A3G4250D datasheet(1/44 Pages) STMICROELECTRONICS

Part #	A3G4250D

Description	16-bit rate value data output

PDF	44 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 44 page

February 2012

Doc 022768 Rev 3

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44

A3G4250D

MEMS motion sensor:

3-axis digital output gyroscope

Features

■ 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)

■ ECOPACK® RoHS and “Green” compliant

■ AEC-Q100 qualification

Applications

■ In-dash car navigation

■ Telematics, e-Tolling

■ Motion control with MMI (man-machine

interface)

■ Appliances and robotics

Description

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.

LGA-16 (4x4x1.1 mm3)

Table 1.

Device summary

Order code

Temperature range (°C)

Package

Packing

A3G4250D

-40 to +85

LGA-16 (4x4x1.1 mm3)Tray

A3G4250DTR

-40 to +85

LGA-16 (4x4x1.1 mm3)

Tape and reel

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