AIS1120SX

Active

Automotive MEMS accelerometer sensor, single-axis for central airbag applications, AEC-Q100 qualified

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  • The AIS1120SX / AIS2120SX is a central acceleration sensor with a single or dual-axis sensing element and an IC interface able to provide acceleration information to a master control unit via an SPI protocol.

    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 characteristics of the sensing element with the acceleration information to be supplied.
    The AIS1120SX / AIS2120SX has a full scale of ±120 g. The acquisition chain consists of a C/V converter, a full-differential charge amplifier, a 2nd order SD analog-to-digital converter and a digital core, which includes filtering, compensation and interpolation, control logic and SPI protocol generation.
    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 SOIC8 package and is guaranteed to operate over a temperature range extending from -40 °C to +105 °C.

    Key Features

    • AEC-Q100 qualified
    • 3.3 V single supply operation
    • 14-bit data output
    • ±120 g full scale
    • Slow and fast offset cancellation
    • Embedded self-test
    • Selectable low-pass filter
    • SPI interface
    • Extended temperature range -40 °C to +105 °C
    • ECOPACK compliant

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CAD/EDA Symbols, Footprints and Models

Quality and Reliability

Part Number Marketing Status Package RoHS Compliance Grade Material Declaration**
AIS1120SXTR
Active
SO-8 Ecopack2

AIS1120SXTR

Package:

SO-8

Material Declaration**:

PDF XML

Marketing Status

Active

Package

SO-8

RoHS Compliance Grade

Ecopack2

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

Sample & Buy

Part Number
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ECCN (US)
ECCN (EU)
Packing Type
Package
Temperature (°C) Country of Origin
Budgetary Price (US$)*/Qty
min
max
AIS1120SXTR Available at 3 distributors

Distributor availability ofAIS1120SXTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 115 1 Order Now
MOUSER WORLDWIDE 1808 1 Order Now
Farnell Element14 EUROPE 2391 1 Order Now

Distributor reported inventory date: 2020-09-24

Distributor Name

DIGIKEY

Stock

115

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

1808

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2391

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-09-24

Buy now
Active
EAR99 NEC Tape And Reel SO-8 -40 105 PHILIPPINES

AIS1120SXTR

Marketing Status

Active

ECCN (US)

EAR99

Budgetary Price (US$)*/Qty

Distributor availability ofAIS1120SXTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 115 1 Order Now
MOUSER WORLDWIDE 1808 1 Order Now
Farnell Element14 EUROPE 2391 1 Order Now

Distributor reported inventory date: 2020-09-24

Distributor Name

DIGIKEY

Stock

115

Min.Order

1

Region

WORLDWIDE Order Now

MOUSER

Stock

1808

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2391

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2020-09-24

ECCN (EU)

NEC

Packing Type

Tape And Reel

Package

SO-8

Operating Temperature (°C)

(min)

-40

(max)

105

Budgetary Price (US$)* / Qty

Country of Origin

PHILIPPINES

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors