AD22285-R2

更新时间： 2024-11-10 21:54:51

品牌	Logo	应用领域
亚德诺 - ADI		模拟IC 信号电路
页数	文件大小	规格书
12页	202K
描述
Dual-Axis, High-g, MEMS Accelerometers

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替代型号

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AD22285-R2 数据手册

Dual-Axis, High-g,

iMEMS^®Accelerometers

ADXL278

FEATURES

GENERAL DESCRIPTION

Complete dual-axis acceleration measurement system on

a single monolithic IC

Available in 35 g/ 35 g, 50 g/ 50 g, or 70 g/ 35 g

output full-scale ranges

Full differential sensor and circuitry for high resistance

to EMI/RFI

Environmentally robust packaging

Complete mechanical and electrical self-test on

digital command

The ADXL278 is a low power, complete, dual-axis

accelerometer with signal conditioned voltage outputs that are

on a single monolithic IC. This product measures acceleration

with a full-scale range of (X-axis/Y-axis) ±±3 g/±±3 g, ±35 g/

±35 g, or ±75 g/±±3 g (minimum). The ADXL278 can also

measure both dynamic acceleration (vibration) and static

acceleration (gravity).

The ADXL278 is the fourth-generation surface micromachined

iMEMS® accelerometer from ADI with enhanced performance

and lower cost. Designed for use in front and side impact airbag

applications, this product also provides a complete cost-

Output ratiometric to supply

Sensitive axes in the plane of the chip

High linearity (0.2% of full scale)

Frequency response down to dc

Low noise

effective solution useful for a wide variety of other applications.

The ADXL278 is temperature stable and accurate over the

automotive temperature range, with a self-test feature that fully

exercises all the mechanical and electrical elements of the sensor

with a digital signal applied to a single pin.

Low power consumption

Tight sensitivity tolerance and 0 g offset capability

Largest available prefilter clipping headroom

400 Hz, 2-pole Bessel filter

Single-supply operation

Compatible with Sn/Pb and Pb-free solder processes

The ADXL278 is available in a 3 mm × 3 mm × 2 mm,

8-terminal ceramic LCC package.

APPLICATIONS

Vibration monitoring and control

Vehicle collision sensing

Shock detection

FUNCTIONAL BLOCK DIAGRAM

ADXL278

400Hz

BESSEL

FILTER

DIFFERENTIAL

SENSOR

DEMOD

AMP

EXC

OUT

TIMING

GENERATOR

DD2

DD3

400Hz

BESSEL

FILTER

DIFFERENTIAL

SENSOR

DEMOD

AMP

EXC

OUT

SELF-TEST

Figure 1.

Rev. A

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: 781.461.3113

www.analog.com

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AD22285-R2 替代型号

型号	品牌	替代类型	描述	数据表
AD22285	ADI	完全替代	Dual-Axis, High-g, MEMS Accelerometers

与AD22285-R2相关器件

型号	品牌	获取价格	描述	数据表
AD22286	ADI	获取价格	Dual-Axis, High-g, MEMS Accelerometers
AD22286-R2	ADI	获取价格	Dual-Axis, High-g, MEMS Accelerometers
AD22293Z	ADI	获取价格	Precision Â±1.7 g, Â±5 g, Â±18 g Single-/ Dua
AD22293ZA	ADI	获取价格	Precision 1.7g, -1.7g, 5g, -5g, 18g, -18g Single-/ Dual-Axis iMEMS Accelerometer
AD22293Z-RL	ADI	获取价格	Precision ±1.7 g, ±5 g, ±18 g Dual-Axis iMEMS
AD22300	ADI	获取价格	Single-Axis, High-g, iMEMS® Accelerometers
AD22301	ADI	获取价格	Single-Axis, High-g, iMEMS ccelerometers
AD22302	ADI	获取价格	Small, Low Power, Dual Axis High-g iMEMS® Accelerometer With Analog Output
AD22304	ADI	获取价格	【80∑/s Single Chip Yaw Rate Gyro with Signal
AD22304-REEL	ADI	获取价格	IC,ACCELERATION DETECTOR,BGA,32PIN,PLASTIC

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