ADXL202AQC

更新时间： 2024-11-10 22:05:23

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
11页	128K
描述
Low Cost +-2 g/+-10 g Dual Axis iMEMS Accelerometers with Digital Output

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ADXL202AQC 数据手册

Low Cost ؎2 g/؎10 g Dual Axis

iMEMS^®Accelerometers

with Digital Output

ADXL202/ADXL210

GENERAL DESCRIPTION

FEATURES

The ADXL202/ADXL210 are low cost, low power, complete

2-axis accelerometers with a measurement range of either

±2 g/±10 g. The ADXL202/ADXL210 can measure both dy-

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

gravity).

2-Axis Acceleration Sensor on a Single IC Chip

Measures Static Acceleration as Well as Dynamic

Acceleration

Duty Cycle Output with User Adjustable Period

Low Power <0.6 mA

Faster Response than Electrolytic, Mercury or Thermal

Tilt Sensors

Bandwidth Adjustment with a Single Capacitor Per Axis

5 mg Resolution at 60 Hz Bandwidth

+3 V to +5.25 V Single Supply Operation

1000 g Shock Survival

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

width to period) are proportional to the acceleration in each of

the 2 sensitive axes. These outputs may be measured directly

with a microprocessor counter, requiring no A/D converter or

glue logic. The output period is adjustable from 0.5 ms to 10 ms

via a single resistor (R_SET). If a voltage output is desired, a

voltage output proportional to acceleration is available from the

X_FILTand Y_FILTpins, or may be reconstructed by filtering the

duty cycle outputs.

APPLICATIONS

2-Axis Tilt Sensing

Computer Peripherals

Inertial Navigation

Seismic Monitoring

The bandwidth of the ADXL202/ADXL210 may be set from

0.01 Hz to 5 kHz via capacitors C_Xand C_Y. The typical noise

floor is 500 µg/√Hz allowing signals below 5 mg to be resolved

for bandwidths below 60 Hz.

Vehicle Security Systems

Battery Powered Motion Sensing

The ADXL202/ADXL210 is available in a hermetic 14-lead

Surface Mount CERPAK, specified over the 0°C to +70°C

commercial or –40°C to +85°C industrial temperature range.

FUNCTIONAL BLOCK DIAGRAM

+3.0V TO +5.25V

SELF TEST

FILT

ADXL202/

ADXL210

X SENSOR

FILT

32k⍀

X OUT

DEMOD

DUTY

CYCLE

MODULATOR

(DCM)

␮P

OSCILLATOR

Y SENSOR

FILT

32k⍀

Y OUT

FILT

COM

SET

A(g) = (T1/T2 – 0.5)/12.5%

0g = 50% DUTY CYCLE

T2 = R

/125M⍀

SET

MEMS is a registered trademark of Analog Devices, Inc.

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

which may result from its use. No license is granted by implication or

otherwise under any patent or patent rights of Analog Devices.

A_IN2 =

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

Tel: 781/329-4700

Fax: 781/326-8703

World Wide Web Site: http://www.analog.com

12 3 4 5 6 7...11

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与ADXL202AQC相关器件

型号	品牌	获取价格	描述	数据表
ADXL202E	ADI	获取价格	Low-Cost +-2 g Dual-Axis Accelerometer with Duty Cycle Output
ADXL202EB	ADI	获取价格	Dual Axis Accelerometer Evaluation Board
ADXL202EB-232	ETC	获取价格	ADXL ACCEL EVAL BOARD
ADXL202JE	ADI	获取价格	Low-Cost +-2 g Dual-Axis Accelerometer with Duty Cycle Output
ADXL202JQC	ADI	获取价格	Low Cost +-2 g/+-10 g Dual Axis iMEMS Accelerometers with Digital Output
ADXL203	ADI	获取价格	Precision 【1.7 g Single/Dual Axis Acceleromet
ADXL203CE	ADI	获取价格	Precision 1.7g, -1.7g, 5g, -5g, 18g, -18g Single-/ Dual-Axis iMEMS Accelerometer
ADXL203CE1	ADI	获取价格	Precision 【1.7 g Single/Dual Axis Acceleromet
ADXL203CE-REEL	ADI	获取价格	Precision 1.7g, -1.7g, 5g, -5g, 18g, -18g Single-/ Dual-Axis iMEMS Accelerometer
ADXL203CE-REEL1	ADI	获取价格	Precision 【1.7 g Single/Dual Axis Acceleromet

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