Datasheet > AIS2DW12

AIS2DW12

更新时间： 2024-12-01 14:57:51

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		传感器
页数	文件大小	规格书
60页	1456K
描述
MEMS数字输出运动传感器：超低功耗3轴加速度计，用于汽车应用

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AIS2DW12 数据手册

AIS2DW12

MEMS digital output motion sensor:

ultra-low-power 3-axis accelerometer for automotive applications

Datasheet - production data

Description

The AIS2DW12 is an ultra-low-power three-axis

linear accelerometer which leverages on the

robust and mature manufacturing processes

already used for the production of micromachined

accelerometers and designed to address non-

safety automotive applications.

LGA-12 (2x2x0.93 mm³)

The AIS2DW12 has four different ultra-low-power

modes, two user-selectable full scales (2g/4g)

and is capable of measuring accelerations with

output data rates from 1.6 Hz to 100 Hz.

Features

 AEC-Q100 qualified

The AIS2DW12 has an integrated 32-level first-in,

first-out (FIFO) buffer allowing the user to store

data in order to limit intervention by the host

processor.

 Supply voltage, 1.62 V to 3.6 V

 Independent IO supply and supply voltage

compatible

The embedded self-test capability allows the user

to check the functioning of the sensor in the final

application.

 Ultra-low-power mode consumption down to

380 nA @1.6 Hz

 ±2g/±4g dynamically selectable full scales

 High-speed I²C/SPI digital output interface

 2 independent programmable interrupts

 Single data conversion on demand

 16-bit data output

The AIS2DW12 has a dedicated internal engine

to process motion and acceleration detection

including free-fall, motion and no-motion, wakeup,

activity/inactivity and 6D/4D orientation.

The AIS2DW12 is available in a small thin plastic

land grid array package (LGA) and it is

guaranteed to operate over an extended

temperature range from -40 °C to +85 °C.

 Embedded temperature sensor

 Self-test

 32-level embedded FIFO

Table 1. Device summary

Temp. range

 10000 g high shock survivability

 ECOPACK, RoHS and “Green” compliant

Order codes

Package Packaging

[°C]

Applications

AIS2DW12

-40 to +85

LGA-12

Tray

Tape and

reel

 Car key applications

AIS2DW12TR

-40 to +85

 Inclination / orientation detection

 Motion-activated functions

 Gesture recognition

 Free-fall detection

 Smart power saving

June 2019

DocID031240 Rev 4

1/60

This is information on a product in full production.

www.st.com

12 3 4 5 6 7...60

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