AIS25BA 3-Axis Accelerometer

STMicroelectronics' ultra-low noise, low latency, wide bandwidth, 3-axis digital accelerometer has a dedicated TDM interface

Image of STMicroelectronics AIS25BA 3-Axis AccelerometerSTMicroelectronics' AIS25BA is an ultra-low noise, low latency, wide bandwidth, three-axis digital accelerometer with dedicated time-division multiplexing (TDM) interface designed to address automotive non-safety applications, in particular wideband active noise control (ANC) and vibration monitoring.

The AIS25BA has a user-selectable full-scale range of ±3.85 g/±7.7 g, a TDM interface for the sensor data, and an I²C interface for device configuration.

The AIS25BA is available in a small thin plastic land grid array package (LGA) and is guaranteed to operate over an extended temperature range from -40°C to +125°C.

Features
  • AEC-Q100 qualified
  • 3-axis accelerometer with user-selectable full-scale: ±3.85 g / ±7.7 g
  • Wide and flat frequency response: from DC up to 2.4 kHz (typ)
  • Low latency (entire reading chain): 266 µs at 2 kHz (typ)
  • Ultra-low noise density (typ: 30 µg/√Hz for X and Y axes; 50 µg/√Hz for Z-axis)
  • TDM (8 kHz, 16 kHz, 24 kHz) secondary interface for sensor data and I²C interface for configuration
  • Supply voltage: 1.71 V to 2.1 V
  • Extended temperature range: -40°C to +125°C
  • Embedded self-test
  • Compact package: LGA 2.5 x 2.5 x 0.86 mm 14-lead
  • 10,000 g high shock survivability
  • Lead-free, ECOPACK®, and RoHS compliant

AIS25BA 3-Axis Accelerometer

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Published: 2022-09-06