Datasheet > ADXL213

ADXL213

更新时间： 2024-09-28 21:54:39

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
12页	442K
描述
Low Cost 1.2 g Dual Axis Accelerometer

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ADXL213 数据手册

Low Cost ± ±1. g Dual

Axis Accelerometer

ADXL.±3

FEATURES

GENERAL DESCRIPTION

Dual axis accelerometer on a single IC chip

5 mm × 5 mm × 2 mm LCC package

1 mg resolution at 60 Hz

Low power: 700 µA at V_S= 5 V (typical)

High zero g bias stability

The ADXL213 is a low cost, low power, complete dual axis

accelerometer with signal conditioned, duty cycle modulated

outputs, all on a single monolithic IC. The ADXL213 measures

acceleration with a full-scale range of 1.2 g (typical). The

ADXL213 can measure both dynamic acceleration (e.g.,

vibration) and static acceleration (e.g., gravity).

High sensitivity accuracy

Pulse width modulated digital outputs

X and Y axes aligned to within 0.1° (typical)

BW adjustment with a single capacitor

Single-supply operation

The outputs are digital signals whose duty cycles (ratio of pulse

width to period) are proportional to acceleration (30%/g). The

duty cycle outputs can be directly measured by a microcontrol-

ler without an A/D converter or glue logic.

3500 g shock survival

Innovative design techniques are used to ensure high zero g bias

stability (typically better than 0.25 mg/°C), as well as tight sensi-

tivity stability (typically better than 50 ppm/°C).

APPLICATIONS

Automotive tilt alarms

Data projectors

Navigation

The typical noise floor is 160 µg/√ , allowing signals below

1 mg (0.06° of inclination) to be resolved in tilt sensing applica-

tions using narrow bandwidths (<60 Hz).

Platform stabilization/leveling

Alarms and motion detectors

High accuracy, 2-axis tilt sensing

The user selects the bandwidth of the accelerometer using

capacitors C_Xand C_Yat the X_FILTand Y_FILTpins. Bandwidths of

0.5 Hz to 250 Hz may be selected to suit the application.

The ADXL213 is available in a 5 mm × 5 mm × 2 mm, 8-pad

hermetic LCC package.

FUNCTIONAL BLOCK DIAGRAM

FILT

ADXL213

32kΩ

OUTPUT

AMP

OUT

AMP

DEMOD

DCM

OUTPUT

AMP

SENSOR

COM

FILT

SET

A(g) = (T1/T2 – 0.5)/30%

0g = 50% DUTY CYCLE

T2(s) = R

/125MΩ

SET

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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与ADXL213相关器件

型号	品牌	获取价格	描述	数据表
ADXL213AE	ADI	获取价格	Low Cost 1.2 g Dual Axis Accelerometer
ADXL213AE-REEL	ADI	获取价格	Low Cost 1.2 g Dual Axis Accelerometer
ADXL213EB	ADI	获取价格	Low Cost 1.2 g Dual Axis Accelerometer
ADXL213WAEZA	ADI	获取价格	SPECIALTY ANALOG CIRCUIT, CQCC8, 5 X 5 MM, 2 MM HEIGHT, ROHS COMPLIANT, HERMETIC SEALED, C
ADXL213WAEZA-REEL	ROCHESTER	获取价格	SPECIALTY ANALOG CIRCUIT, CQCC8, 5 X 5 MM, 2 MM HEIGHT, ROHS COMPLIANT, HERMETIC SEALED, C
ADXL250	ADI	获取价格	+-5 g to +-50 g, Low Noise, Low Power, Single/Dual Axis iMEMS Accelerometers
ADXL250AQC	ADI	获取价格	+-5 g to +-50 g, Low Noise, Low Power, Single/Dual Axis iMEMS Accelerometers
ADXL250JQC	ADI	获取价格	+-5 g to +-50 g, Low Noise, Low Power, Single/Dual Axis iMEMS Accelerometers
ADXL251	ADI	获取价格	60 g 到 480 g 双轴 SPI 和 PSI5 传感器
ADXL269QC38	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, CDSO14, CERAMIC, SMT-14, Analog IC:Other

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