ADXL250AQC

更新时间： 2024-09-28 22:07:03

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
15页	344K
描述
+-5 g to +-50 g, Low Noise, Low Power, Single/Dual Axis iMEMS Accelerometers

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ADXL250AQC 数据手册

؎5 g to ؎50 g, Low Noise, Low Power,

Single/Dual Axis i^MEMS Accelerometers

ADXL150/ADXL250

FUNCTIONAL BLOCK DIAGRAMS

FEATURES

Complete Acceleration Measurement System

on a Single Monolithic IC

(DO NOT CONNECT)

80 dB Dynamic Range

ADXL150

Pin Programmable ؎50 g or ؎25 g Full Scale

Low Noise: 1 mg/√Hz Typical

Low Power: <2 mA per Axis

Supply Voltages as Low as 4 V

2-Pole Filter On-Chip

5k⍀

0.1␮F

GAIN

AMP

OUT

SENSOR

DEMODULATOR

25k⍀

BUFFER

AMP

CLOCK

Ratiometric Operation

COM

SELF-TEST

Complete Mechanical & Electrical Self-Test

Dual & Single Axis Versions Available

Surface Mount Package

OFFSET

NULL

X OFFSET

NULL

(DO NOT CONNECT)

BUFFER

AMP

ADXL250

25k⍀

GAIN

AMP

OUT

0.1␮F

DEMODULATOR

SENSOR

GENERAL DESCRIPTION

5k⍀

The ADXL150 and ADXL250 are third generation ±50 g sur-

face micromachined accelerometers. These improved replace-

ments for the ADXL50 offer lower noise, wider dynamic range,

reduced power consumption and improved zero g bias drift.

CLOCK

5k⍀

GAIN

AMP

OUT

SENSOR

DEMODULATOR

25k⍀

BUFFER

AMP

The ADXL150 is a single axis product; the ADXL250 is a fully

integrated dual axis accelerometer with signal conditioning on a

single monolithic IC, the first of its kind available on the com-

mercial market. The two sensitive axes of the ADXL250 are

orthogonal (90°) to each other. Both devices have their sensitive

axes in the same plane as the silicon chip.

COM

Y OFFSET

NULL

SELF-TEST

ratiometric to the power supply, eliminating the need for a volt-

age reference when driving ratiometric A/D converters such as

those found in most microprocessors. A power supply bypass

capacitor is the only external component needed for normal

operation.

The ADXL150/ADXL250 offer lower noise and improved

signal-to-noise ratio over the ADXL50. Typical S/N is 80 dB,

allowing resolution of signals as low as 10 mg, yet still providing

a ±50 g full-scale range. Device scale factor can be increased

from 38 mV/g to 76 mV/g by connecting a jumper between

V_OUTand the offset null pin. Zero g drift has been reduced to

0.4 g over the industrial temperature range, a 10× improvement

over the ADXL50. Power consumption is a modest 1.8 mA

per axis. The scale factor and zero g output level are both

The ADXL150/ADXL250 are available in a hermetic 14-lead

surface mount cerpac package specified over the 0°C to +70°C

commercial and –40°C to +85°C industrial temperature ranges.

Contact factory for availability of devices specified over automo-

tive and military temperature ranges.

MEMS is a registered trademark of Analog Devices, Inc.

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

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

otherwise under any patent or patent rights of Analog Devices.

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

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与ADXL250AQC相关器件

型号	品牌	获取价格	描述	数据表
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
ADXL269QC55	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, CDSO14, CERAMIC, SMT-14, Analog IC:Other
ADXL276QC	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, CDSO14, CERAMIC, SMT-14, Analog IC:Other
ADXL276QC38	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, CDSO14, CERAMIC, SMT-14, Analog IC:Other
ADXL276QC38-1	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, CDSO14, CERAMIC, SMT-14, Analog IC:Other
ADXL276QC55	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, CDSO14, CERAMIC, SMT-14, Analog IC:Other
ADXL276QC55-1	ADI	获取价格	IC SPECIALTY ANALOG CIRCUIT, CDSO14, CERAMIC, SMT-14, Analog IC:Other
ADXL278	ADI	获取价格	Dual-Axis, High-g, MEMS Accelerometers

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