Interface ICs
Allegro’s interface sensor ICs for speed and pressure sensors deliver fast and accurate output ideal for today’s demanding, space-constrained automotive and industrial applications. Our interface products provide precision measurement with diagnostics and market-leading robust EMC performance for safety-critical systems.
We’re ready to help you simplify your system, with products that support both analog output for legacy applications or digital outputs such as PWM and SENT for new applications requirements. And, our resistive bridge pressure interface sensors allow a single IC to service the full breadth of your application requirements, enabling reduced external components.
Product Selection Guide
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.
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 sensors.
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.
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.