 V, 100 Hz VOUT − VDD/2, VDD = 5 V 10 Hz − 400 Hz, 5V 2-pole Bessel 25°C to TMIN or TMAX VDD = 5 V VDD = 5 V VDD = 5 V Pull-down resistor to GND IOUT = ±400 uA VDD = 5 V Model No. AD22279 Min Typ Max −5 24 −200 +200 360 400 440 2 440 550 660 30 50 VDD − 1000 −40 +105 Model No. AD22280 Min Typ Max −5 −150 +150 360 400 440 2 304 380 456 30 50 VDD − 1000 −40 +105 ADXL78 ORDERING GUIDE Model1, 2, 3 Parts per Reel Measurement Range AD22279-A-R2 ±35 g AD22279-A 3,000 ±35 g ADW22279ZC 3,000 ±35 g ADW22279ZC-RL7 250 ±35 g AD22280-R2 ±50 g AD22280 3,000 ±50 g ADW22280ZC 3,000 ±50 g ADW22280ZC-RL7 250 ±50 g AD22281-R2 ±70 g AD22281 3,000 ±70 g ADW22281ZC 3,000 ±70 g ADW22281ZC-RL7 250 ±70 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-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal 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 ADXL78 NOTES NOTES ADXL78 ADXL78 NOTES 2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D05368-0-7/10 B

PDF Datasheet Preview

Complete acceleration measurement system on a single monolithic IC

Available in ±35 g, ±50 g, or ±70 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 mA 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

Vibration monitoring and control Vehicle collision sensing Shock detection

Single-Axis, High-g,

Accelerometers

ADXL78

The ADXL78 is a low power, complete single-axis accelerometer with signal conditioned voltage outputs that are on a single monolithic IC. This product measures acceleration with a fullscale range of ±35 g, ±50 g, or ±70 g minimum . It can also measure both dynamic acceleration vibration and static acceleration gravity .

The ADXL78 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 ADXL78 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 ADXL78 is available in a 5 mm x 5 mm x 2 mm, 8-terminal ceramic LCC package.

VS VDD VDD2

FUNCTIONAL BLOCK DIAGRAM

TIMING GENERATOR

ADXL78

DIFFERENTIAL SENSOR

DEMOD AMP
400Hz BESSEL FILTER

XOUT
05368-001

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.

ADXL78* 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
• ADXL78 Single-Axis, High-g, Accelerometers

Data Sheet

Design Resources
• ADXL78 Material Declaration
• PCN-PDN Information
• Quality And Reliability
• Symbols and Footprints

Discussions

View all ADXL78 EngineerZone Discussions

Sample and Buy
Applications Power Supply Decoupling Self-Test Clock Frequency Supply Response Signal Distortion
Outline Dimensions ADXL78 Ordering Automotive Products

ADXL78

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 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 IOUT ±100 uA

VDD = 5 V, 100 Hz

VOUT − VDD/2, VDD = 5 V 10 Hz − 400 Hz, 5V 2-pole Bessel 25°C to TMIN or TMAX VDD = 5 V VDD = 5 V VDD = 5 V Pull-down resistor to GND IOUT = ±400 uA

VDD = 5 V

Model No. AD22279 Min Typ Max
−5 24
−200
+200
360 400 440 2
440 550 660
30 50

VDD −
1000
−40
+105

Model No. AD22280 Min Typ Max
−5
−150
+150
360 400 440 2
304 380 456
30 50

VDD −
1000
−40
+105
ADXL78 ORDERING GUIDE

Model1, 2, 3

Parts per Reel

Measurement Range

AD22279-A-R2
±35 g

AD22279-A
3,000 ±35 g

ADW22279ZC
3,000 ±35 g

ADW22279ZC-RL7 250
±35 g

AD22280-R2
±50 g

AD22280
3,000 ±50 g

ADW22280ZC
3,000 ±50 g

ADW22280ZC-RL7 250
±50 g

AD22281-R2
±70 g

AD22281
3,000 ±70 g

ADW22281ZC
3,000 ±70 g

ADW22281ZC-RL7 250
±70 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-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal Ceramic Leadless Chip Carrier 8-Terminal 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

ADXL78 NOTES

NOTES

ADXL78

ADXL78 NOTES
2010 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners.

D05368-0-7/10 B

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Datasheet ID: AD22281-REEL 517885