ADXRS620WBBGZA Analog Devices Inc, ADXRS620WBBGZA Datasheet

ADXRS620WBBGZA

Manufacturer Part Number

ADXRS620WBBGZA

Description

Rollover Detection Gyro +/- 300

Manufacturer

Analog Devices Inc

Datasheets

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FEATURES

Qualified for automotive applications

Complete rate gyroscope on a single chip

Z-axis (yaw rate) response

High vibration rejection over wide frequency

2000 g powered shock survivability

Ratiometric to referenced supply

5 V single-supply operation

105°C operation

Self-test on digital command

Ultrasmall and light (<0.15 cc, <0.5 gram)

Temperature sensor output

RoHS compliant

APPLICATIONS

Vehicle chassis rollover sensing

Inertial measurement units

Platform stabilization

Rev. B

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 infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

100nF

+5V

AGND

PGND

CP1 CP2 CP3 CP4 CP5

DRIVE

FUNCTIONAL BLOCK DIAGRAM

AMP

22nF

CHARGE PUMP

AND VOLTAGE

REGULATOR

ST2

MECHANICAL

SELF-TEST

SENSOR

ST1

22nF

Figure 1.

@ 25°C

100nF

SUMJ

25kΩ

TEMP

AMP

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Fax: 781.461.3113

GENERAL DESCRIPTION

The ADXRS620 is a complete angular rate sensor (gyroscope)

that uses the Analog Devices, Inc., surface-micromachining

process to create a functionally complete and low cost angular

rate sensor integrated with all required electronics on one chip.

The manufacturing technique for this device is the same high

volume BiMOS process that is used for high reliability automotive

airbag accelerometers.

The ADXRS620 is an automotive grade gyroscope that is 100%

pin, package, temperature, and function compatible to the

available industrial grade ADXRS652 gyro. Automotive grade

gyroscopes have more extensive guaranteed minimum/maximum

specifications due to automotive testing.

The output signal, RATEOUT (1B, 2A), is a voltage that is

proportional to angular rate about the axis normal to the top

surface of the package. The output is ratiometric with respect

to a provided reference supply. An external capacitor sets the

bandwidth. Other external capacitors are required for operation.

A temperature output is provided for compensation techniques.

Two digital self-test inputs electromechanically excite the sensor

to test proper operation of both the sensor and the signal condi-

tioning circuits. The ADXRS620 is available in a 7 mm × 7 mm ×

3 mm BGA ceramic package.

OUT

25kΩ

RATIO

(ADC REF)

180kΩ ±1%

RATEOUT

+5V

VGA

±300°/sec Yaw Rate Gyro

ADXRS620

100nF

DEMOD

ADXRS620

www.analog.com

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