ADXRS624 Analog Devices, ADXRS624 Datasheet

ADXRS624

Manufacturer Part Number

ADXRS624

Description

+-50 /sec Yaw Rate Gyro

Manufacturer

Analog Devices

Datasheet

1.ADXRS624.pdf (12 pages)

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FEATURES

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

Qualified for automotive applications

APPLICATIONS

Navigation systems

Inertial measurement units

Platform stabilization

Robotics

Rev. 0

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

Figure 1. ADXRS624 Block Diagram

CHARGE PUMP

AND VOLTAGE

REGULATOR

ST2

MECHANICAL

SELF-TEST

SENSOR

ST1

22nF

AT 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

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 used for high reliability automotive

airbag accelerometers.

The output signal, RATEOUT (1B, 2A), is a voltage 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. A single external resistor between SUMJ and

RATEOUT can be used to lower the scale factor. 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

conditioning circuits. The ADXRS624 is available in a 7 mm ×

7 mm × 3 mm BGA chip scale package.

he ADXRS624 is a complete angular rate sensor (gyroscope)

OUT

25kΩ

RATIO

(ADC REF)

200kΩ ±5%

RATEOUT

+5V

VGA

ADXRS624

100nF

DEMOD

±50°/s Yaw Rate Gyro

www.DataSheet4U.com

ADXRS624

www.analog.com

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