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ADXL180:  Configurable, High-g, iMEMS® Accelerometer

Product Status:Production
Data
Sheet
ADXL180 Data Sheet Rev A, 11/2008 (pdf 846kB)

Product Details

Product Status:Production
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The ADXL180 iMEMS® accelerometer is a configurable, single axis, integrated satellite sensor that enables low cost solutions for front and side impact airbag applications. Acceleration data is sent to the control module via a digital 2-wire current loop interface bus. The communication protocol is programmable for compatibility with various automotive interface bus standards.

The sensor g range is configurable to provide full-scale ranges from ±50 g to ±500 g. The sensor signal third-order, low-pass Bessel filter bandwidth is configurable at 100 Hz, 200 Hz, 400 Hz, and 800 Hz.

The 10-bit analog-to-digital converter (ADC) allows either 8-bit or 10-bit acceleration data to be transmitted to the control module. Each part has a unique electronic serial number. The device is rated for operation from −40°C to +125°C and is available in a 5 mm × 5 mm LFCSP package.

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FEATURES and BENEFITS

  • Wide sensor range: 50 g to 500 g
  • Adjustable filter bandwidth: 100 Hz to 800 Hz
  • Configurable communication protocol
    2-wire, current mode bus interface
  • Selectable sensor data resolution: 8 bit or 10 bit
  • Continuous auto-zero
  • Fully differential sensor and interface circuitry
    High resistance to EMI/RFI
  • Sensor self-test
  • 5.0 V to 14.5 V operation
  • 8 bits of user-defined OTP memory
  • 32-bit electronic serial number
  • Dual device per bus option

ADXL180 Functional Block Diagram

ADXL180 Functional Block Diagram
Typical Applications and Other Diagrams

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Documentation

Title Content Type File Type
ADXL180: Configurable, High-g, iMEMS® Accelerometer Data Sheet (Rev A, 11/2008) (pdf, 846 kB) Data Sheets PDF
AN-688: Phase and Frequency Response of iMEMS® Accelerometers and Gyros  (pdf, 135 kB) Application Notes PDF
Accelerometer Specifications - Quick Definitions Technical Documentation HTML
Basic MEMS Terminology  (pdf, 40 kB) Overview PDF
What are the shock ratings or limits for the MEMS devices? FAQs/RAQs HTML
What is an inertial sensor? FAQs/RAQs HTML
What is an accelerometer and a gyroscope, and how do they differ? FAQs/RAQs HTML
Where would you use an accelerometer? FAQs/RAQs HTML
Where would you use a gyroscope? FAQs/RAQs HTML
What are the major error sources for inertial sensors? FAQs/RAQs HTML
What is the limit of resolution of an inertial sensor? FAQs/RAQs HTML
I need finer resolution. What do I do? FAQs/RAQs HTML
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Evaluation Kits & Symbols & Footprints

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Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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Price, packaging, availability

ADXL180 Model Options
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

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