The HI-8585PSI is an ARINC 429 line receiver integrated circuit manufactured by Holt Integrated Circuits Inc. It's designed to receive and decode data transmitted according to the ARINC 429 standard, a widely used data bus specification for avionics equipment.

Applications:

• Avionics Systems: Used in aircraft communication and navigation systems.
• Flight Control Systems: Interfaces with various flight control components to receive critical data.
• Inertial Navigation Systems: Receives data from inertial sensors for accurate positioning.
• Data Acquisition Systems: Acquires ARINC 429 data for analysis and monitoring.
• Simulation and Testing Equipment: Used to simulate and test ARINC 429 communication protocols.

Features:

• ARINC 429 Compliant: Fully compliant with the ARINC 429 specification.
• Integrated Receiver: Includes all necessary circuitry for receiving ARINC 429 signals.
• Digital Filtering: Incorporates digital filtering to improve noise immunity.
• Programmable Thresholds: Allows for adjustment of input thresholds to optimize performance.
• Single 5V Power Supply: Operates from a single 5V power supply for simplified integration.

Benefits:

• Reliable Data Reception: Ensures accurate and reliable reception of ARINC 429 data.
• Enhanced Noise Immunity: Reduces the impact of noise and interference on data integrity.
• Simplified System Design: Simplifies the design of ARINC 429 interfaces.
• Reduced Component Count: Integrates multiple functions into a single chip, reducing board space.
• Improved System Performance: Enhances overall system performance by providing reliable data communication.

Additional Details:

The HI-8585PSI includes features such as built-in hysteresis to prevent unwanted switching due to noise. Its digital filtering capabilities help to reject common-mode noise and improve the signal-to-noise ratio. The device typically supports both high-speed and low-speed ARINC 429 data rates. The HI-8585PSI's robust design and comprehensive feature set make it a reliable choice for demanding avionics applications. The device is typically available in a surface-mount package for easy integration into modern electronic assemblies. Its low power consumption and high performance make it a suitable solution for both new designs and upgrades to existing ARINC 429 systems. The Holt HI-8585PSI is a key component for ensuring reliable and efficient communication in critical avionics environments.