DESCRIPTION

· The ADXL180 iMEMS® accelerometer is a configurable, single-axis sensor for low-cost airbag applications.
· It transmits acceleration data via a digital 2-wire current loop interface bus.
· The sensor range is configurable from ±50 g to ±500 g.
· Features a third-order, low-pass Bessel filter with configurable bandwidths of 100 Hz, 200 Hz, 400 Hz, and 800 Hz.
· Includes a 10-bit ADC for 8-bit or 10-bit data transmission.
· Operates from −40°C to +125°C in a 5 mm × 5 mm LFCSP package.

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.
· 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.