ADXRS453 Analog Devices, ADXRS453 Datasheet

ADXRS453

Manufacturer Part Number

ADXRS453

Description

High Performance / Digital Output Gyroscope

Manufacturer

Analog Devices

Datasheet

1.ADXRS453.pdf (32 pages)

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FEATURES

Complete rate gyroscope on a single chip

±300°/sec angular rate sensing

Ultrahigh vibration rejection: 0.01°/sec/g

Excellent 16°/hour null bias stability

Internal temperature compensation

2000 g powered shock survivability

SPI digital output with 16-bit data-word

Low noise and low power

3.3 V to 5 V operation

−40°C to +105°C operation

Ultrasmall, light, and RoHS compliant

Two package options

APPLICATIONS

Rotation sensing in high vibration environments

Rotation sensing for industrial and instrumentation

High performance platform stabilization

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.

Low cost SOIC_CAV package for yaw rate (z-axis) response

Innovative ceramic vertical mount package (LCC_V), which

applications

can be oriented for pitch, roll, or yaw response

Z-AXIS ANGULAR

RATE SENSOR

HIGH VOLTAGE

GENERATION

CP5

BAND-PASS

HV DRIVE

LOCKED

PHASE-

FILTER

LOOP

Q DAQ

P DAQ

AMPLITUDE

DIVIDER

DETECT

CLOCK

12-BIT

ADC

FUNCTIONAL BLOCK DIAGRAM

SELF-TEST

CONTROL

Q FILTER

DEMOD

ADXRS453

Figure 1.

TEMPERATURE

ARITHMETIC

CALIBRATION

LOGIC UNIT

DECIMATION

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

Tel: 781.329.4700

Fax: 781.461.3113

DETECTION

GENERAL DESCRIPTION

The

for industrial, instrumentation, and stabilization applications in

high vibration environments. An advanced, differential, quad

sensor design rejects the influence of linear acceleration, enabling

the ADXRS453 to offer high accuracy rate sensing in harsh envi-

ronments where shock and vibration are present.

The ADXRS453 uses an internal, continuous self-test architec-

ture. The integrity of the electromechanical system is checked by

applying a high frequency electrostatic force to the sense structure

to generate a rate signal that can be differentiated from the base-

band rate data and internally analyzed.

The ADXRS453 is capable of sensing an angular rate of up to

±300°/sec. Angular rate data is presented as a 16-bit word that

is part of a 32-bit SPI message.

The ADXRS453 is available in a 16-lead plastic cavity SOIC

(SOIC_CAV) and an SMT-compatible vertical mount package

(LCC_V), and is capable of operating across a wide voltage

range (3.3 V to 5 V).

FILTER

EEPROM

FAULT

ADXRS453

Digital Output Gyroscope

is an angular rate sensor (gyroscope) intended

High Performance,

REGULATOR

INTERFACE

LDO

SPI

ADXRS453

MOSI

MISO

SCLK

www.analog.com

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