Datasheet > ADXL151

ADXL151

更新时间： 2024-11-12 14:58:11

品牌	Logo	应用领域
亚德诺 - ADI		传感器
页数	文件大小	规格书
2页	87K
描述
低成本、单轴、PS15-兼容型卫星传感器

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中文翻译

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ADXL151 数据手册

Low Cost, Single Axis,

PSI5-Compatible Satellite Sensor

Data Sheet

ADXL151

FEATURES

GENERAL DESCRIPTION

User configurable sensor range

The ADXL151 is a g range configurable single axis integrated

satellite sensor, compliant to the PSI5 V2.1 specification. The

ADXL151 enables low cost solutions for front and side impact

airbag satellite sensor applications. Acceleration data is sent to

the control module via a digital 2-wire current loop interface bus.

120 g, 240 g, and 480 g

PSI5 communication protocol, V2.1 compliant

Asynchronous operation—PSI5-A10P-250[228]/1L

Synchronous operation—PSI5-P10P-500/3L and others

Daisy-chain operation with bidirectional communication

Backwards compliant with PSI5 V1.3

Selectable 10- or 16-bit sensor data

High accuracy interpolation routine

User-selectable, continuous auto-zero operation

Electromechanical sensor self-test

The g range of the sensor is configurable to provide full-scale

acceleration measurements of 120 g, 240 g, or 480 g.

Additionally, the device can be configured to transmit data

from multiple g ranges during predefined time slots, in

accordance with the PSI5 specification. The device transmits

10- or 16-bit acceleration data to the control module, and can

be configured to include either a 1-bit parity check, or a 3-bit

cyclic redundancy check (CRC). The ADXL151 has a unique

electronic serial number.

High resistance to electromagnetic interference (EMI)/

radio frequency interference (RFI)

4.5 V to 16.5 V operation

Electronic serial number

The ADXL151 is available in a 12-lead, 4 mm × 4 mm LFCSP

package. The device is specified to operate over the full

automotive temperature range, from −40°C to +125°C.

Qualified for automotive applications

APPLICATIONS

Front impact crash sensing

Side impact crash sensing

FUNCTIONAL BLOCK DIAGRAM

SENSOR ANALOG FRONT END (SAFE)

DIGITAL SIGNAL PROCESSING

COMMUNICATIONS INTERFACE

SPI

MOSI

MISO

SCLK

g RANGE

SPI

PHY

DLL

SERIAL

BEAM 1 BEAM 2

OFFSET/

OUTPUT

DATA

DIGITAL

FILTER

AUTO-

ZERO

PORT

SENSITIVITY

CALIBRATION

PSI5

DLL

Σ-Δ MOD

DEMOD

I_DATA

V_BP

AMP

PSI5

PHY

V_DD

REG

OFFSET

OVER-

OFFSET

OVR

V_REG

V_DD

V_BN

X-AXIS,

SINGLE AXIS

DIFFERENTIAL

RANGE

ERROR

FLAG

OTP NVM

SENSOR

DRIVERS

SELF-

TEST

(SN, CAL, CONFIG)

SENSOR DIE

SELF-

TEST

CHECK

SELF-

TEST

ERROR

FLAG

SHADOW RAM

POR

MASTER

STATE

MACHINE

V_DDMONITOR

TEST MUX

CLOCK

TEST REGISTERS

ERROR HANDLER

TP1

DCC/TP2

TIMING

GENERATOR

STATE

MACHINE

Figure 1.

For more information about the ADXL151, contact the Analog Devices, Inc., Customer Interaction Center at

http://www.analog.com/technical_support to connect with a technical support specialist.

Rev. SpA

Document Feedback

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

rightsof third parties that may result fromits 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 andregisteredtrademarks 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

Technical Support

www.analog.com

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与ADXL151相关器件

型号	品牌	获取价格	描述	数据表
ADXL152	ADI	获取价格	低成本单轴 PSI5 兼容卫星传感器
ADXL180	ADI	获取价格	Configurable, High g, iMEMS Accelerometer
ADXL180DCZ	ADI	获取价格	Analog Circuit
ADXL180WCPZA-RL	ADI	获取价格	Configurable, High-g, iMEMS® Accelerometer
ADXL180WCPZ-RL	ADI	获取价格	SPECIALTY ANALOG CIRCUIT, QCC16, 5 X 5 MM, ROHS COMPLIANT, LFCSP-16
ADXL180WCPZ-RL1	ADI	获取价格	Configurable, High g, iMEMS Accelerometer
ADXL185B	ADI	获取价格	低成本、单Z轴PSI5-兼容型卫星传感器
ADXL189B	ADI	获取价格	低成本、单X轴PSI5-兼容型卫星传感器
ADXL190	ADI	获取价格	Low Cost +-100 gSingle Axis Accelerometer with Analog Output
ADXL190*	ADI	获取价格	Low Cost 6100 gSingle Axis Accelerometer with Analog Output

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