act4458 Datasheet - Analogdevices
The ACT4458 is an integrated circuit designed for use in MIL-STD-1553 applications, providing key features such as dual transceivers, transformers, and bus...
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📝 Component Overview
The ACT4458 is an integrated circuit designed for use in MIL-STD-1553 applications, providing key features such as dual transceivers, transformers, and bus controllers. It is manufactured by Aeroflex, a company known for its high-reliability components used in aerospace, defense, and other critical systems. The ACT4458 is designed to meet the stringent requirements of military and aerospace applications, including high temperature ranges and resistance to radiation. Its dual transceiver design allows for full-duplex communication over a single bus, making it an efficient solution for systems where space and weight are critical. The component is also designed with built-in test features, enabling easier system diagnostics and maintenance.
Key Features and Benefits
- Dual Transceivers for Full-Duplex Communication
- Integrated Transformers for Signal Isolation
- Bus Controllers for Managing Data Transmission
- High Temperature Range for Extreme Environments
- Radiation Hardened for Space and Military Applications
- Built-in Test Features for System Diagnostics
- Compliance with MIL-STD-1553 for Reliability and Interoperability
Typical Applications
- MIL-STD-1553 Data Bus Systems
- Aerospace and Defense Electronics
- High-Reliability Industrial Control Systems
- Space Exploration and Satellite Communications
- Military Avionics and Navigation Systems
- Critical Infrastructure Control and Monitoring
📊 Complete Technical Specifications
Absolute Maximum Ratings
| Parameter | Value |
|---|---|
| Storage Temperature | -65°C to 150°C |
| Junction Temperature | 150°C |
| Power Dissipation | 500 mW |
Electrical Characteristics
| Parameter | Condition | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| Input Voltage | At 25°C | 4.5V | 5V | 5.5V | V |
| Output Current | Per Channel | 10mA | 20mA | 30mA | mA |
Package Information
- Ceramic Package: Hermetically sealed for high reliability
- Plastic Package: Lower cost option for less demanding applications
Pin Configuration
- Pin 1: VCC - Positive Power Supply
- Pin 2: GND - Ground
🔧 Application Guidelines
Design Considerations
When designing with the ACT4458, consider the high-reliability requirements of the application, including the operating temperature range, radiation hardness, and power supply stability. The component's dual transceiver design and integrated transformers simplify the system design but require careful consideration of signal isolation and bus control.
Installation Guidelines
The ACT4458 should be handled and installed in accordance with standard practices for static-sensitive devices. The component's package type and pinout should be carefully matched to the system's PCB design to ensure reliable operation and minimize the risk of damage during installation.
Operational Notes
Operational notes for the ACT4458 include ensuring that the component is operated within its specified temperature and voltage ranges. Additionally, the built-in test features should be utilized during system diagnostics to verify the component's functionality and identify any potential issues.