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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
Featured Videos
This video on the SensorTile.box Pro Mode shows you how to use this IoT and wearable sensor development kit to create customized wireless applications using an STM32Cube function pack. Use-case on a Human Activity Recognition algorithm included.
Watch this short tutorial on the Expert mode of the SensorTile.box to learn how to use a graphical wizard to build programs without having to write any code.
The first video in the SensorTile.box series of short tutorials will guide you through the pre-recorded examples in the device firmware to help you use IoT and wearable sensor applications.
All tools & software
All resources
Product Specifications (1)
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Design Notes & Tips (5)
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Flyers (2)
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White Papers (1)
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EDA Symbols, Footprints and 3D Models
STMicroelectronics - AIS1120SX
Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.
Symbols
Footprints
3D models
Quality and Reliability
| Part Number | Marketing Status | Package | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|
| AIS1120SXTR |
NRND
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SO-8 | 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 | Order from Distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| AIS1120SXTR | 3 distributors | Buy Direct |
NRND
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EAR99 | NEC | Tape And Reel | SO-8 | -40 | 105 | 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
