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ADXL180

Analog Devices
Part Number ADXL180
Manufacturer Analog Devices
Description iMEMS Accelerometer
Published Mar 9, 2017
Detailed Description Data Sheet FEATURES Wide sensor range: 50 g to 500 g Adjustable filter bandwidth: 100 Hz to 800 Hz Configurable communic...
Datasheet PDF File ADXL180 PDF File

ADXL180
ADXL180

Overview
Data Sheet FEATURES 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 APPLICATIONS Crash sensing Configurable, High g, iMEMS Accelerometer ADXL180 GENERAL DESCRIPTION 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.
FUNCTIONAL BLOCK DIAGRAM ADXL180 VSCI V/Q OSCILLATOR/ TIMING GENERATOR OTP FUSE ROM SERIAL NUMBER TRIMS CONFIGURATION DATA MOD DIFF SENSOR DEMOD AMP 3-POLE BESSEL FILTER 10BIT ADC AUTOZERO VCM REF VCM SELFTEST VSCO Figure 1.
SERIAL VBP PORT COMM INTERFACE VBC VBN SYNC DETECT PROGRAM INTERFACE STATE MACHINE VOLTAGE REGULATOR VDD SUPPLY MONITOR 07544-001 Rev.
B Document Feedback 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 i...


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