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Interface ICs

Interface ICs

Easy to use, flexible, and reliable. Allegro’s sensor interface ICs offer accurate and fast output for signal conditioning in a wide range of applications, from electric vehicle HVAC systems to transmission oil pressure.  Our innovative algorithms deliver robust EMC performance and provide critical diagnosticsthat support automotive safety.

Built on decades of innovation, these flexible ICs offer programmability to help you tackle some of the key challenges in designing sensor interfaces, like shortening test cycles. 

Sensor Interface ICs

Allegro interface ICs for speed and pressure sensors deliver fast and accurate output ideal for various automotive and industrial applications. With integrated signal conditioning algorithms, Allegro interface ICs offer system simplification and advanced diagnostics for safety-critical systems.

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Sensor Interface ICs

Allegro interface ICs for speed and pressure sensors deliver fast and accurate output ideal for various automotive and industrial applications. With integrated signal conditioning algorithms, Allegro interface ICs offer system simplification and advanced diagnostics for safety-critical systems.

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Documentation & Resources

Application Note

Using SENT Communication Output Protocol with A17700 Pressure Interface Sensor

AN296244 - This paper provides an overview of the general format of a SENT message and explains how the Allegro A17700 pressure interface sensor can be configured to use SENT to communicate pressure, temperature, and other useful application specific information.

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Application Note

Calibration of A17700 Pressure Sensor Interface

AN296197 - This application note aims at providing a complete example of calibration using A17700 Pressure Sensor Interface.

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Brochure

Brochure: A17700 Accuracy Under Pressure

As the demand for energy-efficient systems continues to rise, so does the need for pressure regulation in liquid and gas carrier systems. Allegro’s A17700 is a highly accurate interface IC that incorporates a top-of-the-line signal conditioning algorithm designed for resistive bridge pressure ...

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Application Note

Guide and Usage of Resistive Bridges for Pressure Measurement with A17700

AN296202 - This application note explains the science behind the strain gauge used for pressure sensing, most common strain gauges on the market, sensing solutions presented by different strain gauge configurations, and A17700 input specifications.

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