AIS1200PSTR datasheet(1/21 Pages) STMICROELECTRONICS

номер детали	AIS1200PSTR

подробное описание детали	MEMS acceleration sensor: single-axis with PSI5 point-to-point interface

PDF	21 Pages

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производитель	STMICROELECTRONICS [STMicroelectronics]

домашняя страница	http://www.st.com

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This is information on a product in full production.

December 2015

DocID024648 Rev 4

1/21

21

AIS1200PS

MEMS acceleration sensor:

single-axis with PSI5 point-to-point interface

Datasheet

- production data

Features

 5 V to 16 V single supply operation

 10-bit data output

 Embedded voltage regulator

 Embedded self-test

 Asynchronous 2 wire connectivity

 PSI5-A10P v1.3 compliant

 Error detection: single bit even parity

 Automotive AEC-Q100 qualified

 ECOPACK® compliant

 Extended temperature range: -40 °C to

+125 °C

Applications

 Airbag systems

 Vibration, impact monitoring

Description

The AIS1200PS is a peripheral acceleration

sensor with a single-axis sensing element and an

IC interface able to provide acceleration

information to a master control unit through a

Manchester-coded protocol (125 kbps).

The sensing element, capable of detecting the

acceleration, is manufactured using a dedicated

process developed by ST to produce inertial

sensors and actuators in silicon.

The IC interface is manufactured using a BCD

process that allows a high level of integration. The

device is factory trimmed to better tune the

sensing element characteristics with the

acceleration information to be supplied.

The AIS1200PS has a full scale of

200 g. The

acquisition chain is made up of a C/V converter, a

full-differential charge amplifier, a 2nd order LPF

with a cutoff frequency of 175 Hz, and a second

charge amplifier to adapt the dynamic range to an

SAR A/D converter.

The differential capacitance of the sensor is

proportional to the proof mass displacement;

thus, by sensing the differential capacitance, the

position of the sensor is determined. Then, since

the mass position is known and the position is

related to the input acceleration, the input

acceleration can be easily deduced.

The device is available in a plastic SOIC package

with 150 mils reverse frame forming for EMC

enhancement and is specified over a temperature

range extending from -40 °C to +125 °C.

Table 1. Device summary

Order code

g-range

Operating temperature

range [

C]

Package

Packing

AIS1200PSTR

200 g

-40 to +125

SOIC 16N

Tape and reel

www.st.com

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Аналогичное описание - AIS1200PSTR

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Micross Components	HMC521	883Kb / 9P	Point-to-Point and Point-to-Multi-Point Radio
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AIS1200PSTR датащи(PDF) 1 Page - STMicroelectronics

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