ADXRS401EB

更新时间： 2024-11-06 03:17:55

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	308K
描述
+-75/s Single Chip Yaw Rate Gyro with Signal Conditioning

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ADXRS401EB 数据手册

± ±75°/s SinglsꢀCSꢁsꢂYasꢃYꢄls

GyrosaSꢄCs SniYgsꢀoidSꢄSoiSin

ADXꢃ 401

FEATURES

GENERAL DESCRIPTION

Complete rate gyroscope on a single chip

Z-axis (yaw-rate) response

High vibration rejection over wide frequency

2000 g powered shock survivability

Self-test on digital command

The ADXRS401 is a functionally complete and low cost angular

rate sensor (gyroscope), integrated with all of the required

electronics on one chip. It is manufactured using Analog

Devices’ surface-micromachining technique, the same high

volume BIMOS process used for high reliability automotive

airbag accelerometers. It is available in a 7 mm × 7 mm × 3 mm

BGA surface-mount package.

Temperature sensor output

Precision voltage reference output

Absolute rate output for precision applications

5 V single-supply operation

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

to angular rate about the axis normal to the top surface of the

package (see Figure 2). A single external resistor can be used to

lower the scale factor. An external capacitor is used to set the

bandwidth. Other external capacitors are required for operation

(see Figure 1).

Ultra small and light (< 0.15 cc, < 0.5 gram)

APPLICATIONS

GPS navigation systems

Image stabilization

Inertial measurement units

Platform stabilization

A precision reference and a temperature output are also

provided for compensation techniques. Two digital self-test

inputs electromechanically excite the sensor to test proper

operation of both sensors and the signal conditioning circuits.

FUNCTIONAL BLOCK DIAGRAM

–

100nF

OUT

100nF

AGND

SUMJ

CMID

AVCC

ST1

ST2

SELF

TEST

OUT

CORIOLIS SIGNAL CHANNEL

SEN

180kΩ 1%

SEN

DEMOD

RATE

SENSOR

≈9kΩ ±35% ≈9kΩ ±35%

RATEOUT

RESONATOR LOOP

2.5V REF

1E 2.5V

PTAT

TEMP

12V

CHARGE PUMP/REG.

PDD

CP3

CP5

CP2

PGND

100nF

CP4

CP1

22nF

1µF

ADXRS401

22nF

Figure 1.

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.

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

Tel: 781.329.4700

Fax: 781.326.8703

www.analog.com

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