New Product Introduction

STMicroelectronics A3G4250D

A3G4250D - 3-axis digital gyroscope for automotive telematics, navigation applications

STMicroelectrtincs A3G4250D teaser image

The A3G4250D is a low-power 3-axis angular rate sensor able to provide unprecedented stability at zero rate level and sensitivity over temperature and time. It includes a sensing element and an IC interface capable of providing the measured angular rate to the external world through a standard SPI digital interface. An I2C-compatible interface is also available.

The sensing element is manufactured using a dedicated micro-machining process developed by STMicroelectronics to produce inertial sensors and actuators on silicon wafers.

The IC interface is manufactured using a CMOS process that allows a high level of integration to design a dedicated circuit which is trimmed to better match the sensing element characteristics.

The A3G4250D has a full scale of ±245 dps and is capable of measuring rates with a user-selectable bandwidth.

The A3G4250D is available in a plastic land grid array (LGA) package and can operate within a temperature range of -40 °C to +85 °C.

Features & benefits

  • Wide supply voltage: 2.4 V to 3.6 V 
  • ±245 dps full scale 
  • I2C/SPI digital output interface 
  • 16-bit rate value data output, 8-bit temperature data output 
  • Two digital output lines (interrupt and data ready) 
  • Integrated low and high-pass filters with user-selectable bandwidth 
  • Ultra-stable over temperature and time 
  • Low-voltage-compatible IOs (1.8 V) 
  • Embedded power-down and sleep mode 
  • Embedded temperature sensor 
  • Embedded FIFO 
  • High shock survivability 
  • Extended operating temperature range (-40 °C to +85 °C) 
  • AEC-Q100 qualification

Applications

  • In-dash car navigation
  • Telematics, e-Tolling
  • Motion control with MMI (man-machine interface)
  • Appliances and robotics

 

Links & Documents



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