Datasheet > EVAL-ADXL363Z-S

EVAL-ADXL363Z-S

更新时间： 2024-11-25 01:13:19

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
48页	1089K
描述
Micropower 3-Sensor Combination Including Acceleration and Temperature

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EVAL-ADXL363Z-S 数据手册

Micropower 3-Sensor Combination

Including Acceleration and Temperature

Data Sheet

ADXL363

FEATURES

GENERAL DESCRIPTION

Accelerometer, temperature sensor, and provision for 3^rd

analog sensor input

All sensors sampled synchronously

Up to 400 Hz output data rate (ODR)

Samples can be synchronized to external trigger

Ultralow power

The ADXL363 is an ultralow power, three-sensor combination

consisting of a 3-axis MEMS accelerometer, a temperature sensor,

and an on-board ADC input for synchronous conversion of an

external signal. The entire system consumes less than 2 µA at a

100 Hz output data rate and 270 nA when in motion triggered

wake-up mode.

1.95 µA at 100 Hz ODR, 2.0 V supply, all sensors on

270 nA at 6 Hz motion activated wake-up mode

10 nA standby current

The ADXL363 communicates via a serial port interface (SPI)

and always provides 12-bit output resolution for all three

sensors.

12-bit resolution for all sensors

The ADXL363 accelerometer provides selectable measurement

ranges of 2 g, 4 g, and 8 g, with a resolution of 1 mg/LSB on

the 2 g range. Unlike accelerometers that use power duty

cycling to achieve low power consumption, the ADXL363 does

not alias input signals by undersampling; it samples the full

bandwidth of the sensor at all data rates.

Acceleration scale factor down to 1 mg/LSB

Temperature scale factor: 0.065°C/LSB (average)

Built-in features for motion-based system level power savings

Adjustable threshold sleep/wake modes for motion

activation

Autonomous interrupt processing, without need for

microcontroller intervention, to allow the rest of the

system to be turned off completely

Deep embedded FIFO minimizes host processor load

Awake state output enables implementation of

standalone, motion activated switch

Wide supply and I/O voltage ranges: 1.6 V to 3.5 V

Operates off 1.8 V to 3.3 V rails

The ADXL363 temperature sensor operates with a scale factor

of 0.065°C (typical). Acceleration and temperature data can be

stored in a 512-sample multimode FIFO buffer, allowing up to

13 sec of data to be stored.

In addition to the accelerometer and temperature sensor, the

ADXL363 also provides access to an internal ADC for

synchronous conversion of an additional analog input.

Power can be derived from coin cell battery

SPI digital interface

Small and thin 3 mm × 3.25 mm × 1.06 mm package

The ADXL363 operates on a wide 1.6 V to 3.5 V supply range,

and can interface, if necessary, to a host operating on a separate,

lower supply voltage. The ADXL363 is available in a 3 mm ×

3.25 mm × 1.06 mm package.

APPLICATIONS

Home healthcare devices

Wireless sensors

Motion enabled metering devices

FUNCTIONAL BLOCK DIAGRAM

DD I/O

INT1

INT2

3-AXIS

MEMS

SENSOR

DIGITAL

FIFO

AND

12-BIT

ADC

MOSI

MISO

SPI

AXIS

DEMODULATORS

ANTIALIASING

FILTERS

SCLK

TEMPERATURE

SENSOR

ADXL363

GND

ADC_IN

Figure 1.

Rev. 0

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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